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Frequently Asked Questions
Last updated: 9 October 2026
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Getting started
What does CaloRings track?
CaloRings records food and drink nutrition, including energy, protein, carbohydrates, fat, total sugar and sodium. Water intake has a separate log and goal. You can save foods and meals for later, review trends and add widgets.
Do I need an account or an internet connection?
You do not need a CaloRings account. Manual logging, your saved library and the bundled common-food library work offline. Packaged-food searches, barcode lookups, purchases, purchase restoration and iCloud sync need connectivity. Apple Watch can queue water entries while disconnected from its paired iPhone.
Can I use it on iPhone, iPad and Apple Watch?
Yes. The current release supports iPhone and iPad with iOS/iPadOS 18 or later, and Apple Watch with watchOS 11 or later. Check the App Store listing for device requirements. The Watch companion syncs with its paired iPhone; it does not pair directly with an iPad.
Foods and nutrition
Why are some common foods missing? Is this the whole USDA database?
The common-food library is a curated offline selection based on USDA data, not the entire USDA database. Try a related name, create your own food from its label, or use packaged-food search for branded products. Availability differs across databases, brands and countries.
Where do barcode and packaged-food results come from?
They come from Open Food Facts, a community-maintained database. Some products may be absent, outdated or incomplete. Check results against the package before saving, especially serving sizes and whether values are per serving or per 100 g/ml. A failed lookup does not mean a barcode is invalid; you can enter the food manually.
Does scanning a label upload my photo? Can I photograph a meal to get its calories?
Nutrition-label recognition runs on your device. On supported devices, Apple's on-device model can help interpret the text. The app does not upload label images to an AI service. Review the extracted values before saving. This feature reads printed nutrition labels; it does not estimate the contents of a meal from its appearance.
Why does changing a food not change an old log?
A food log keeps a snapshot of the nutrition values used when you recorded it. Editing the library food updates future use without silently changing your history. Edit the relevant log if you need to correct an earlier record.
What is the difference between kcal and kJ?
They are different energy units: 1 kcal equals 4.184 kJ. Change the energy-unit preference to use your preferred display. This changes the displayed units, not the amount you ate.
What do personalized goals mean?
They are optional starting estimates based on the details you enter. You can review, adjust and save them, or set targets manually without completing a profile. Automatic estimates support ages 19–78 and do not apply during pregnancy or breastfeeding. They do not replace individualized professional advice. Clearing personal details does not erase targets already saved.
Why doesn't applying estimates set my sugar target?
The app logs total sugar. The estimate preview separately shows a reference for free sugar, which is a different measure. Applying estimates leaves your total-sugar target unchanged so that the two are not confused. Set that target manually if you want to use it. A slider's maximum is not a recommended intake.
Do blank days count as zero in trend averages?
Food-log averages use days with records. A day with no food logs is not assumed to be a day when you consumed nothing. Incomplete logging can therefore affect how representative an average is.
Water and widgets
Does logging a drink also add water automatically?
No. Food/drink nutrition entries and water-intake entries are separate. Record water and other fluids in the water log when you want them included in your fluid total. Moisture in food is not automatically counted.
How do I adjust water amounts precisely?
On iPhone and iPad, drag the ruler normally for 50 ml increments. Press and hold briefly before dragging for 10 ml increments. The ruler moves smoothly and snaps when released. A fine value such as 270 ml stays available to record; the next normal drag aligns to the nearest 50 ml step. On Apple Watch, use the Digital Crown and the fine-adjustment switch.
Where do my water presets appear?
Choose up to three quick presets in the water-preset settings. They appear on Today and compatible water widgets, and sync to the paired Watch. Save your changes to update them. Widget and Watch refresh can take time because the system manages updates.
Can a widget record water without opening the app?
Yes. The medium Home Screen water widget has up to three preset buttons that record the displayed amount directly. Its plus button opens the water-entry screen. The small Home Screen widget also provides an entry shortcut. Tapping a Lock Screen water widget opens water logging. Apple Watch Smart Stack quick-water buttons can also record a preset without opening the Watch app.
Which water widgets are free?
The small Home Screen water widget and Control Center water controls are free. The medium Home Screen water widget and Lock Screen water widgets require Pro. The current Apple Watch features, including complications, do not add a Pro requirement.
Why hasn't a widget or complication refreshed yet?
The app requests refreshes when relevant records or settings change, but Apple controls when they run. Open CaloRings to check the latest saved value and allow time for synchronization. Also check that the widget is showing the expected date and device data. A widget is not a guarantee of live, second-by-second updates.
Sync, Apple Health and Apple Watch
How do I sync iPhone and iPad?
Sign in to the same iCloud account on both devices, enable CaloRings iCloud sync on each and relaunch the app for the setting to take effect. Allow time with connectivity and sufficient iCloud storage. Seeing that iCloud is available does not mean all records have already transferred. Turning sync off does not erase existing data.
Does Apple Health sync all my data, including water?
No. With permission, CaloRings writes dietary energy, protein, carbohydrates, fat, total sugar and sodium from food logs. It does not read Apple Health data. The current release does not write water intake to Health. Existing food logs may also be written when you enable the integration.
Why are Health entries still there after I turn integration off?
Turning it off stops future writes; it does not erase existing Health samples. Manage those in Apple Health. Deleting a food log can remove its associated Health samples when permission and synchronization allow. Other apps' Health entries are separate.
What can I do on Apple Watch?
View today's nutrition rings, nutrient totals and water progress, record a preset or custom water amount, and review or undo recent entries made on that Watch. Add nutrition or water complications to a compatible watch face, or quick-water controls to the Smart Stack. Food recording and full food-library editing remain on iPhone or iPad.
Can I record water when my iPhone isn't nearby?
Yes. The Watch saves entries locally and queues them for delivery to its paired iPhone. The phone total may update later. The recent list shows pending entries and a limited history from that Watch, rather than your entire diary. Give the devices time to reconnect and open both apps if an entry remains pending. Avoid recording the same amount again on the phone solely because it has not appeared yet.
Will Watch entries appear on my iPad?
They first go to the paired iPhone. If you enable iCloud sync on the iPhone and iPad, the entries can then sync to iPad. This is not a direct Watch-to-iPad connection.
Why didn't a scheduled food entry or reminder appear exactly on time?
The system controls background execution and notification delivery. Automatic food logging follows your configured schedule and can catch up when the app runs; it does not detect actual eating. Review entries and adjust them if your plans changed. Check notification permission, Focus settings and the schedule when troubleshooting reminders.
Pro, exports and privacy
Is CaloRings Pro a subscription?
No. It is a one-time purchase with no scheduled expiry or recurring renewal fee. Pro includes the additional features shown on the purchase screen, such as more widgets, nutrient trends, exports, custom colours and automatic food logging. The actual price is shown by the App Store in your currency before purchase.
How do I restore Pro on another device?
Use the Apple Account that made the purchase for Media & Purchases, open the Pro page and choose Restore Purchases. This account may differ from the one used for iCloud. Restoring Pro restores the entitlement, not your diary; data sync is a separate setting. If restoration fails, check connectivity and the Apple purchase history, then contact support. Never send your Apple Account password.
Where can I see purchase details or request a refund?
After Pro is unlocked, the Pro page shows purchase details when supplied by Apple. A historical price or date may be unavailable; the current selling price is not proof of what you originally paid. Check Apple's receipt for billing information. For refunds, use reportaproblem.apple.com or Apple's refund instructions. Statutory consumer rights still apply.
What can I export? Can I restore the app from an export?
Pro can export food-log entries or daily nutrition totals for a selected date range as CSV, JSON or PDF. CSV works with spreadsheets; JSON provides structured records; PDF is useful for reading and sharing. These exports do not include your water log, full food library, photos or personal goal profile, and are not a complete app backup. The current release does not provide a full restore-from-export feature.
Does CaloRings collect my diary or show ads?
There are no ads or third-party analytics SDKs. Your diary is stored on your devices, with optional private iCloud sync. Packaged-food searches and barcode lookups send the query to Open Food Facts. Information you choose to email to support is received by us. See the Privacy Policy for all data flows and controls.
How can I remove my data?
Edit or delete supported records in the app and clear personal details in goal settings, then save. Some deleted-entry and synchronization records remain to keep devices consistent. Removing local app data does not automatically remove iCloud copies, Health samples, exports or backups. Review those locations separately and contact support if you need help. There is no CaloRings account to delete, and privacy enquiries do not require Pro.
How do I get help?
Email [email protected] with “CaloRings” in the subject, your app version, device model, system version and a short description of what happened. Screenshots can help, but hide private information first. Do not send passwords, payment-card details or a full health diary unless a limited excerpt is necessary to explain the issue.
开始使用
CaloRings 可以记录什么?
CaloRings 可以记录食物和饮品的能量、蛋白质、碳水化合物、脂肪、总糖和钠。饮水量有独立的记录和目标。你也可以保存常用食物和餐食、查看趋势,以及添加小组件。
需要注册账户或一直联网吗?
无需注册 CaloRings 账户。手动记录、已保存食物库和内置常用食物库可以离线使用。包装食品搜索、条形码查询、购买、恢复购买及 iCloud 同步需要网络。Apple Watch 与配对 iPhone 断开连接时,也可以先保存饮水记录等待同步。
可以在 iPhone、iPad 和 Apple Watch 上使用吗?
可以。当前版本支持 iOS/iPadOS 18 及以上的 iPhone 和 iPad,以及 watchOS 11 及以上的 Apple Watch。具体设备要求请查看 App Store 页面。Watch 配套 App 与配对的 iPhone 同步,不能直接与 iPad 配对。
食物与营养
为什么常用食物里缺少一些食物?这里是全部 USDA 数据吗?
常用食物库是基于 USDA 数据整理的离线精选集,不是整个 USDA 数据库。可以尝试相关名称、按包装标签自行创建食物,或者在包装食品搜索中查找品牌商品。不同数据库、品牌和国家的覆盖程度不同。
条形码和包装食品搜索的数据来自哪里?
来自社区维护的 Open Food Facts。部分商品可能尚未收录、已经过时或资料不完整。保存前请对照实际包装检查,尤其留意份量,以及数值按每份还是每 100 克/毫升计算。查不到不一定代表条形码有误,你仍可手动输入食物。
扫描营养标签会上传照片吗?能拍一张饭菜照片计算热量吗?
营养标签识别在设备上完成。在受支持的设备上,Apple 的设备端模型可以辅助理解文字,App 不会把标签图片上传到 AI 服务。请在保存前检查识别结果。这项功能读取印刷的营养标签,不会根据饭菜外观估算其成分和热量。
修改食物后,为什么以前的记录没有一起改变?
每条饮食记录会保留记录当时的营养数值快照。修改食物库会影响今后使用,不会悄悄改写历史。要纠正旧记录,请修改对应的饮食条目。
kcal 和 kJ 有什么区别?
它们是不同的能量单位,1 kcal 等于 4.184 kJ。你可以在能量单位设置中切换显示。切换只改变显示单位,不会改变实际记录的摄入量。
个性化目标应该怎么理解?
它是根据你输入的资料提供的可选初始估算。你可以查看、调整再保存,也可以不填写个人资料,直接手动设置目标。自动估算支持 19–78 岁,不适用于怀孕或哺乳期间,不能替代个体化专业建议。清除个人资料不会删除已经保存的目标。
为什么应用估算没有设置糖目标?
App 记录的是总糖,估算预览另行显示的是游离糖参考值,两者不是同一个指标。为避免混用,应用估算会保留你原来的总糖目标。如果希望使用总糖目标,请手动设置。滑块的最大值并不是建议摄入量。
趋势平均值会把没有记录的日期算成零吗?
饮食记录平均值按有记录的日期计算。没有饮食记录的某天,不会被当成完全没有摄入的一天。因此,记录不完整也会影响平均值的代表性。
饮水与小组件
记录饮品营养时,会自动增加饮水量吗?
不会。食物或饮品的营养记录与饮水量分开管理。如果希望把水或其他饮品计入液体摄入量,请另外记录饮水。食物中的水分不会自动计入。
怎样精确调整饮水量?
在 iPhone 和 iPad 上,普通拖动尺规按 50 ml 调整;短暂长按后再拖动,可按 10 ml 精细调整。尺规滑动时连续移动,松手后吸附到刻度。270 ml 等精细数值会保留,可直接记录;下一次普通拖动时再对齐到最近的 50 ml 刻度。在 Apple Watch 上使用数码表冠和精细调整开关。
饮水预设会出现在哪里?
在饮水预设设置中最多选择三个快捷预设,它们会显示在今天页和支持的饮水小组件上,并同步到配对的手表。修改后请保存。小组件和手表的更新由系统调度,可能需要等待。
小组件能不打开 App 直接记录饮水吗?
可以。中号主屏幕饮水小组件中,最多三个预设按钮可直接记录所显示的量,加号按钮则打开饮水记录页。小号主屏幕组件也提供进入记录页的快捷入口。点击锁屏饮水组件会打开饮水记录页。Apple Watch 智能叠放中的快捷饮水按钮也可不打开手表 App 直接记录预设量。
哪些饮水小组件免费?
小号主屏幕饮水组件和控制中心饮水控件免费。中号主屏幕饮水组件及锁屏饮水组件需要 Pro。当前 Apple Watch 功能(包括表盘复杂功能)没有额外的 Pro 限制。
为什么小组件或表盘数据还没刷新?
记录或设置变化时,App 会请求刷新,但具体时间由 Apple 系统决定。你可以打开 CaloRings 查看最新保存的数值,并等待同步,同时确认组件显示的是预期日期和设备数据。小组件不保证逐秒实时更新。
同步、Apple 健康与 Apple Watch
怎样在 iPhone 和 iPad 之间同步?
在两台设备登录同一 iCloud 账户,分别开启 CaloRings 的 iCloud 同步,然后重新启动 App 使设置生效。请保持网络可用、iCloud 空间充足,并给同步留出时间。显示 iCloud 可用,不代表全部记录已经传输完成。关闭同步不会清除已有数据。
Apple 健康会同步所有数据,包括饮水吗?
不会。授权后,CaloRings 将饮食记录中的膳食能量、蛋白质、碳水化合物、脂肪、总糖和钠写入 Apple 健康,但不会读取健康数据。当前版本不会将饮水量写入健康。开启集成后,已有饮食记录也可能被写入。
关闭健康集成后,为什么健康 App 中的记录还在?
关闭功能会停止后续写入,不会清除已有健康数据。你可以在 Apple 健康中管理这些记录。在权限和同步条件允许时,删除饮食条目可移除对应的健康数据;其他 App 写入的记录是独立的。
Apple Watch 上可以做什么?
查看今天的营养三环、营养素总量和饮水进度,记录预设或自定义饮水量,并查看或撤销近期通过这块手表创建的记录。你可以给兼容的表盘添加营养或饮水复杂功能,或在智能叠放中添加快捷饮水控件。食物记录和完整食物库编辑仍在 iPhone 或 iPad 上进行。
iPhone 不在身边时,手表可以记录饮水吗?
可以。手表会先保存在本地,等待传给配对的 iPhone,因此手机总量可能稍后才更新。手表近期列表显示待同步记录和这块手表的有限历史,而不是整份日记。如果记录长时间等待同步,可在设备重新连接后打开两端 App 并等待。不要仅因为手机暂时未显示,就把同一份饮水再记一次。
手表记录会同步到 iPad 吗?
先传到配对的 iPhone。如果 iPhone 和 iPad 都开启了 iCloud 同步,记录之后可以同步到 iPad。这不是手表与 iPad 的直接连接。
为什么自动饮食记录或提醒没有准时出现?
系统控制后台运行和通知送达。自动记录依据你设置的计划,在 App 获得运行机会时可以补记,但不会检测你是否真的进食。如果实际安排变化,请检查并修改记录。排查提醒时,也可以检查通知权限、专注模式和计划设置。
Pro、导出与隐私
CaloRings Pro 是订阅吗?
不是。Pro 是一次性购买,没有预定到期日或周期性续费。它包含购买页标明的额外功能,例如更多小组件、营养素趋势、导出、自定义颜色和自动记录饮食。实际价格会在购买前由 App Store 按你的币种显示。
换设备后怎样恢复 Pro?
使用原购买的 Apple 账户登录“媒体与购买项目”,进入 Pro 页面并选择“恢复购买”。这个账户可能与 iCloud 账户不同。恢复购买只恢复 Pro 权益,日记同步需要单独设置。如果失败,请检查网络和 Apple 购买记录,再联系支持。不要发送 Apple 账户密码。
在哪里查看购买详情或申请退款?
解锁 Pro 后,Pro 页面会显示 Apple 提供的购买详情。部分历史价格或日期可能不可用,当前售价也不代表你当时实际支付的金额。账单信息请查看 Apple 收据。申请退款可前往 reportaproblem.apple.com或查看 Apple 退款说明。消费者法定权利仍然适用。
可以导出什么?能用导出文件恢复整个 App 吗?
Pro 可将所选日期范围内的饮食条目或每日营养汇总导出为 CSV、JSON 或 PDF。CSV 适合电子表格,JSON 提供结构化记录,PDF 方便阅读和分享。这些导出不包含饮水记录、完整食物库、照片或个人目标资料,不是完整 App 备份。当前版本没有通过导出文件完整还原 App 的功能。
CaloRings 会收集我的日记或显示广告吗?
App 没有广告或第三方统计 SDK。日记存储在你的设备上,并可选择私有 iCloud 同步。包装食品搜索和条形码查询会向 Open Food Facts 发送查询内容。你主动通过邮件发送给支持团队的信息会由我们接收。全部数据流向和控制方式请参阅隐私政策。
怎样移除我的数据?
在 App 中修改或删除支持的记录,并在目标设置中清除个人资料后保存。部分已删除条目和同步记录会为保持设备一致而保留。移除本地 App 数据不会自动移除 iCloud 副本、健康数据、导出或备份。请分别检查这些位置,需要时可以联系支持。CaloRings 没有需要注销的账户,隐私咨询也不需要 Pro。
怎样联系支持?
请发送邮件至 [email protected],主题中注明“CaloRings”,并提供 App 版本、设备型号、系统版本及简短的问题说明。截图有助于排查,但请先遮住隐私信息。不要发送密码、银行卡资料;除非解释问题确实需要少量相关内容,也不要发送完整的健康日记。