Sleep Tracker vs Caldero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleep Tracker
This app provides a daily sleep score and assigns a sleep animal based on your night's rest. It offers plain-language explanations of your sleep data, including stages, recovery, and trends, all processed on your device for privacy.
- Daily sleep score (0-100)
- Sleep animal assignment
- Plain-language sleep analysis
- Sleep stage tracking
- Recovery and sleep debt monitoring
- Sleep Shield for app blocking (Pro)
- Apple Watch integration
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Lunomia gives every night one number, then matches your night to one of 20+ sleep animals. Bear, owl, or cat? Your Lunomia Score reads the sleep your Apple Watch already tracks and explains it in plain language. No jargon, no guilt, no charts you need a degree to read. THE LUNOMIA SCORE • One number from 0 to 100 for every night, worked out on your device • Built from five parts: schedule, duration, restfulness, recovery, and deep and REM sleep • Measured against your own recent nights, not a stranger's average • Tell Lunomia what you want to improve and your score leans toward it • Open any night to see what moved the number, part by part WHAT ELSE YOU GET • Your Sleep Animal: your score picks a tier, the shape of your night picks the animal • Sleep Recap: a plain-language summary of last night, next to your recent sleep • Sleep Shield: block distracting apps during your sleep schedule (Pro) • Sleep Stages: deep, core, REM and awake time, night by night • Sleep Cycles: watch your night move through each cycle, hour by hour • Trends: sleep quality, consistency, sleep debt and bedtime drift, in one place • Body Signals: heart rate, breathing, blood oxygen and wrist temperature • Recovery: see whether last night actually paid off your sleep debt • Sleep Time: set bedtime and wake-up in one calm, visual flow • Naps: found on their own and counted toward your day • Smart Reminders: nudges that adapt to when you actually sleep • Widgets: last night's sleep on your Home Screen • Apple Watch: a full sleep analyzer on your wrist WHAT YOU NEED • An Apple Watch worn to bed gives the most detail • iPhone sleep tracking and other Health-compatible devices work too • Lunomia reads from Apple Health, no separate account, no setup PRIVACY • Your sleep data stays on your device by default • Your Lunomia Score is worked out entirely on your device • Sleep Recap can run fully on-device with Apple Intelligence • Lunomia AI is optional, asks permission first, and is the only feature that sends anything to a server, anonymously • No ads. Your sleep data is never sold BUILT FOR EVERYONE • Full VoiceOver support • Dynamic Type throughout • Available in 19 languages Sleep smarter. Wake up energized. Discover your inner animal with Lunomia. Privacy Policy: https://lunomia.app/privacy-terms.html#privacy Terms of Service: https://lunomia.app/privacy-terms.html#terms
Caldero
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Snap. Track. Transform. Caldero is an AI-powered calorie tracker that lets you log meals with a photo. No manual typing. No barcode searching. Just snap your food and get instant calories and macro breakdown. Whether you want to lose weight, maintain, or build muscle, Caldero adapts to your goal automatically. - Track Calories From a Photo Take a picture of your meal and Caldero analyzes it instantly: • Calories • Protein • Carbs • Fat • Portion estimates Fast. Accurate. Effortless. - Built Around Your Goals Choose your goal: • Lose weight • Maintain • Build muscle Get personalized calorie targets and weekly guidance. - Real Progress Tracking • Macro rings • Weekly deficit tracking • Streaks & consistency • Historical nutrition analysis Your data is stored and analyzed to help you improve over time. - Your AI Nutrition Coach Receive smart daily insights like: Protein is low today. Add 35g. More than a calorie counter — your AI nutrition assistant. - Private by Design Your meals stay yours. No public feeds. No social pressure. Upgrade to Caldero Pro for full AI access and advanced insights. Start today. Caldero Pro offers auto-renewable subscriptions. Available subscriptions: • Weekly plan • Monthly plan • Yearly plan Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in your Apple ID account settings. Privacy Policy: https://devinspect.com/caldero/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Sleep Tracker at 3 against Caldero's 1. Caldero's advantage is iOS requirement (16.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sleep Tracker sells 6 in-app purchases, starting at $2.99 per 7 days and Caldero sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Sleep Tracker | Caldero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (14 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 26.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 135 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Sina Rabiei | Devinspect LLC |
In-app purchases
Sleep Tracker
- Pro Weekly$2.997 Days
- Pro Monthly$9.901 Month
- Pro Yearly14 Days trial$39.991 Year
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- Pro Yearly1 Year trial$39.991 Year
- Pro Lifetime$74.99
- Pro Lifetime$149.99
Caldero
- Caldero Pro Weekly$2.997 Days
- Caldero Pro Monthly$5.991 Month
- Caldero Pro Yearly3 Days trial$27.991 Year









