Fatigue & Rest Tracker vs Orrin
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fatigue & Rest Tracker
Read full descriptionHide full description
calmo is a simple app that helps you track and visualize your physical and mental fatigue. Do you push through exhaustion thinking "I'm fine"? calmo gently reveals your fatigue patterns and helps you notice when it's time to rest. # Key Features ## Track Fatigue on Two Axes - Physical Fatigue: Record body tiredness on a 0β10 scale - Mental Fatigue: Track mental stress on a 0β10 scale ## Visualize Changes Over Time - Display your daily records in clear graphs - Identify fatigue patterns to find the right time to rest ## Gentle Insights - Analyze trends from your recorded data - Receive personalized rest suggestions ## Rest Support - Timer for managing break time - Guided breathing exercises ## Kind Reminders - Optional reminders at your preferred time - Build a sustainable recording habit at your own pace # Who is calmo for? - People who push through fatigue without realizing it - Anyone wanting to track fatigue objectively - Those seeking to identify the right time to rest Terms of service: https://sasamuku.notion.site/calmo-2834cd7f5d36800ca568feb7aed4e355 Privacy policy: https://sasamuku.notion.site/calmo-2834cd7f5d36800a9e16d02e9ea2d34a
Orrin
Read full descriptionHide full description
Orrin helps individuals and families build a calmer, more consistent brushing routine. Follow guided two-minute brushing sessions, set daily reminders, record brushing completed outside the app, and understand progress through streaks and history. Parents can create profiles for the household and see family progress in one place. Features: β’ Guided two-minute brushing timer β’ Daily reminders that adapt when goals are completed β’ Manual brushing records β’ Streaks, achievements, and brushing history β’ Solo plan for one profile β’ Family plan for up to five profiles β’ Family dashboard for parent visibility β’ Apple Watch, widgets, and Live Activities β’ iCloud sync across devices β’ No ads or behavioral tracking Orrin requires an active subscription after onboarding. Eligible new subscribers can begin with a 7-day free trial. Choose Solo for one profile or Family for up to five profiles and Apple Family Sharing. Available plans and prices are shown before purchase and may vary by region. Orrin is designed for habit building and general wellness. It does not provide medical or dental diagnosis, treatment, or professional advice. Privacy Policy: https://www.notion.so/Orrin-Privacy-Policy-36656be73a2b8099b30afbb18a6b42ba Terms of Use: https://www.notion.so/Orrin-Terms-of-Use-36656be73a2b800fa0bff1328c3ea157
Screenshots
Verdict
The clearest difference is update cadence: Orrin at every 2 months against Fatigue & Rest Tracker's every 5 months. Fatigue & Rest Tracker's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Fatigue & Rest Tracker sells 2 in-app purchases, starting at $0.99 per month and Orrin sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Fatigue & Rest Tracker ships an update every 5 months, Orrin every 2 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.
| Parameter | Fatigue & Rest Tracker | Orrin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 β better | 26.0 |
| Further details β not scored | ||
| Size | 69 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryota Sasazawa | Emre Dogrubakar |
In-app purchases
Fatigue & Rest Tracker
- Premium (1Month)$0.991 Month
- Premium (1Year)$3.991 Year
Orrin
- Solo Monthly7 Days trial$3.991 Month
- Family Monthly7 Days trial$7.991 Month
- Solo Yearly7 Days trial$29.991 Year
Show 1 moreShow fewer
- Family Yearly7 Days trial$59.991 Year
Questions
Is Fatigue & Rest Tracker free?
Is Orrin free?
Do Fatigue & Rest Tracker or Orrin have ads?
Which is updated more often, Fatigue & Rest Tracker or Orrin?
Other comparisons















