Comparison

Fatigue & Rest Tracker vs Orrin

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Fatigue & Rest Tracker

Features
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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 0–10 scale - Mental Fatigue: Track mental stress on a 0–10 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

About

Orrin

Features
Read 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

Fatigue & Rest Tracker4 screens
Orrin4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences Β· 4 level
Fatigue & Rest Tracker versus Orrin: the parameters behind the verdict, then further details
ParameterFatigue & Rest TrackerOrrin
PriceFreeFree
Update frequencyEvery 5 monthsEvery 2 months β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.1 β€” better26.0
Further details β€” not scored
Size69 MB30 MB
Age rating4+4+
DeveloperRyota SasazawaEmre Dogrubakar

In-app purchases

2 purchases

Fatigue & Rest Tracker

Subscriptions2
  • Premium (1Month)$0.991 Month
  • Premium (1Year)$3.991 Year
4 purchases

Orrin

Subscriptions4
  • Solo Monthly7 Days trial$3.991 Month
  • Family Monthly7 Days trial$7.991 Month
  • Solo Yearly7 Days trial$29.991 Year
Show 1 more
  • Family Yearly7 Days trial$59.991 Year

Questions

Is Fatigue & Rest Tracker free?
Fatigue & Rest Tracker is free to download, with in-app purchases available.
Is Orrin free?
Orrin is free to download, with in-app purchases available.
Do Fatigue & Rest Tracker or Orrin have ads?
Neither Fatigue & Rest Tracker nor Orrin shows ads.
Which is updated more often, Fatigue & Rest Tracker or Orrin?
Fatigue & Rest Tracker ships an update every 5 months, and Orrin every 2 months. Most recently, Fatigue & Rest Tracker was updated on November 8, 2026 and Orrin on November 9, 2026.

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