Comparison

ExerNation vs Exerchain

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

Head to head
About

ExerNation

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ExerNation: exercise platform for achieving your running workout goals on Apple Watch: - Supports both outdoor and indoor running - Configure your own voice for audio feedback - Precision mode allows you to recalibrate distance at a mile marker in a race - Dynamically adjusts your target pace as needed to achieve your goal time * Free version is distance-limited. Purchase subscription to upgrade distance. Warning: Continued use of GPS running in the background can dramatically decrease battery life. Terms of Use:  https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: http://www.fastbri.com/privacy/exernation

About

Exerchain

This health app uses AI to forecast your weight 1, 3, and 6 months into the future. It automatically logs activity, sleep, and body composition from supported devices, and allows manual meal entry for accurate predictions. Gain insights and personalized routines based on your unique data.

Highlights
  • AI-powered weight prediction (1, 3, 6 months)
  • Automatic activity, sleep, and body composition logging
  • Manual meal entry for accurate forecasting
  • AI insights and personalized routines
  • Syncs with ExerRing, ExerScale, and popular smartwatches
Features
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EXERCHAIN is a health app that predicts your future weight — 1, 3, and 6 months ahead — based on your real-life data. It automatically logs your activity, sleep, and body composition with supported devices, while meals can be entered manually for accurate forecasting. Get daily predictions, AI insights, and soon, personalized routines powered by your own data. [Key Features] - AI-Powered Weight Prediction (1, 3, 6 months) - TDEE-Based Forecasting Engine - Integrated logging of activity, sleep, and diet (auto + manual) - Actionable AI Insight Comments - Sync with ExerRing & ExerScale - Also compatible with Apple Watch, Fitbit, Galaxy Watch - Personalized routine & AI health reports (coming soon) [Device Overview] ExerRing: 24/7 tracking of heart rate, activity, sleep, and recovery ExerScale: Precise measurement of over 45 body composition metrics ※ You must use at least one device (ExerRing or ExerScale) to activate the app features EXERCHAIN is more than just a tracker. It builds a behavior-changing loop: Prediction → Insight → Action → Transformation YOUR DATA, YOUR MOVE. — * Access Information * [Required] - HealthKit access - Heart rate to monitor and generate accurate workout information - Resting heart rate to provide accurate workout statistics - Motion & Fitness - Monitor user's movements - To provide more accurate steps data - Statistics on walking based on steps data [Optional] - Location: Location based service provided - Notification: Push messages from ExerChain(warning: alert, badges may be included) - Camera: for profile images and to record workouts - Photos, media, files: for profile images and to record workouts

Screenshots

ExerNation1 screens
Exerchain4 screens

Verdict

The call

The clearest difference is in-app purchases: Exerchain at none against ExerNation's 2. ExerNation's advantage is update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ExerNation sells 2 in-app purchases, starting at $9.99 per month. Exerchain asks for nothing beyond the download.

UpkeepUpdate frequency

ExerNation ships an update every 2 weeks, Exerchain monthly. The most recent releases landed on September 13, 2026 and July 26, 2026 respectively.

Scorecard2 real differences · 8 level
ExerNation versus Exerchain: the parameters behind the verdict, then further details
ParameterExerNationExerchain
PriceFreeFree
Rating—2.7 (12 ratings) — better
Positive reviews—27.3% of reviews
Number of ratings—12 — better
Update frequencyEvery 2 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS17.016.2 — better
Further details — not scored
Size1 MB73 MB
Age rating4+4+
DeveloperFastBriExerchain

In-app purchases

2 purchases

ExerNation

Subscriptions1
  • Unlimited Length Workouts!$9.991 Month
One-time1
  • Unlimited Length (One-Time)$99.99
None

Exerchain

No in-app purchases

Questions

Is ExerNation free?
ExerNation is free to download, with in-app purchases available.
Is Exerchain free?
Exerchain is free to download, with no in-app purchases.
Do ExerNation or Exerchain have ads?
Neither ExerNation nor Exerchain shows ads.
Which is updated more often, ExerNation or Exerchain?
ExerNation ships an update every 2 weeks, and Exerchain monthly. Most recently, ExerNation was updated on September 13, 2026 and Exerchain on July 26, 2026.

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