# Fitness Challenge Tracker vs Sterk.

The clearest difference is price: Sterk. at Free against Fitness Challenge Tracker's $0.99. Fitness Challenge Tracker's advantage is review sentiment (100% vs 80%) and rating (4.9 vs 4.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Sterk. is free to download; Fitness Challenge Tracker costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fitness Challenge Tracker holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews point the same way: 100% of Fitness Challenge Tracker's written reviews are positive against 80% of Sterk.'s.

Fitness Challenge Tracker ships an update every 6 weeks, Sterk. every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Fitness Challenge Tracker | Sterk. |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/fitness-challenge-tracker/id1481461808/reviews)** | [4.6 (5 ratings)](https://appshunter.io/ios/app/sterk/id6739846652/reviews) |
| Number of ratings | **8** | 5 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 76 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [UX First](https://appshunter.io/developer/1481461807) | [Thomas Theodor Corne Rooskens](https://appshunter.io/developer/1787284126) |

## What reviewers say

### Fitness Challenge Tracker

[App page](https://appshunter.io/ios/app/fitness-challenge-tracker/id1481461808)

Monitor your progress towards monthly Apple Watch Fitness challenges and earn collectible badges. This app integrates with Apple Health to provide daily insights and track your efforts, designed for simplicity and privacy.

**Highlights:** Monitor monthly Fitness challenges, Earn collectible badges, Integrates with Apple Health, Provides daily progress insights, Simple, privacy-focused design, Minimal Health data permissions

**In-app purchases:** none


### Sterk.

[App page](https://appshunter.io/ios/app/sterk/id6739846652)

Effortlessly log your exercise sets with intelligent predictions and review comprehensive statistics for each movement and training session. This streamlined application is designed to help you achieve your fitness objectives.

**Highlights:** Smart set prediction, Detailed exercise stats, Workout logging, Intuitive interface, Fitness goal tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fitness Challenge Tracker free?

Fitness Challenge Tracker costs $0.99, with no in-app purchases.

### Is Sterk. free?

Sterk. is free to download, with no in-app purchases.

### Which has better reviews, Fitness Challenge Tracker or Sterk.?

Fitness Challenge Tracker is rated higher. Fitness Challenge Tracker averages 4.9 out of 5 from 8 ratings, while Sterk. averages 4.6 from 5 ratings.

### Do Fitness Challenge Tracker or Sterk. have ads?

Neither Fitness Challenge Tracker nor Sterk. shows ads.

### Which is updated more often, Fitness Challenge Tracker or Sterk.?

Fitness Challenge Tracker ships an update every 6 weeks, and Sterk. every 3 weeks. Most recently, Fitness Challenge Tracker was updated on November 3, 2026 and Sterk. on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*