# FitTwin vs ChallengeCircle

FitTwin and ChallengeCircle are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. FitTwin sells 2 in-app purchases, starting at $4.99 per month and ChallengeCircle sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FitTwin ships an update every 8 days, ChallengeCircle fortnightly. The most recent releases landed on July 24, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | FitTwin | ChallengeCircle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fittwin/id6754467187/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 57 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Roko Peros](https://appshunter.io/developer/1848423210) | [AGBO Ventures LTD](https://appshunter.io/developer/1362276420) |

## What reviewers say

### FitTwin

[App page](https://appshunter.io/ios/app/fittwin/id6754467187)

This app pairs you with a fitness partner or virtual companion to help you stay motivated and achieve your health goals. Engage in various challenges, track your progress, and earn rewards through gamified features and community support.

**Highlights:** Twin matching with compatible partners, Variety of challenge lengths and types, Seamless tracking with Apple Health integration, In-app chat and motivational boosts, Gamification with streaks, badges, and leaderboards, Crew features for community support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $49.99 | per year |


### ChallengeCircle

[App page](https://appshunter.io/ios/app/challengecircle/id6757082724)

**Features:** Apple Wallet

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Monthly Premium | $24.99 | per year |
| Premium | $59.99 | one-time |


## Frequently asked questions

### Is FitTwin free?

FitTwin is free to download, with in-app purchases available.

### Is ChallengeCircle free?

ChallengeCircle is free to download, with in-app purchases available.

### Do FitTwin or ChallengeCircle have ads?

Neither FitTwin nor ChallengeCircle shows ads.

### Which is updated more often, FitTwin or ChallengeCircle?

FitTwin ships an update every 8 days, and ChallengeCircle fortnightly. Most recently, FitTwin was updated on July 24, 2026 and ChallengeCircle on September 20, 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.*