# FitTwin vs AetherSet

FitTwin and AetherSet 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 AetherSet sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

FitTwin ships an update every 2 weeks, AetherSet every 3 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | FitTwin | AetherSet |
| --- | --- | --- |
| 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 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 136 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Roko Peros](https://appshunter.io/developer/1848423210) | [Sulaiman Alghurair](https://appshunter.io/developer/1851964928) |

## 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 |


### AetherSet

[App page](https://appshunter.io/ios/app/aetherset-ai-workout-tracker/id6784915791)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AetherSet Pro Monthly | $9.99 | per month |
| AetherSet Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is FitTwin free?

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

### Is AetherSet free?

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

### Do FitTwin or AetherSet have ads?

Neither FitTwin nor AetherSet shows ads.

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

FitTwin ships an update every 2 weeks, and AetherSet every 3 weeks. Most recently, FitTwin was updated on October 24, 2026 and AetherSet on October 22, 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.*