# Aera vs ftns.ai

The clearest difference is iOS requirement: ftns.ai at 17.0 against Aera's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Aera sells 3 in-app purchases, starting at $9.99 per month and ftns.ai sells 4 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Aera ships an update every 4 days, ftns.ai every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Aera | ftns.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ftnsai/id6808072041/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 111 MB | 40 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Gergo Varga](https://appshunter.io/developer/1894205274) | [Caleb Weinberger](https://appshunter.io/developer/1624964269) |

## What reviewers say

### Aera

[App page](https://appshunter.io/ios/app/aera-sleep-and-running-tracker/id6762456252)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aera Premium Monthly | $9.99 | per month |
| Annual | $29.99 | per year |
| Aera Premium Lifetime | $99.99 | one-time |


### ftns.ai

[App page](https://appshunter.io/ios/app/ftnsai/id6808072041)

This app creates a personalized 3D avatar to visualize your fitness progress. It offers AI-powered coaching for workouts and nutrition, tracks runs with GPS, and helps build healthy daily habits. Gamified elements like XP and challenges encourage consistency.

**Highlights:** Personalized 3D avatar visualization, AI-powered workout and nutrition coaching, GPS run tracking and analysis, Voice-logged meals and habit tracking, Gamified progress with XP and challenges, Apple Health integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FTNS Monthly | $14.99 | per month |
| FTNS Yearly | $167.99 | per year |
| 1,200 Gems | $3.99 | one-time |
| 3,000 Gems | $7.99 | one-time |


## Frequently asked questions

### Is Aera free?

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

### Is ftns.ai free?

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

### Do Aera or ftns.ai have ads?

Neither Aera nor ftns.ai shows ads.

### Which is updated more often, Aera or ftns.ai?

Aera ships an update every 4 days, and ftns.ai every 3 days. Most recently, Aera was updated on October 25, 2026 and ftns.ai on October 31, 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.*