# AiFitrix vs LetAI

AiFitrix and LetAI 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. Neither carries in-app purchases, so what you see is what you pay.

AiFitrix ships an update every 6 days, LetAI weekly. The most recent releases landed on September 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AiFitrix | LetAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Size | 4 MB | 71 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Artem Kopaleyshvili](https://appshunter.io/developer/1245182374) | [LETAI L.L.C-FZ](https://appshunter.io/developer/6787684401) |

## What reviewers say

### AiFitrix

[App page](https://appshunter.io/ios/app/aifitrix/id6683312043)

**Features:** Vision Pro support

**In-app purchases:** none


### LetAI

[App page](https://appshunter.io/ios/app/letai/id6787684399)

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

**In-app purchases:** none


## Frequently asked questions

### Is AiFitrix free?

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

### Is LetAI free?

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

### Do AiFitrix or LetAI have ads?

Neither AiFitrix nor LetAI shows ads.

### Which is updated more often, AiFitrix or LetAI?

AiFitrix ships an update every 6 days, and LetAI weekly. Most recently, AiFitrix was updated on September 23, 2026 and LetAI on September 30, 2026.

---

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