# 4fitplan vs HY AI

The clearest difference is ads: HY AI at none against 4fitplan's shown. HY AI also leads on update cadence (every 5 days vs every 6 months). 4fitplan's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

4fitplan ships an update every 6 months, HY AI every 5 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 4fitplan | HY AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 26 MB | 110 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Goodlife Investments LLC](https://appshunter.io/developer/1839777008) | [LIVELINESS SPORTS S.L](https://appshunter.io/developer/1674497503) |

## What reviewers say

### 4fitplan

[App page](https://appshunter.io/ios/app/4fitplan/id6752990929)

**Features:** macOS Compatibility

**In-app purchases:** none


### HY AI

[App page](https://appshunter.io/ios/app/hy-ai-hyrox-training-log/id6785933297)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 4fitplan free?

4fitplan is free to download, with no in-app purchases.

### Is HY AI free?

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

### Do 4fitplan or HY AI have ads?

4fitplan shows ads; HY AI does not.

### Which is updated more often, 4fitplan or HY AI?

4fitplan ships an update every 6 months, and HY AI every 5 days. Most recently, 4fitplan was updated on October 10, 2026 and HY AI on October 24, 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.*