# UN1T Training vs Stayf

UN1T Training and Stayf 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UN1T Training | Stayf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 75 MB | 123 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Pico Fitness Holdings Ltd](https://appshunter.io/developer/1532075897) | [STAYF LTD](https://appshunter.io/developer/1703027959) |

## What reviewers say

### UN1T Training

[App page](https://appshunter.io/ios/app/un1t-training/id1571083836)

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

**In-app purchases:** none


### Stayf

[App page](https://appshunter.io/ios/app/stayf/id6462422271)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UN1T Training free?

UN1T Training is free to download, with no in-app purchases.

### Is Stayf free?

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

### Do UN1T Training or Stayf have ads?

Neither UN1T Training nor Stayf shows ads.

### Which is updated more often, UN1T Training or Stayf?

UN1T Training ships an update every 2 months, and Stayf every 2 months. Most recently, UN1T Training was updated on November 7, 2026 and Stayf on October 30, 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.*