# ArchFix vs Trener Nikola

ArchFix and Trener Nikola 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 6 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ArchFix | Trener Nikola |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 60 MB | 124 MB |
| Requires iOS | **15.3** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ArchFix D.O.O](https://appshunter.io/developer/1765419440) | [Protocol Fitness Technologies](https://appshunter.io/developer/1864372862) |

## What reviewers say

### ArchFix

[App page](https://appshunter.io/ios/app/archfix/id6743368281)

**In-app purchases:** none


### Trener Nikola

[App page](https://appshunter.io/ios/app/trener-nikola/id6762852816)

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

**In-app purchases:** none


## Frequently asked questions

### Is ArchFix free?

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

### Is Trener Nikola free?

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

### Do ArchFix or Trener Nikola have ads?

Neither ArchFix nor Trener Nikola shows ads.

### Which is updated more often, ArchFix or Trener Nikola?

ArchFix ships an update every 6 weeks, and Trener Nikola every 6 weeks. Most recently, ArchFix was updated on October 16, 2026 and Trener Nikola on October 6, 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.*