# 3PLE CENTRUM vs Fitliner

The clearest difference is update cadence: Fitliner at monthly against 3PLE CENTRUM's every 16 months. 3PLE CENTRUM's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

3PLE CENTRUM ships an update every 16 months, Fitliner monthly. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 3PLE CENTRUM | Fitliner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Size | 26 MB | 36 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [INSPIRE CZ](https://appshunter.io/developer/582633229) | [Peter Budzak](https://appshunter.io/developer/1886538048) |

## What reviewers say

### 3PLE CENTRUM

[App page](https://appshunter.io/ios/app/3ple-centrum/id1488887584)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fitliner

[App page](https://appshunter.io/ios/app/fitliner/id6760855966)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3PLE CENTRUM free?

3PLE CENTRUM is free to download, with no in-app purchases.

### Is Fitliner free?

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

### Do 3PLE CENTRUM or Fitliner have ads?

Neither 3PLE CENTRUM nor Fitliner shows ads.

### Which is updated more often, 3PLE CENTRUM or Fitliner?

3PLE CENTRUM ships an update every 16 months, and Fitliner monthly. Most recently, 3PLE CENTRUM was updated on October 9, 2026 and Fitliner on October 5, 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.*