# ClassFlex vs Lifter Trainer

The clearest difference is ads: Lifter Trainer at none against ClassFlex's shown. On price, update cadence, 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.

ClassFlex ships an update every 2 weeks, Lifter Trainer every 3 weeks. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ClassFlex | Lifter Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 52 MB | 18 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ClassFlex 3-101-938358 S.A.](https://appshunter.io/developer/1824289802) | [Kevin Pena](https://appshunter.io/developer/1722155601) |

## What reviewers say

### ClassFlex

[App page](https://appshunter.io/ios/app/classflex/id6748094476)

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

**In-app purchases:** none


### Lifter Trainer

[App page](https://appshunter.io/ios/app/lifter-trainer/id6752795352)

**In-app purchases:** none


## Frequently asked questions

### Is ClassFlex free?

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

### Is Lifter Trainer free?

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

### Do ClassFlex or Lifter Trainer have ads?

ClassFlex shows ads; Lifter Trainer does not.

### Which is updated more often, ClassFlex or Lifter Trainer?

ClassFlex ships an update every 2 weeks, and Lifter Trainer every 3 weeks. Most recently, ClassFlex was updated on September 17, 2026 and Lifter Trainer on September 10, 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.*