# IVM Trainer vs sTrain

The clearest difference is in-app purchases: IVM Trainer at none against sTrain's 2. IVM Trainer also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. sTrain sells 2 one-off in-app purchases. IVM Trainer asks for nothing beyond the download.

IVM Trainer ships an update every 3 months, sTrain every 2 months. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | IVM Trainer | sTrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 23 MB | 41 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Champier Lda.](https://appshunter.io/developer/942300054) | [Anthony Eli Rasch](https://appshunter.io/developer/1785588945) |

## What reviewers say

### IVM Trainer

[App page](https://appshunter.io/ios/app/ivm-trainer/id6499343317)

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

**In-app purchases:** none


### sTrain

[App page](https://appshunter.io/ios/app/strain-gym-workout-tracker/id6752215175)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sTrain Pro - EarlyBird | $3.99 | one-time |
| sTrain Pro - Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is IVM Trainer free?

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

### Is sTrain free?

sTrain is free to download, with in-app purchases available.

### Do IVM Trainer or sTrain have ads?

Neither IVM Trainer nor sTrain shows ads.

### Which is updated more often, IVM Trainer or sTrain?

IVM Trainer ships an update every 3 months, and sTrain every 2 months. Most recently, IVM Trainer was updated on October 7, 2026 and sTrain on October 28, 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.*