# 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). sTrain's advantage is update cadence (monthly vs every 3 months). On price, 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 monthly. Both last shipped on November 8, 2026.

## The numbers

| Metric | IVM Trainer | sTrain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 23 MB | 39 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-workout-tracker/id6752215175)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo 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 monthly. Most recently, IVM Trainer was updated on November 8, 2026 and sTrain on November 8, 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.*