# sTrain vs AbsLab

The clearest difference is ads: sTrain at none against AbsLab's shown. sTrain also leads on iOS requirement (15.0 vs 17.0). AbsLab's advantage is update cadence (every 2 weeks vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. sTrain sells 2 one-off in-app purchases and AbsLab sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

sTrain ships an update monthly, AbsLab every 2 weeks. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | sTrain | AbsLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 39 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Anthony Eli Rasch](https://appshunter.io/developer/1785588945) | [Mohamed ZAABOULI](https://appshunter.io/developer/1850147665) |

## What reviewers say

### 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 |


### AbsLab

[App page](https://appshunter.io/ios/app/abslab-30-day-abs-challenge/id6799518840)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is sTrain free?

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

### Is AbsLab free?

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

### Do sTrain or AbsLab have ads?

AbsLab shows ads; sTrain does not.

### Which is updated more often, sTrain or AbsLab?

sTrain ships an update monthly, and AbsLab every 2 weeks. Most recently, sTrain was updated on November 8, 2026 and AbsLab on November 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.*