# GainMatrix vs Zerxus

GainMatrix and Zerxus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. GainMatrix sells 4 in-app purchases, starting at $2.99 per month and Zerxus sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

GainMatrix ships an update weekly, Zerxus every 9 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | GainMatrix | Zerxus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 64 MB | 4 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ulas Uzunyayla](https://appshunter.io/developer/1858691953) | [Strategypeeps inc](https://appshunter.io/developer/6784692742) |

## What reviewers say

### GainMatrix

[App page](https://appshunter.io/ios/app/gainmatrix-ai-workout-tracker/id6756138508)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GainMatrix Pro | $2.99 | per month |
| GainMatrix Pro | $4.99 | per month |
| GainMatrix Pro | $17.99 | per year |
| GainMatrix Pro | $24.99 | per year |


### Zerxus

[App page](https://appshunter.io/ios/app/zerxus-ai-strength-coach/id6784692740)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zerxus AI | $8.99 | per month |
| Zerxus AI + Coach | $24.99 | per month |
| Zerxus AI | $89.99 | per year |
| Zerxus AI + Coach | $199.99 | per year |


## Frequently asked questions

### Is GainMatrix free?

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

### Is Zerxus free?

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

### Do GainMatrix or Zerxus have ads?

Neither GainMatrix nor Zerxus shows ads.

### Which is updated more often, GainMatrix or Zerxus?

GainMatrix ships an update weekly, and Zerxus every 9 days. Most recently, GainMatrix was updated on November 5, 2026 and Zerxus on November 13, 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.*