# myGyroscope vs ztm

The clearest difference is price: ztm at Free against myGyroscope's $1.99. ztm also leads on update cadence (every 6 weeks vs every 40 months). myGyroscope's advantage is iOS requirement (13.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

ztm is free to download; myGyroscope costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

myGyroscope ships an update every 40 months, ztm every 6 weeks. The most recent releases landed on August 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | myGyroscope | ztm |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 6 weeks** |
| Size | 5 MB | 38 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [flomesh](https://appshunter.io/developer/1759823965) |

## What reviewers say

### myGyroscope

[App page](https://appshunter.io/ios/app/mygyroscope/id680697728)

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

**In-app purchases:** none


### ztm

[App page](https://appshunter.io/ios/app/ztm/id6584517193)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is myGyroscope free?

myGyroscope costs $1.99, with no in-app purchases.

### Is ztm free?

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

### Do myGyroscope or ztm have ads?

Neither myGyroscope nor ztm shows ads.

### Which is updated more often, myGyroscope or ztm?

myGyroscope ships an update every 40 months, and ztm every 6 weeks. Most recently, myGyroscope was updated on August 31, 2026 and ztm on September 9, 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.*