# Magnetometer... vs ZapLock

The clearest difference is ads: ZapLock at none against Magnetometer...'s shown. Magnetometer...'s advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Magnetometer... sells 2 in-app purchases, starting at $1.99 per month and ZapLock sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Magnetometer... | ZapLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 days |
| Size | 97 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [DaSecure Solutions LLC](https://appshunter.io/developer/1367132705) |

## What reviewers say

### Magnetometer...

[App page](https://appshunter.io/ios/app/magnetometer/id6808420517)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| magnetometer_by_oliva_subscription | $1.99 | per month |
| magnetometer_by_oliva_donation | $1.99 | one-time |


### ZapLock

[App page](https://appshunter.io/ios/app/zaplock/id6808469062)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal (monthly) | $4.99 | per month |
| Personal (founder) | $29.99 | per year |
| Personal (yearly) | $49.99 | per year |


## Frequently asked questions

### Is Magnetometer... free?

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

### Is ZapLock free?

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

### Do Magnetometer... or ZapLock have ads?

Magnetometer... shows ads; ZapLock does not.

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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.*