# m/z vs Meta

The clearest difference is in-app purchases: m/z at none against Meta's 2. m/z also leads on iOS requirement (6.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Meta sells 2 in-app purchases, starting at $9.99 per month. m/z asks for nothing beyond the download.

m/z ships an update every 5 weeks, Meta every 2 months. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | m/z | Meta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/mz/id1117272212/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 3.6 GB | 80 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Renasnce Studios Ltd](https://appshunter.io/developer/1590291709) |

## What reviewers say

### m/z

[App page](https://appshunter.io/ios/app/mz/id1117272212)

Instantly search a vast database of chemical structures based on their exact mass. This tool helps identify compounds with masses under 340 Da, drawing from millions of entries.

**Highlights:** Find chemical structures by exact mass, Search database of known structures, Database includes over 35 million compounds, Supports masses under 340 Da, Utilizes PubChem compounds database

**Features:** macOS Compatibility

**In-app purchases:** none


### Meta

[App page](https://appshunter.io/ios/app/meta-experiment-manager/id6443647707)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Meta Month | $9.99 | per month |
| Meta Year | $99.99 | per year |


## Frequently asked questions

### Is m/z free?

m/z is free to download, with no in-app purchases.

### Is Meta free?

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

### Do m/z or Meta have ads?

Neither m/z nor Meta shows ads.

### Which is updated more often, m/z or Meta?

m/z ships an update every 5 weeks, and Meta every 2 months. Most recently, m/z was updated on October 11, 2026 and Meta on October 3, 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.*