# Prometrics vs OpenAgents Mobile

The clearest difference is iOS requirement: OpenAgents Mobile at 15.0 against Prometrics's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prometrics ships an update fortnightly, OpenAgents Mobile every 3 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Prometrics | OpenAgents Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 44 MB | 34 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Steven Stuart](https://appshunter.io/developer/1464507689) | [ZHONGYUAN ZHU](https://appshunter.io/developer/1794669095) |

## What reviewers say

### Prometrics

[App page](https://appshunter.io/ios/app/prometrics/id1464507690)

**In-app purchases:** none


### OpenAgents Mobile

[App page](https://appshunter.io/ios/app/openagents-mobile/id6805705527)

**In-app purchases:** none


## Frequently asked questions

### Is Prometrics free?

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

### Is OpenAgents Mobile free?

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

### Do Prometrics or OpenAgents Mobile have ads?

Neither Prometrics nor OpenAgents Mobile shows ads.

### Which is updated more often, Prometrics or OpenAgents Mobile?

Prometrics ships an update fortnightly, and OpenAgents Mobile every 3 weeks. Most recently, Prometrics was updated on October 29, 2026 and OpenAgents Mobile on October 29, 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.*