# IOmeter vs obALu

The clearest difference is update cadence: IOmeter at monthly against obALu's every 15 months. obALu's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

IOmeter ships an update monthly, obALu every 15 months. The most recent releases landed on September 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | IOmeter | obALu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 15 months |
| Size | 41 MB | 3 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IOmeter GmbH](https://appshunter.io/developer/1644126993) | [pironex GmbH](https://appshunter.io/developer/1003725747) |

## What reviewers say

### IOmeter

[App page](https://appshunter.io/ios/app/iometer/id1644126991)

**In-app purchases:** none


### obALu

[App page](https://appshunter.io/ios/app/obalu-key/id6475351491)

**In-app purchases:** none


## Frequently asked questions

### Is IOmeter free?

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

### Is obALu free?

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

### Do IOmeter or obALu have ads?

Neither IOmeter nor obALu shows ads.

### Which is updated more often, IOmeter or obALu?

IOmeter ships an update monthly, and obALu every 15 months. Most recently, IOmeter was updated on September 27, 2026 and obALu on October 12, 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.*