# ITR vs OneBlue

The clearest difference is update cadence: ITR at monthly against OneBlue's every 10 months. OneBlue's advantage is iOS requirement (9.0 vs 17.0). 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.

ITR ships an update monthly, OneBlue every 10 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ITR | OneBlue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Size | 8 MB | 8 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [International Thermal Research Ltd.](https://appshunter.io/developer/1496252759) | [TEAM SRL](https://appshunter.io/developer/1487062790) |

## What reviewers say

### ITR

[App page](https://appshunter.io/ios/app/itr-neos/id1489761851)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneBlue

[App page](https://appshunter.io/ios/app/oneblue/id1489950613)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ITR free?

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

### Is OneBlue free?

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

### Do ITR or OneBlue have ads?

Neither ITR nor OneBlue shows ads.

### Which is updated more often, ITR or OneBlue?

ITR ships an update monthly, and OneBlue every 10 months. Most recently, ITR was updated on October 26, 2026 and OneBlue on November 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.*