# BlueTwo vs OnlyStamps

The clearest difference is update cadence: OnlyStamps at weekly against BlueTwo's every 24 months. BlueTwo's advantage is iOS requirement (8.1 vs 12.0). 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.

BlueTwo ships an update every 24 months, OnlyStamps weekly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BlueTwo | OnlyStamps |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Weekly** |
| Size | 6 MB | 96 MB |
| Requires iOS | **8.1** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wilhelm Koch GmbH](https://appshunter.io/developer/531301051) | [Oliver Buehrer](https://appshunter.io/developer/1641518134) |

## What reviewers say

### BlueTwo

[App page](https://appshunter.io/ios/app/bluetwo/id1055260947)

**Features:** macOS Compatibility

**In-app purchases:** none


### OnlyStamps

[App page](https://appshunter.io/ios/app/onlystamps/id6471367712)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BlueTwo free?

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

### Is OnlyStamps free?

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

### Do BlueTwo or OnlyStamps have ads?

Neither BlueTwo nor OnlyStamps shows ads.

### Which is updated more often, BlueTwo or OnlyStamps?

BlueTwo ships an update every 24 months, and OnlyStamps weekly. Most recently, BlueTwo was updated on October 15, 2026 and OnlyStamps on October 10, 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.*