# Double vs Rainbow Bank

The clearest difference is iOS requirement: Rainbow Bank at 12.0 against Double's 15.1. 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.

Double ships an update every 2 weeks, Rainbow Bank every 9 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Double | Rainbow Bank |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 93 MB | 67 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Double Cobranças](https://appshunter.io/developer/1677546527) | [2M INSTITUICAO DE PAGAMENTOS SA](https://appshunter.io/developer/1731149355) |

## What reviewers say

### Double

[App page](https://appshunter.io/ios/app/double/id6446363615)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Rainbow Bank

[App page](https://appshunter.io/ios/app/rainbow-bank/id6478141399)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Double free?

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

### Is Rainbow Bank free?

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

### Do Double or Rainbow Bank have ads?

Neither Double nor Rainbow Bank shows ads.

### Which is updated more often, Double or Rainbow Bank?

Double ships an update every 2 weeks, and Rainbow Bank every 9 days. Most recently, Double was updated on October 2, 2026 and Rainbow Bank on October 7, 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.*