# KTP vs RainbowSky

The clearest difference is update cadence: RainbowSky at every 2 weeks against KTP's every 5 months. RainbowSky also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.4). On price, 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.

KTP ships an update every 5 months, RainbowSky every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KTP | RainbowSky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Size | 68 MB | 292 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NEIGHBOURHOOD ADVICE-ACTION COUNCIL, THE](https://appshunter.io/developer/1690734680) | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) |

## What reviewers say

### KTP

[App page](https://appshunter.io/ios/app/ktp-naac/id6449813613)

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

**In-app purchases:** none


### RainbowSky

[App page](https://appshunter.io/ios/app/rainbowsky/id6771268020)

**In-app purchases:** none


## Frequently asked questions

### Is KTP free?

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

### Is RainbowSky free?

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

### Do KTP or RainbowSky have ads?

Neither KTP nor RainbowSky shows ads.

### Which is updated more often, KTP or RainbowSky?

KTP ships an update every 5 months, and RainbowSky every 2 weeks. Most recently, KTP was updated on November 3, 2026 and RainbowSky on October 31, 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.*