# RotorReady vs Simple Letter Quest

The clearest difference is in-app purchases: RotorReady at none against Simple Letter Quest's 2. RotorReady also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Simple Letter Quest sells 2 one-off in-app purchases. RotorReady asks for nothing beyond the download.

RotorReady ships an update every 2 days, Simple Letter Quest every 8 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | RotorReady | Simple Letter Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Size | 115 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Øyvind Myhre](https://appshunter.io/developer/1880392504) | [Bratislav Ljubisic](https://appshunter.io/developer/570434691) |

## What reviewers say

### RotorReady

[App page](https://appshunter.io/ios/app/rotorready/id6766040743)

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

**In-app purchases:** none


### Simple Letter Quest

[App page](https://appshunter.io/ios/app/simple-letter-quest/id6808929476)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Serbian Cyrillic Alphabet | $0.99 | one-time |
| Extended Latin Pack | $2.99 | one-time |


## Frequently asked questions

### Is RotorReady free?

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

### Is Simple Letter Quest free?

Simple Letter Quest is free to download, with in-app purchases available.

### Do RotorReady or Simple Letter Quest have ads?

Neither RotorReady nor Simple Letter Quest shows ads.

### Which is updated more often, RotorReady or Simple Letter Quest?

RotorReady ships an update every 2 days, and Simple Letter Quest every 8 days. Most recently, RotorReady was updated on October 31, 2026 and Simple Letter Quest on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*