# Letter Quest vs Universe Fly

The clearest difference is ads: Letter Quest at none against Universe Fly's shown. Letter Quest also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (11.0 vs 15.0). On price, 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.

Letter Quest ships an update every 2 weeks, Universe Fly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Letter Quest | Universe Fly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/letter-quest/id1639244273/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 92 MB | 71 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Floyd Ross](https://appshunter.io/developer/1602980654) | [SHIH-CHEN FAN](https://appshunter.io/developer/1563674002) |

## What reviewers say

### Letter Quest

[App page](https://appshunter.io/ios/app/letter-quest/id1639244273)

This timed puzzle game merges letter tiles to spell words, offering both educational fun for children and mental agility challenges for adults. Compete with friends and global players on leaderboards.

**Highlights:** Merge letter tiles, Spell words, Timed challenges, Zen Mode for learning, Global leaderboards, GameCenter integration

**In-app purchases:** none


### Universe Fly

[App page](https://appshunter.io/ios/app/universe-fly/id6470925331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letter Quest free?

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

### Is Universe Fly free?

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

### Do Letter Quest or Universe Fly have ads?

Universe Fly shows ads; Letter Quest does not.

### Which is updated more often, Letter Quest or Universe Fly?

Letter Quest ships an update every 2 weeks, and Universe Fly every 2 months. Most recently, Letter Quest was updated on October 24, 2026 and Universe Fly on October 25, 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.*