# Merge! Letters vs Upside Down x2

The clearest difference is iOS requirement: Upside Down x2 at 13.0 against Merge! Letters's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Merge! Letters sells 1 one-off in-app purchase and Upside Down x2 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Merge! Letters | Upside Down x2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | — |
| Monetization | Ad-supported | — |
| Size | 168 MB | 168 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hot Yeti Studio OU](https://appshunter.io/developer/1643923250) | [Bugra Kakluk](https://appshunter.io/developer/1777584946) |

## What reviewers say

### Merge! Letters

[App page](https://appshunter.io/ios/app/merge-letters/id1661535033)

Engage your mind with a daily puzzle game that challenges your alphabet knowledge. Merge letters strategically to achieve specific target letters and test your vocabulary.

**Highlights:** Daily brain exercise, Merge letters to reach targets, Alphabet knowledge testing, Puzzle gameplay

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### Upside Down x2

[App page](https://appshunter.io/ios/app/upside-down-x2/id6737719510)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Gems | $0.99 | one-time |
| 3000 Gems | $2.99 | one-time |
| Starter Pack | $2.99 | one-time |
| 5250 Gems | $4.99 | one-time |
| Remove Ads | $6.99 | one-time |
| 11000 Gems | $9.99 | one-time |
| 28750 Gems | $19.99 | one-time |
| 60000 Gems | $39.99 | one-time |


## Frequently asked questions

### Is Merge! Letters free?

Merge! Letters is free to download, with in-app purchases available.

### Is Upside Down x2 free?

Upside Down x2 is free to download, with in-app purchases available.

### Do Merge! Letters or Upside Down x2 have ads?

Both Merge! Letters and Upside Down x2 show ads.

---

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