# Pair Flip vs Solvara

The clearest difference is in-app purchases: Pair Flip at none against Solvara's 1. Pair Flip also leads on iOS requirement (15.0 vs 17.0). Solvara's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Solvara sells 1 one-off in-app purchase. Pair Flip asks for nothing beyond the download.

## The numbers

| Metric | Pair Flip | Solvara |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 12 MB | 34 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Tran Anh Tuan](https://appshunter.io/developer/1512733016) | [Lauterstar Technologies, Inc](https://appshunter.io/developer/6794436202) |

## What reviewers say

### Pair Flip

[App page](https://appshunter.io/ios/app/pair-flip/id1546841240)

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

**In-app purchases:** none


### Solvara

[App page](https://appshunter.io/ios/app/solvara-math-crossword/id6798930932)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solvara Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Pair Flip free?

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

### Is Solvara free?

Solvara is free to download, with in-app purchases available.

### Do Pair Flip or Solvara have ads?

Pair Flip shows ads; Solvara does not.

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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.*