# Solitaire Aviary vs Sum

The clearest difference is in-app purchases: Solitaire Aviary at none against Sum's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sum sells 1 one-off in-app purchase. Solitaire Aviary asks for nothing beyond the download.

Solitaire Aviary ships an update every 3 weeks, Sum every 11 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solitaire Aviary | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (132 ratings)](https://appshunter.io/ios/app/solitaire-aviary/id6758939059/reviews)** | — |
| Number of ratings | **132** | — |
| Positive reviews | 3.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free | — |
| Size | 188 MB | 11 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [浪 彭](https://appshunter.io/developer/1855779702) | [Yuttana Suttasupa](https://appshunter.io/developer/1273947543) |

## What reviewers say

### Solitaire Aviary

[App page](https://appshunter.io/ios/app/solitaire-aviary/id6758939059)

Experience a unique FreeCell solitaire game with a charming owl theme. Progress through challenging levels, collect beautiful owl illustrations, and enjoy a relaxing, nature-inspired atmosphere with intuitive controls.

**Highlights:** Classic FreeCell solitaire gameplay, Unique avian theme with owls, Hundreds of challenging levels, Unlockable owl card collection, Calming nature visuals and audio, Intuitive mobile controls

**In-app purchases:** none


### Sum

[App page](https://appshunter.io/ios/app/sum-thing-math-link-puzzle/id6809030003)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Solitaire Aviary free?

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

### Is Sum free?

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

### Do Solitaire Aviary or Sum have ads?

Both Solitaire Aviary and Sum show ads.

### Which is updated more often, Solitaire Aviary or Sum?

Solitaire Aviary ships an update every 3 weeks, and Sum every 11 days. Most recently, Solitaire Aviary was updated on October 31, 2026 and Sum on October 24, 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.*