# Polysphere vs Zero Sum

The clearest difference is review sentiment: Zero Sum at 100% against Polysphere's 48%. Zero Sum also leads on update cadence (every 3 days vs every 3 weeks). Polysphere's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Polysphere sells 10 in-app purchases, starting at $7.99 per 7 days and Zero Sum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Polysphere ships an update every 3 weeks, Zero Sum every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Polysphere | Zero Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (607K ratings)](https://appshunter.io/ios/app/polysphere-art-puzzle-3d/id1440756080/reviews)** | — |
| Number of ratings | **607K** | — |
| Positive reviews | 47.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 293 MB | 23 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [AI Games FZ](https://appshunter.io/developer/1478916023) | [Mathew DeLong](https://appshunter.io/developer/455985926) |

## What reviewers say

### Polysphere

[App page](https://appshunter.io/ios/app/polysphere-art-puzzle-3d/id1440756080)

Restore scattered picture pieces by rotating them until they form a complete low-poly image. Assemble a variety of colorful pictures, from animals to fruits, in this relaxing art and puzzle game.

**Highlights:** Rotate picture pieces, Assemble low-poly images, Variety of pictures (animals, fruits), Unique mechanics, Bright and colorful visuals, Combines art and puzzle genres

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $7.99 | per 7 days |
| Monthly Premium | $19.99 | per month |
| Butterflies 10 Arts Pack SALE | $0.99 | one-time |
| Cats Artworks Pack SALE | $0.99 | one-time |
| Unicorns Artworks Pack SALE | $0.99 | one-time |
| Flowers Artworks Pack | $1.99 | one-time |
| Aquarium Artworks Pack | $1.99 | one-time |
| Monsters Artworks Pack | $1.99 | one-time |
| People Artworks Pack | $1.99 | one-time |
| No Subscription Full Access | $29.99 | one-time |

**What reviewers like**

- 🎨 Colorful and vibrant visuals
- 🧠 Challenging brain puzzles
- 🕰 Relaxing and calming gameplay
- 👍 Satisfying when puzzles are solved

**What reviewers complain about**

- 💸 Excessive ads and paywalls
- 🔒 Locked content behind subscription
- 🤔 Puzzles sometimes solve themselves
- 🐛 Technical issues with level progression

**Reported bugs**

- Levels not registering as completed
- Ads not loading properly
- Inconsistent performance across devices

**Requested features**

- More free puzzles and levels
- Reduce frequency of ads
- Customizable difficulty settings
- Ability to save/share completed puzzles


### Zero Sum

[App page](https://appshunter.io/ios/app/zero-sum/id6779928476)

A puzzle game where players merge numbered tiles to clear the board and reach zero. Strategic merging of positive, negative, and multiplier tiles presents increasingly difficult challenges.

**Highlights:** Merge numbered tiles, Clear the board, Reach zero score, Interact with positive, negative, and multiplier tiles, Solve challenging boards, Unlockable cases

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Polysphere free?

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

### Is Zero Sum free?

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

### Do Polysphere or Zero Sum have ads?

Both Polysphere and Zero Sum show ads.

### Which is updated more often, Polysphere or Zero Sum?

Polysphere ships an update every 3 weeks, and Zero Sum every 3 days. Most recently, Polysphere was updated on October 24, 2026 and Zero Sum on October 9, 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.*