# Cube Cube vs Sum Is

The clearest difference is in-app purchases: Sum Is at none against Cube Cube's 10. Cube Cube's advantage is update cadence (every 6 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cube Cube sells 10 one-off in-app purchases. Sum Is asks for nothing beyond the download.

Cube Cube ships an update every 6 weeks, Sum Is every 4 months. Both last shipped on September 22, 2026.

## The numbers

| Metric | Cube Cube | Sum Is |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (13K ratings)](https://appshunter.io/ios/app/cube-cube-block-puzzle-game/id1125555270/reviews)** | — |
| Number of ratings | **13K** | — |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 215 MB | 43 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Tether Studios, LLC](https://appshunter.io/developer/961843822) | [Vijay Kumar Meena](https://appshunter.io/developer/1502353944) |

## What reviewers say

### Cube Cube

[App page](https://appshunter.io/ios/app/cube-cube-block-puzzle-game/id1125555270)

Engage in a strategic block puzzle game where you drag and drop pieces to fill rows and score points. Master timed challenges and earn bonuses for clearing multiple rows or consecutive turns.

**Highlights:** Drag blocks to the board, Fill rows to clear them, Timed games with 3-minute matches, Score Combo Bonuses, Score Streak Bonuses, Deep strategy elements

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Coins | $0.99 | one-time |
| 5 Energy | $0.99 | one-time |
| Starter Pack | $1.99 | one-time |
| No Ads 7-Days | $2.99 | one-time |
| Double Energy 30-days | $4.99 | one-time |
| 3,000 Coins | $4.99 | one-time |
| No Ads 30-Days | $6.99 | one-time |
| 50 Energy | $8.99 | one-time |
| 15,000 Coins | $19.99 | one-time |
| 45,000 Coins | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive game
- 💰 Ability to earn real money
- 🤑 Generous prizes and rewards
- 🧠 Challenging and mentally stimulating
- 🌐 Ability to play against people from around the world

**What reviewers complain about**

- 🐛 Frequent app crashes and glitches
- 🤖 Concerns about rigged matchmaking and bots
- 💸 Difficulty in actually withdrawing winnings
- 🤔 Unclear how to maximize earnings
- 🔒 Account suspension and lack of customer support

**Reported bugs**

- App crashes during tournaments
- Matches not starting or incorrectly aborting
- Inconsistent performance and connectivity issues
- Withdrawal and payment problems

**Requested features**

- More free/low-cost play options
- Improved matchmaking and tournament systems
- Better transparency around payouts and earnings
- Enhanced customer support and communication


### Sum Is

[App page](https://appshunter.io/ios/app/sum-is/id1548187986)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cube Cube free?

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

### Is Sum Is free?

Sum Is is free to download, with no in-app purchases.

### Do Cube Cube or Sum Is have ads?

Both Cube Cube and Sum Is show ads.

### Which is updated more often, Cube Cube or Sum Is?

Cube Cube ships an update every 6 weeks, and Sum Is every 4 months. Most recently, Cube Cube was updated on September 22, 2026 and Sum Is on September 22, 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.*