# Marble Jam! vs Gridsum

The clearest difference is review sentiment: Gridsum at 100% against Marble Jam!'s 0%. Gridsum also leads on rating (5.0 vs 2.0) and ratings volume (3 vs 1). Marble Jam!'s advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gridsum sells 1 one-off in-app purchase. Marble Jam! asks for nothing beyond the download.

Gridsum holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 0% of Marble Jam!'s written reviews are positive against 100% of Gridsum's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Marble Jam! | Gridsum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/marble-jam/id6759827409/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gridsum/id6770373881/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 145 MB | 64 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fatih Can Temel](https://appshunter.io/developer/1493345618) | [Tyler Lewis](https://appshunter.io/developer/1896737710) |

## What reviewers say

### Marble Jam!

[App page](https://appshunter.io/ios/app/marble-jam/id6759827409)

Fill hollow cubes with matching colored marbles by strategically shooting them from a queue. This puzzle game offers a soothing ASMR experience with vibrant 3D graphics and hundreds of challenging levels designed for relaxation and brain-teasing fun.

**Highlights:** Fill cubes with matching marbles, Strategic marble shooting, Satisfying ASMR experience, Vibrant 3D graphics, Hundreds of challenging levels, Stress-relief gameplay

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

**In-app purchases:** none


### Gridsum

[App page](https://appshunter.io/ios/app/gridsum/id6770373881)

Engage your mind with a pure logic number puzzle. Swap tiles to match target sums in distinct regions. Hundreds of handcrafted levels and daily challenges await, with global leaderboards to test your skills.

**Highlights:** Logic-based tile swapping, Target sum matching, Hundreds of handcrafted levels, Daily challenges, Global leaderboards, Distraction-free design, Accessibility options

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Marble Jam! free?

Marble Jam! is free to download, with no in-app purchases.

### Is Gridsum free?

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

### Which has better reviews, Marble Jam! or Gridsum?

Gridsum is rated higher. Marble Jam! averages 2.0 out of 5 from 1 ratings, while Gridsum averages 5.0 from 3 ratings.

### Do Marble Jam! or Gridsum have ads?

Both Marble Jam! and Gridsum show ads.

### Which is updated more often, Marble Jam! or Gridsum?

Marble Jam! ships an update every 3 weeks, and Gridsum every 3 weeks. Most recently, Marble Jam! was updated on October 10, 2026 and Gridsum 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.*