# Index Sums vs Seven Slate

The clearest difference is rating: Index Sums at 5.0 against Seven Slate's 4.0. Index Sums also leads on in-app purchases (none vs 1) and ratings volume (4 vs 1). Seven Slate's advantage is iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Seven Slate sells 1 one-off in-app purchase. Index Sums asks for nothing beyond the download.

Index Sums holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Index Sums | Seven Slate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/index-sums/id6745894447/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/seven-slate/id6746138588/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 1 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZORIX LLC](https://appshunter.io/developer/1814371874) | [Holiander, Inc.](https://appshunter.io/developer/1815377783) |

## What reviewers say

### Index Sums

[App page](https://appshunter.io/ios/app/index-sums/id6745894447)

Engage your mind with a Japanese number logic puzzle. Fill grids based on row and column sums, using pure logic to reveal hidden patterns. Offers multiple difficulty levels and daily challenges for continuous mental stimulation.

**Highlights:** Row and column sum logic puzzles, Multiple difficulty levels, Daily challenges, Progress tracking and statistics, Offline play, Customizable themes, Haptic feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### Seven Slate

[App page](https://appshunter.io/ios/app/seven-slate/id6746138588)

A minimalist word game where you tap falling letter tiles to form words and score points. It features an elegant design, multiple game modes, and a comprehensive dictionary. Unlock premium features for an enhanced experience.

**Highlights:** Elegant monochrome design, Timed challenges and Zen Mode, Tap falling tiles to form words, Combo system for score multipliers, Comprehensive dictionary with definitions, Premium features like Vowel Bank

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seven Slate Premium | $1.99 | one-time |


## Frequently asked questions

### Is Index Sums free?

Index Sums is free to download, with no in-app purchases.

### Is Seven Slate free?

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

### Which has better reviews, Index Sums or Seven Slate?

Index Sums is rated higher. Index Sums averages 5.0 out of 5 from 4 ratings, while Seven Slate averages 4.0 from 1 ratings.

### Do Index Sums or Seven Slate have ads?

Neither Index Sums nor Seven Slate shows ads.

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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.*