# Logic Dots 2 vs Index Sums

The clearest difference is review sentiment: Index Sums at 100% against Logic Dots 2's 51%. Index Sums also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 11). Logic Dots 2's advantage is ratings volume (6.7K vs 3). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. Logic Dots 2 sells 11 one-off in-app purchases. Index Sums asks for nothing beyond the download.

Index Sums holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Logic Dots 2 has 6.7K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 51% of Logic Dots 2's written reviews are positive against 100% of Index Sums's.

Logic Dots 2 ships an update every 5 weeks, Index Sums every 3 weeks. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Logic Dots 2 | Index Sums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6.7K ratings)](https://appshunter.io/ios/app/logic-dots-2/id1160013432/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/index-sums/id6745894447/reviews)** |
| Number of ratings | **6.7K** | 3 |
| Positive reviews | 50.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 129 MB | 25 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matias Ini](https://appshunter.io/developer/558628070) | [ZORIX LLC](https://appshunter.io/developer/1814371874) |

## What reviewers say

### Logic Dots 2

[App page](https://appshunter.io/ios/app/logic-dots-2/id1160013432)

This logic puzzle game combines Sudoku and Battleship mechanics. Place dots on a grid to form shapes and solve increasingly challenging brain-teasers. Enjoy over 700 levels with no time or move limits, and a color-blind friendly design.

**Highlights:** Place dots to form shapes, Solve logic puzzles, Over 700 unique levels, No time or move limits, Color-blind friendly design, Unlimited undo feature

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Packs | $0.99 | one-time |
| 50 Hints | $0.99 | one-time |
| 10 Hints | $1.99 | one-time |
| Unlock All Packs | $2.99 | one-time |
| Unlock All Difficult Levels | $2.99 | one-time |
| Unlock All Lines & Dots Levels | $2.99 | one-time |
| 50 Hints | $4.99 | one-time |
| Unlock ALL Locked Level Packs! | $4.99 | one-time |
| Unlimited Hints | $9.99 | one-time |
| 200 Hints | $14.99 | one-time |
| Unlimited Hints | $29.99 | one-time |

**What reviewers like**

- 👍 Challenging and addictive
- 👍 Relaxing and good mental exercise
- 👍 Well-designed and aesthetically pleasing
- 👍 Logical thinking and problem-solving

**What reviewers complain about**

- 🐛 Certain puzzles have only one accepted solution despite multiple valid solutions
- 💰 Excessive ads and paywall to unlock more levels
- 🐛 Bugs and glitches preventing progress
- 🤔 Puzzles can be too easy at times

**Reported bugs**

- Freezing or crashing at certain levels
- Hints and unlocked levels disappearing
- Tutorial instructions not matching game mechanics

**Requested features**

- Option to hide the shape guide at the top
- More levels and content updates
- Ability to track progress and points earned
- Timer feature with scoring based on time


### 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


## Frequently asked questions

### Is Logic Dots 2 free?

Logic Dots 2 is free to download, with in-app purchases available.

### Is Index Sums free?

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

### Which has better reviews, Logic Dots 2 or Index Sums?

Index Sums is rated higher. Logic Dots 2 averages 4.5 out of 5 from 6.7K ratings, while Index Sums averages 5.0 from 3 ratings.

### Do Logic Dots 2 or Index Sums have ads?

Logic Dots 2 shows ads; Index Sums does not.

### Which is updated more often, Logic Dots 2 or Index Sums?

Logic Dots 2 ships an update every 5 weeks, and Index Sums every 3 weeks. Most recently, Logic Dots 2 was updated on October 18, 2026 and Index Sums 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.*