# Slitherlink vs Tchisla

The clearest difference is update cadence: Tchisla at monthly against Slitherlink's every 4 months. Tchisla also leads on iOS requirement (8.0 vs 15.6). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Slitherlink sells 13 one-off in-app purchases and Tchisla sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Slitherlink against 4.9 for Tchisla. Both are backed by a comparable volume of ratings — 461 and 154 respectively. Written reviews are what separate them: 89% of Slitherlink's written reviews are positive against 88% of Tchisla's.

Slitherlink ships an update every 4 months, Tchisla monthly. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Slitherlink | Tchisla |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (461 ratings)](https://appshunter.io/ios/app/slitherlink-loop-the-snake/id605918324/reviews) | **[4.9 (154 ratings)](https://appshunter.io/ios/app/tchisla-number-puzzle/id1100623105/reviews)** |
| Number of ratings | **461** | 154 |
| Positive reviews | **89.5% of reviews** | 87.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 25 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Conceptis Ltd.](https://appshunter.io/developer/479420055) | [HORIS INTERNATIONAL LIMITED](https://appshunter.io/developer/646324304) |

## What reviewers say

### Slitherlink

[App page](https://appshunter.io/ios/app/slitherlink-loop-the-snake/id605918324)

Solve logic puzzles by drawing a single loop around clues on a grid. Connect dots to form a continuous line, with no crossings or branches. Offers endless fun and intellectual challenge for puzzle enthusiasts.

**Highlights:** Draw a single continuous loop, Surround numbered clues, Pure logic, no math required, Weekly bonus puzzles, Multiple difficulty levels, Auto complete clues, Highlight link segment

**Features:** Family Sharing, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Medium Snacks 1 | $0.99 | one-time |
| Easy Variety 1 | $1.99 | one-time |
| Easy Variety - Large 1 | $1.99 | one-time |
| Medium Variety 1 | $1.99 | one-time |
| Medium Variety - Large 1 | $1.99 | one-time |
| Hard Variety 1 | $1.99 | one-time |
| Easy Variety 2 | $1.99 | one-time |
| Medium Variety 2 | $1.99 | one-time |
| Hard Variety 2 | $1.99 | one-time |
| Big & Easy 1 | $1.99 | one-time |
| Big & Medium 1 | $1.99 | one-time |
| Hard Variety - Large 1 | $1.99 | one-time |
| Big & Tough 1 | $1.99 | one-time |

**What reviewers like**

- 🎉 Challenging and fun puzzles
- 👍 Well-designed and intuitive interface
- 🔍 Helpful check and undo features
- 💡 Variety of puzzle sizes and difficulty levels
- 🧠 Requires logical thinking

**What reviewers complain about**

- 🔍 Lack of coloring/marking tools to differentiate loop segments
- 💰 Expensive puzzle pack prices
- 🌙 No dark mode option
- 🐛 Occasional bugs and crashes
- 🔍 Limited free puzzle content

**Reported bugs**

- App not loading properly for some users
- Freezing issues on login screen
- Incompatibility with older devices

**Requested features**

- Add a dark mode option
- Implement coloring/marking tools for loop segments
- Provide more free puzzle content
- Reduce pricing for puzzle packs
- Add a rewind/undo feature to go back to previous puzzle states


### Tchisla

[App page](https://appshunter.io/ios/app/tchisla-number-puzzle/id1100623105)

This app challenges you to represent numbers as arithmetic expressions using only digits 1-9. It offers various operations, including roots, powers, and factorials, to find optimal solutions. Improve your mental math skills through engaging puzzles and competitive modes.

**Highlights:** Represent numbers as arithmetic expressions, Use digits 1-9, Standard arithmetic operations (+, -, *, /), Advanced operations (√, ^, !), Practice mode with tutorial, Competitive modes with leaderboards, Gallery for tracking progress and solutions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extended gallery | $1.99 | one-time |


## Frequently asked questions

### Is Slitherlink free?

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

### Is Tchisla free?

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

### Which has better reviews, Slitherlink or Tchisla?

Tchisla is rated higher. Slitherlink averages 4.8 out of 5 from 461 ratings, while Tchisla averages 4.9 from 154 ratings.

### Do Slitherlink or Tchisla have ads?

Neither Slitherlink nor Tchisla shows ads.

### Which is updated more often, Slitherlink or Tchisla?

Slitherlink ships an update every 4 months, and Tchisla monthly. Most recently, Slitherlink was updated on October 23, 2026 and Tchisla on October 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.*