# Polygrams vs KernelLogic

The clearest difference is ads: KernelLogic at none against Polygrams's shown. Polygrams's advantage is iOS requirement (14.0 vs 26.5). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Polygrams sells 6 one-off in-app purchases and KernelLogic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Polygrams | KernelLogic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.4K ratings)](https://appshunter.io/ios/app/polygrams-tangram-puzzles/id1403036309/reviews)** | — |
| Number of ratings | **4.4K** | — |
| Positive reviews | 43.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 59 MB | 2 MB |
| Requires iOS | **14.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Norma Kohn](https://appshunter.io/developer/1312626694) | [Angelo Elmudesi](https://appshunter.io/developer/1896315717) |

## What reviewers say

### Polygrams

[App page](https://appshunter.io/ios/app/polygrams-tangram-puzzles/id1403036309)

This logic puzzle game merges Tangram with block puzzle mechanics. Drag and drop pieces to fill shapes without overlap. Enjoy over 2500 levels, from beginner to master, offering a relaxing yet challenging experience for all ages.

**Highlights:** Tangram and block puzzle mechanics, Drag and drop gameplay, Over 2500 levels, Beginner and master difficulty, Offline play, One-touch controls

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Hints | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 20 Hints | $2.99 | one-time |
| 35 Hints | $4.99 | one-time |
| 80 Hints | $9.99 | one-time |
| 200 Hints | $20.99 | one-time |

**What reviewers like**

- 👍 Relaxing gameplay
- 💡 Unique tangram puzzles
- 🤔 Challenging mental exercise

**What reviewers complain about**

- 🚫 Too many ads
- 🤦‍♀️ Ads blocking gameplay
- 🔍 Difficulty seeing puzzle pieces
- 🔒 Inability to rotate/flip pieces

**Reported bugs**

- Game crashes/freezes
- Paid version still showing ads

**Requested features**

- Customizable puzzle pieces
- Randomized piece order
- Ability to rotate/flip pieces


### KernelLogic

[App page](https://appshunter.io/ios/app/kernellogic/id6801740844)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $4.99 | one-time |


## Frequently asked questions

### Is Polygrams free?

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

### Is KernelLogic free?

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

### Do Polygrams or KernelLogic have ads?

Polygrams shows ads; KernelLogic does not.

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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.*