# Unknot vs SYNTAX

The clearest difference is in-app purchases: Unknot at none against SYNTAX's 4. SYNTAX's advantage is update cadence (every 2 days vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SYNTAX sells 4 one-off in-app purchases. Unknot asks for nothing beyond the download.

Unknot ships an update every 6 days, SYNTAX every 2 days. The most recent releases landed on October 3, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Unknot | SYNTAX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 days | **Every 2 days** |
| Size | 18 MB | 55 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LELEU LABS LLC](https://appshunter.io/developer/1825013794) | [Amit Kumar](https://appshunter.io/developer/1882275624) |

## What reviewers say

### Unknot

[App page](https://appshunter.io/ios/app/unknot-trivialize-the-loop/id6748287972)

**Features:** macOS Compatibility

**In-app purchases:** none


### SYNTAX

[App page](https://appshunter.io/ios/app/syntax-logic-breach/id6760007405)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Pro Pack | $2.99 | one-time |
| Master Pack | $4.99 | one-time |
| Whale Pack | $9.99 | one-time |


## Frequently asked questions

### Is Unknot free?

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

### Is SYNTAX free?

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

### Do Unknot or SYNTAX have ads?

Both Unknot and SYNTAX show ads.

### Which is updated more often, Unknot or SYNTAX?

Unknot ships an update every 6 days, and SYNTAX every 2 days. Most recently, Unknot was updated on October 3, 2026 and SYNTAX on September 27, 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.*