# SYNAPSE vs Code Marine

SYNAPSE and Code Marine are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SYNAPSE ships an update every 3 weeks, Code Marine fortnightly. The most recent releases landed on September 2, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | SYNAPSE | Code Marine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 143 MB | 35 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FORM'U](https://appshunter.io/developer/1764529616) | [Bastien Machefert](https://appshunter.io/developer/1862141535) |

## What reviewers say

### SYNAPSE

[App page](https://appshunter.io/ios/app/synapse-learn/id6670785655)

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

**In-app purchases:** none


### Code Marine

[App page](https://appshunter.io/ios/app/code-marine-permis-bateau/id6756659478)

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

**In-app purchases:** none


## Frequently asked questions

### Is SYNAPSE free?

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

### Is Code Marine free?

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

### Do SYNAPSE or Code Marine have ads?

Neither SYNAPSE nor Code Marine shows ads.

### Which is updated more often, SYNAPSE or Code Marine?

SYNAPSE ships an update every 3 weeks, and Code Marine fortnightly. Most recently, SYNAPSE was updated on September 2, 2026 and Code Marine on September 5, 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.*