# Permis mer vs DEFIM

The clearest difference is in-app purchases: DEFIM at none against Permis mer's 1. DEFIM also leads on update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Permis mer sells 1 one-off in-app purchase. DEFIM asks for nothing beyond the download.

Permis mer ships an update every 2 months, DEFIM every 11 days. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Permis mer | DEFIM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 517 MB | 27 MB |
| Requires iOS | 15.2 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HUBO SOFT](https://appshunter.io/developer/537026470) | [DEFIM SA](https://appshunter.io/developer/1872387039) |

## What reviewers say

### Permis mer

[App page](https://appshunter.io/ios/app/permis-mer/id1447644394)

Prepare for your coastal boating license exam with this app. It offers practice questions developed in partnership with a boating school, ensuring compliance with regulations. A basic version provides access to initial questionnaires, with a full version unlocking all content.

**Highlights:** Practice exam questions, Regulation-compliant content, Partnership with boating school, Basic and full versions, Regular updates

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Activation | $1.99 | one-time |


### DEFIM

[App page](https://appshunter.io/ios/app/defim/id6758341630)

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

**In-app purchases:** none


## Frequently asked questions

### Is Permis mer free?

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

### Is DEFIM free?

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

### Do Permis mer or DEFIM have ads?

Neither Permis mer nor DEFIM shows ads.

### Which is updated more often, Permis mer or DEFIM?

Permis mer ships an update every 2 months, and DEFIM every 11 days. Most recently, Permis mer was updated on October 13, 2026 and DEFIM on October 17, 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.*