# DEFIM vs Accoste

The clearest difference is device support: DEFIM at 3 against Accoste's 1. DEFIM also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

DEFIM ships an update every 11 days, Accoste weekly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DEFIM | Accoste |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Size | 27 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DEFIM SA](https://appshunter.io/developer/1872387039) | [FOSS4EU](https://appshunter.io/developer/1896658239) |

## What reviewers say

### DEFIM

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

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

**In-app purchases:** none


### Accoste

[App page](https://appshunter.io/ios/app/accoste-berthing-practice/id6797208889)

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

**In-app purchases:** none


## Frequently asked questions

### Is DEFIM free?

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

### Is Accoste free?

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

### Do DEFIM or Accoste have ads?

Neither DEFIM nor Accoste shows ads.

### Which is updated more often, DEFIM or Accoste?

DEFIM ships an update every 11 days, and Accoste weekly. Most recently, DEFIM was updated on October 1, 2026 and Accoste on October 14, 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.*