# Probabilités vs OCTOMAP

The clearest difference is update cadence: OCTOMAP at every 4 months against Probabilités's every 26 months. OCTOMAP also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Probabilités ships an update every 26 months, OCTOMAP every 4 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Probabilités | OCTOMAP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 4 months** |
| Size | 14 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Auclair](https://appshunter.io/developer/1333526155) | [OCTONUM](https://appshunter.io/developer/1660915747) |

## What reviewers say

### Probabilités

[App page](https://appshunter.io/ios/app/probabilites/id1334634985)

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

**In-app purchases:** none


### OCTOMAP

[App page](https://appshunter.io/ios/app/octomap/id6449463442)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Probabilités free?

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

### Is OCTOMAP free?

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

### Do Probabilités or OCTOMAP have ads?

Neither Probabilités nor OCTOMAP shows ads.

### Which is updated more often, Probabilités or OCTOMAP?

Probabilités ships an update every 26 months, and OCTOMAP every 4 months. Most recently, Probabilités was updated on October 6, 2026 and OCTOMAP on October 7, 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.*