# Arbitrium vs CoHiro

The clearest difference is in-app purchases: CoHiro at none against Arbitrium's 1. CoHiro also leads on update cadence (weekly vs every 28 months). Arbitrium's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Arbitrium sells 1 one-off in-app purchase. CoHiro asks for nothing beyond the download.

Arbitrium ships an update every 28 months, CoHiro weekly. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Arbitrium | CoHiro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/arbitrium/id1369876075/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 70 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Lost Project](https://appshunter.io/developer/380868134) | [Niugio UG (haftungsbeschraenkt)](https://appshunter.io/developer/6798588151) |

## What reviewers say

### Arbitrium

[App page](https://appshunter.io/ios/app/arbitrium/id1369876075)

This app assists in making rational decisions by allowing you to define criteria and rate your options. It uses a weighted decision matrix to help you identify the best choice for various life scenarios.

**Highlights:** Define decision criteria, Rate available options, Weighted decision matrix, Identify best choice, Save and manage decisions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Mode | $0.99 | one-time |


### CoHiro

[App page](https://appshunter.io/ios/app/cohiro-shared-grocery-list/id6798588149)

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

**In-app purchases:** none


## Frequently asked questions

### Is Arbitrium free?

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

### Is CoHiro free?

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

### Do Arbitrium or CoHiro have ads?

Neither Arbitrium nor CoHiro shows ads.

### Which is updated more often, Arbitrium or CoHiro?

Arbitrium ships an update every 28 months, and CoHiro weekly. Most recently, Arbitrium was updated on October 13, 2026 and CoHiro on October 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.*