# Arbitrium vs Definitive Choice

The clearest difference is in-app purchases: Definitive Choice at none against Arbitrium's 1. Definitive Choice also leads on update cadence (every 2 months vs every 28 months). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Arbitrium against 5.0 for Definitive Choice. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Arbitrium ships an update every 28 months, Definitive Choice every 2 months. The most recent releases landed on September 10, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | Arbitrium | Definitive Choice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (11 ratings)](https://appshunter.io/ios/app/arbitrium/id1369876075/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/definitive-choice/id1536141657/reviews)** |
| Number of ratings | **11** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 62 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Lost Project](https://appshunter.io/developer/380868134) | [Definitive Business Solutions](https://appshunter.io/developer/1536141659) |

## 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 |


### Definitive Choice

[App page](https://appshunter.io/ios/app/definitive-choice/id1536141657)

This tool helps teams make complex decisions by providing a structured framework for evaluating options based on multiple criteria. It facilitates real-time collaboration, ensuring all team members contribute to reaching a consensus on choices like vendor selection or project prioritization.

**Highlights:** Multi-criteria decision analysis, Real-time team collaboration, Customizable decision templates, Cost factoring, Consensus building, Transparent evaluation

**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 Definitive Choice free?

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

### Which has better reviews, Arbitrium or Definitive Choice?

Definitive Choice is rated higher. Arbitrium averages 4.9 out of 5 from 11 ratings, while Definitive Choice averages 5.0 from 6 ratings.

### Do Arbitrium or Definitive Choice have ads?

Neither Arbitrium nor Definitive Choice shows ads.

### Which is updated more often, Arbitrium or Definitive Choice?

Arbitrium ships an update every 28 months, and Definitive Choice every 2 months. Most recently, Arbitrium was updated on September 10, 2026 and Definitive Choice on August 21, 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.*