# Arbitrium vs Decision Intelligence

The clearest difference is price: Arbitrium at Free against Decision Intelligence's $0.99. Arbitrium also leads on ratings volume (11 vs 1) and device support (3 vs 1). Decision Intelligence's advantage is in-app purchases (none vs 1) and update cadence (every 10 days vs every 28 months). On rating, review sentiment and ads there is nothing between them.

Arbitrium is free to download; Decision Intelligence costs $0.99 up front. Arbitrium sells 1 one-off in-app purchase. Decision Intelligence 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 Decision Intelligence. That said, the two scores are not equally well evidenced: Arbitrium has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Arbitrium ships an update every 28 months, Decision Intelligence every 10 days. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Arbitrium | Decision Intelligence |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.9 (11 ratings)](https://appshunter.io/ios/app/arbitrium/id1369876075/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/decision-intelligence/id6738000317/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 10 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 8 MB | 9 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Lost Project](https://appshunter.io/developer/380868134) | [Dongmei Hu](https://appshunter.io/developer/1778802027) |

## 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 |


### Decision Intelligence

[App page](https://appshunter.io/ios/app/decision-intelligence/id6738000317)

This app helps you make difficult choices by systematically listing considerations and their importance. It guides you to understand your options and make well-reasoned decisions, reducing post-decision regret.

**Highlights:** List decision considerations, Assign importance to considerations, Evaluate options against considerations, Understand decision rationale, Reduce choice regret

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arbitrium free?

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

### Is Decision Intelligence free?

Decision Intelligence costs $0.99, with no in-app purchases.

### Which has better reviews, Arbitrium or Decision Intelligence?

Decision Intelligence is rated higher. Arbitrium averages 4.9 out of 5 from 11 ratings, while Decision Intelligence averages 5.0 from 1 ratings.

### Do Arbitrium or Decision Intelligence have ads?

Neither Arbitrium nor Decision Intelligence shows ads.

### Which is updated more often, Arbitrium or Decision Intelligence?

Arbitrium ships an update every 28 months, and Decision Intelligence every 10 days. Most recently, Arbitrium was updated on September 28, 2026 and Decision Intelligence on October 6, 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.*