# Arbitrium vs Promotion Integrity Checker

The clearest difference is in-app purchases: Promotion Integrity Checker at none against Arbitrium's 1. Promotion Integrity Checker also leads on update cadence (every 5 months vs every 28 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Arbitrium ships an update every 28 months, Promotion Integrity Checker every 5 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Arbitrium | Promotion Integrity Checker |
| --- | --- | --- |
| 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 | **Every 5 months** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 48 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Lost Project](https://appshunter.io/developer/380868134) | [Coupon Information Corporation](https://appshunter.io/developer/1864943815) |

## 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 |


### Promotion Integrity Checker

[App page](https://appshunter.io/ios/app/promotion-integrity-checker/id1553751916)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Arbitrium free?

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

### Is Promotion Integrity Checker free?

Promotion Integrity Checker is free to download, with no in-app purchases.

### Do Arbitrium or Promotion Integrity Checker have ads?

Neither Arbitrium nor Promotion Integrity Checker shows ads.

### Which is updated more often, Arbitrium or Promotion Integrity Checker?

Arbitrium ships an update every 28 months, and Promotion Integrity Checker every 5 months. Most recently, Arbitrium was updated on October 24, 2026 and Promotion Integrity Checker on October 17, 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.*