# Arbitrium vs Seatechnology

The clearest difference is in-app purchases: Seatechnology at none against Arbitrium's 1. Seatechnology also leads on update cadence (every 12 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. Seatechnology asks for nothing beyond the download.

Arbitrium ships an update every 28 months, Seatechnology every 12 months. The most recent releases landed on November 12, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Arbitrium | Seatechnology |
| --- | --- | --- |
| 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 12 months** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 27 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) | [Uplink Web Agency S.r.l.](https://appshunter.io/developer/492672533) |

## 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 |


### Seatechnology

[App page](https://appshunter.io/ios/app/seatechnology/id1612219530)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arbitrium free?

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

### Is Seatechnology free?

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

### Do Arbitrium or Seatechnology have ads?

Neither Arbitrium nor Seatechnology shows ads.

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

Arbitrium ships an update every 28 months, and Seatechnology every 12 months. Most recently, Arbitrium was updated on November 12, 2026 and Seatechnology on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*