# ArboRefD vs ARÜ.APP

The clearest difference is in-app purchases: ARÜ.APP at none against ArboRefD's 8. ARÜ.APP also leads on update cadence (every 4 days vs every 4 weeks). ArboRefD's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 17.0). On price and ads there is nothing between them.

Both are free to download. ArboRefD sells 8 one-off in-app purchases. ARÜ.APP asks for nothing beyond the download.

ArboRefD ships an update every 4 weeks, ARÜ.APP every 4 days. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ArboRefD | ARÜ.APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 4 days** |
| Size | 58 MB | 267 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frank Rinn](https://appshunter.io/developer/1832196562) | [iNovaGIS](https://appshunter.io/developer/1019573085) |

## What reviewers say

### ArboRefD

[App page](https://appshunter.io/ios/app/arborefd/id6749804200)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Day | $0.99 | one-time |
| 1-Day-Pass | $0.99 | one-time |
| 1-Week-Pass | $4.99 | one-time |
| Full version (Week) | $5.99 | one-time |
| Full version (Month) | $11.99 | one-time |
| 1-Month-Pass | $12.99 | one-time |
| Full version (Year) | $49.99 | one-time |
| 1-Year-Pass | $59.99 | one-time |


### ARÜ.APP

[App page](https://appshunter.io/ios/app/aruapp/id6760896106)

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

**In-app purchases:** none


## Frequently asked questions

### Is ArboRefD free?

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

### Is ARÜ.APP free?

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

### Do ArboRefD or ARÜ.APP have ads?

Neither ArboRefD nor ARÜ.APP shows ads.

### Which is updated more often, ArboRefD or ARÜ.APP?

ArboRefD ships an update every 4 weeks, and ARÜ.APP every 4 days. Most recently, ArboRefD was updated on September 22, 2026 and ARÜ.APP on September 10, 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.*