# AurumTools vs OTEC

The clearest difference is in-app purchases: OTEC at none against AurumTools's 2. OTEC also leads on ads (none vs shown) and iOS requirement (14.0.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. AurumTools sells 2 in-app purchases, starting at $5.90 per month. OTEC asks for nothing beyond the download.

AurumTools ships an update every 6 weeks, OTEC monthly. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | AurumTools | OTEC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 56 MB | 24 MB |
| Requires iOS | 16.6 | **14.0.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaddick Goldschmiede](https://appshunter.io/developer/1786996275) | [OTEC Präzisionsfinish GmbH](https://appshunter.io/developer/1860278470) |

## What reviewers say

### AurumTools

[App page](https://appshunter.io/ios/app/aurumtools/id6739778914)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.90 | per month |
| Yearly | $59.00 | per year |


### OTEC

[App page](https://appshunter.io/ios/app/otec/id6756361669)

**In-app purchases:** none


## Frequently asked questions

### Is AurumTools free?

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

### Is OTEC free?

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

### Do AurumTools or OTEC have ads?

AurumTools shows ads; OTEC does not.

### Which is updated more often, AurumTools or OTEC?

AurumTools ships an update every 6 weeks, and OTEC monthly. Most recently, AurumTools was updated on October 5, 2026 and OTEC on October 1, 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.*