# IOTuning vs ARCO Zeus

IOTuning and ARCO Zeus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IOTuning ships an update every 2 months, ARCO Zeus every 6 weeks. The most recent releases landed on September 12, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | IOTuning | ARCO Zeus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/arco-zeus/id6446371700/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 97 MB |
| Requires iOS | **15.2** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IOTuning GmbH](https://appshunter.io/developer/1622403581) | [Dominic Policicchio](https://appshunter.io/developer/1710463382) |

## What reviewers say

### IOTuning

[App page](https://appshunter.io/ios/app/iotuning/id1622403579)

**In-app purchases:** none


### ARCO Zeus

[App page](https://appshunter.io/ios/app/arco-zeus/id6446371700)

Configure, control, and monitor your ARCO Smart Regulator. Customize charging profiles and safety limits for optimal system performance. Offers default profiles for quick setup or expert tuning.

**Highlights:** Configure ARCO Smart Regulator, Monitor system performance, Customize charging profiles, Set safety limits, Choose default battery profiles, Expert tuning assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IOTuning free?

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

### Is ARCO Zeus free?

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

### Do IOTuning or ARCO Zeus have ads?

Neither IOTuning nor ARCO Zeus shows ads.

### Which is updated more often, IOTuning or ARCO Zeus?

IOTuning ships an update every 2 months, and ARCO Zeus every 6 weeks. Most recently, IOTuning was updated on September 12, 2026 and ARCO Zeus on August 5, 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.*