# IOTuning vs ArcNode

The clearest difference is in-app purchases: IOTuning at none against ArcNode's 1. ArcNode's advantage is update cadence (every 6 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ArcNode sells 1 in-app purchase, starting at $299.00 per year. IOTuning asks for nothing beyond the download.

IOTuning ships an update every 2 months, ArcNode every 6 days. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | IOTuning | ArcNode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 5 MB | 115 MB |
| Requires iOS | **15.2** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IOTuning GmbH](https://appshunter.io/developer/1622403581) | [Arc Energy Labs, Inc.](https://appshunter.io/developer/1893341190) |

## What reviewers say

### IOTuning

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

**In-app purchases:** none


### ArcNode

[App page](https://appshunter.io/ios/app/arcnode/id6762201061)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arc Explorer | $299.00 | per year |


## Frequently asked questions

### Is IOTuning free?

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

### Is ArcNode free?

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

### Do IOTuning or ArcNode have ads?

Neither IOTuning nor ArcNode shows ads.

### Which is updated more often, IOTuning or ArcNode?

IOTuning ships an update every 2 months, and ArcNode every 6 days. Most recently, IOTuning was updated on October 1, 2026 and ArcNode on September 28, 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.*