# IOTA Readout vs Clear Master Pro

The clearest difference is in-app purchases: IOTA Readout at none against Clear Master Pro's 1. IOTA Readout also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Clear Master Pro sells 1 one-off in-app purchase. IOTA Readout asks for nothing beyond the download.

IOTA Readout ships an update every 7 months, Clear Master Pro every 6 months. The most recent releases landed on September 5, 2026 and December 14, 2025 respectively.

## The numbers

| Metric | IOTA Readout | Clear Master Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 6 months** |
| Size | 36 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Every European Digital Poland sp. z o.o.](https://appshunter.io/developer/1812990168) | [kushal patel](https://appshunter.io/developer/1461109893) |

## What reviewers say

### IOTA Readout

[App page](https://appshunter.io/ios/app/iota-readout/id1455023875)

**Features:** macOS Compatibility

**In-app purchases:** none


### Clear Master Pro

[App page](https://appshunter.io/ios/app/clear-master-pro/id1632876260)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free Version | $4.99 | one-time |


## Frequently asked questions

### Is IOTA Readout free?

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

### Is Clear Master Pro free?

Clear Master Pro is free to download, with in-app purchases available.

### Do IOTA Readout or Clear Master Pro have ads?

Clear Master Pro shows ads; IOTA Readout does not.

### Which is updated more often, IOTA Readout or Clear Master Pro?

IOTA Readout ships an update every 7 months, and Clear Master Pro every 6 months. Most recently, IOTA Readout was updated on September 5, 2026 and Clear Master Pro on December 14, 2025.

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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.*