# Clockfly Nuts vs ISTQB Automation Engineering

The clearest difference is in-app purchases: Clockfly Nuts at none against ISTQB Automation Engineering's 2. Clockfly Nuts also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). ISTQB Automation Engineering's advantage is update cadence (every 2 months vs every 44 months). On price and ads there is nothing between them.

Both are free to download. ISTQB Automation Engineering sells 2 in-app purchases, starting at $9.99 per month. Clockfly Nuts asks for nothing beyond the download.

Clockfly Nuts ships an update every 44 months, ISTQB Automation Engineering every 2 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Clockfly Nuts | ISTQB Automation Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 months** |
| Size | 269 MB | 9 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Soliman](https://appshunter.io/developer/1530043132) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### Clockfly Nuts

[App page](https://appshunter.io/ios/app/clockfly-nuts/id1594176922)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISTQB Automation Engineering

[App page](https://appshunter.io/ios/app/istqb-automation-engineering/id6738651986)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


## Frequently asked questions

### Is Clockfly Nuts free?

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

### Is ISTQB Automation Engineering free?

ISTQB Automation Engineering is free to download, with in-app purchases available.

### Do Clockfly Nuts or ISTQB Automation Engineering have ads?

Neither Clockfly Nuts nor ISTQB Automation Engineering shows ads.

### Which is updated more often, Clockfly Nuts or ISTQB Automation Engineering?

Clockfly Nuts ships an update every 44 months, and ISTQB Automation Engineering every 2 months. Most recently, Clockfly Nuts was updated on October 7, 2026 and ISTQB Automation Engineering on October 18, 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.*