# ISTQB Practice vs SDET Interview Coach

The clearest difference is in-app purchases: ISTQB Practice at none against SDET Interview Coach's 2. SDET Interview Coach's advantage is update cadence (every 3 days vs every 9 days) and iOS requirement (15.1 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. SDET Interview Coach sells 2 in-app purchases, starting at $5.99 per month. ISTQB Practice asks for nothing beyond the download.

ISTQB Practice ships an update every 9 days, SDET Interview Coach every 3 days. The most recent releases landed on September 18, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | ISTQB Practice | SDET Interview Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 7 MB | 44 MB |
| Requires iOS | 26.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Julian Cambridge](https://appshunter.io/developer/1422381108) | [Mitchell Agoma](https://appshunter.io/developer/1863538002) |

## What reviewers say

### ISTQB Practice

[App page](https://appshunter.io/ios/app/istqb-practice/id6759933336)

**In-app purchases:** none


### SDET Interview Coach

[App page](https://appshunter.io/ios/app/sdet-interview-coach/id6763396692)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SDET Coach Pro - Monthly | $5.99 | per month |
| SDET Coach Pro - Annual | $69.99 | per year |


## Frequently asked questions

### Is ISTQB Practice free?

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

### Is SDET Interview Coach free?

SDET Interview Coach is free to download, with in-app purchases available.

### Do ISTQB Practice or SDET Interview Coach have ads?

Neither ISTQB Practice nor SDET Interview Coach shows ads.

### Which is updated more often, ISTQB Practice or SDET Interview Coach?

ISTQB Practice ships an update every 9 days, and SDET Interview Coach every 3 days. Most recently, ISTQB Practice was updated on September 18, 2026 and SDET Interview Coach on September 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.*