# Rest API Testing Course vs ISTQB Foundation Level 2026

The clearest difference is price: ISTQB Foundation Level 2026 at Free against Rest API Testing Course's $2.99. ISTQB Foundation Level 2026 also leads on update cadence (every 12 months vs every 63 months) and iOS requirement (10.0 vs 16.0). Rest API Testing Course's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

ISTQB Foundation Level 2026 is free to download; Rest API Testing Course costs $2.99 up front. ISTQB Foundation Level 2026 sells 1 one-off in-app purchase. Rest API Testing Course asks for nothing beyond the download.

Rest API Testing Course ships an update every 63 months, ISTQB Foundation Level 2026 every 12 months. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Rest API Testing Course | ISTQB Foundation Level 2026 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rest-api-testing-course/id1436649887/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 63 months | **Every 12 months** |
| Monetization | Paid | — |
| Size | 7 MB | 25 MB |
| Requires iOS | 16.0 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Buydeepdiscount.com LLC](https://appshunter.io/developer/817177888) | [Trieu Tran](https://appshunter.io/developer/1570476726) |

## What reviewers say

### Rest API Testing Course

[App page](https://appshunter.io/ios/app/rest-api-testing-course/id1436649887)

Learn the fundamentals of API testing with practical techniques and real-world case studies. This course covers planning, designing, and performing API tests using popular tools, along with handling authentication and automation strategies.

**Highlights:** API fundamentals and importance, API test case planning and design, API testing with Postman and REST Assured, Handling authentication and security, Test automation and continuous integration, Real-world scenarios and case studies

**Features:** macOS Compatibility

**In-app purchases:** none


### ISTQB Foundation Level 2026

[App page](https://appshunter.io/ios/app/istqb-foundation-level-2026/id1642465526)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Premium Content | $7.99 | one-time |


## Frequently asked questions

### Is Rest API Testing Course free?

Rest API Testing Course costs $2.99, with no in-app purchases.

### Is ISTQB Foundation Level 2026 free?

ISTQB Foundation Level 2026 is free to download, with in-app purchases available.

### Do Rest API Testing Course or ISTQB Foundation Level 2026 have ads?

Neither Rest API Testing Course nor ISTQB Foundation Level 2026 shows ads.

### Which is updated more often, Rest API Testing Course or ISTQB Foundation Level 2026?

Rest API Testing Course ships an update every 63 months, and ISTQB Foundation Level 2026 every 12 months. Most recently, Rest API Testing Course was updated on October 6, 2026 and ISTQB Foundation Level 2026 on October 14, 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.*