# ISTQB Exam Simulator vs CDL Prep 2026

The clearest difference is update cadence: CDL Prep 2026 at every 3 weeks against ISTQB Exam Simulator's every 2 months. ISTQB Exam Simulator's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. ISTQB Exam Simulator sells 3 in-app purchases, starting at $3.99 per month and CDL Prep 2026 sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

ISTQB Exam Simulator ships an update every 2 months, CDL Prep 2026 every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ISTQB Exam Simulator | CDL Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/istqb-exam-simulator/id6468406564/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 93 MB | 56 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [Amirkhanov Oleksandr](https://appshunter.io/developer/1521727553) |

## What reviewers say

### ISTQB Exam Simulator

[App page](https://appshunter.io/ios/app/istqb-exam-simulator/id6468406564)

Prepare for your ISTQB certification with realistic mock exams and detailed performance summaries. Master software testing fundamentals with expert-crafted questions aligned with the latest syllabus. Study anytime, anywhere to build confidence for the real exam.

**Highlights:** Realistic timed mock exams, Detailed performance summaries, Explanations for all questions, Covers latest ISTQB syllabus, Comprehensive question bank, Regular content updates

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Quarterly | $6.99 | per 3 months |
| Premium Yearly | $19.99 | per year |


### CDL Prep 2026

[App page](https://appshunter.io/ios/app/cdl-prep-2026/id6756681772)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CDL Prep Monthly | $19.99 | per month |
| CDL Prep Yearly | $24.99 | per year |
| CDL Prep Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is ISTQB Exam Simulator free?

ISTQB Exam Simulator is free to download, with in-app purchases available.

### Is CDL Prep 2026 free?

CDL Prep 2026 is free to download, with in-app purchases available.

### Do ISTQB Exam Simulator or CDL Prep 2026 have ads?

Neither ISTQB Exam Simulator nor CDL Prep 2026 shows ads.

### Which is updated more often, ISTQB Exam Simulator or CDL Prep 2026?

ISTQB Exam Simulator ships an update every 2 months, and CDL Prep 2026 every 3 weeks. Most recently, ISTQB Exam Simulator was updated on November 7, 2026 and CDL Prep 2026 on November 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.*