# NodeJS Programming Guide vs ISTQB Performance Testing

The clearest difference is price: ISTQB Performance Testing at Free against NodeJS Programming Guide's $0.99. ISTQB Performance Testing also leads on update cadence (every 2 months vs every 14 months). NodeJS Programming Guide's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

ISTQB Performance Testing is free to download; NodeJS Programming Guide costs $0.99 up front. ISTQB Performance Testing sells 2 in-app purchases, starting at $9.99 per month. NodeJS Programming Guide asks for nothing beyond the download.

NodeJS Programming Guide ships an update every 14 months, ISTQB Performance Testing every 2 months. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | NodeJS Programming Guide | ISTQB Performance Testing |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Size | 30 MB | 9 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Saqib Masood](https://appshunter.io/developer/1555852546) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### NodeJS Programming Guide

[App page](https://appshunter.io/ios/app/nodejs-programming-guide/id6720726313)

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

**In-app purchases:** none


### ISTQB Performance Testing

[App page](https://appshunter.io/ios/app/istqb-performance-testing/id6738596798)

**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 NodeJS Programming Guide free?

NodeJS Programming Guide costs $0.99, with no in-app purchases.

### Is ISTQB Performance Testing free?

ISTQB Performance Testing is free to download, with in-app purchases available.

### Do NodeJS Programming Guide or ISTQB Performance Testing have ads?

Neither NodeJS Programming Guide nor ISTQB Performance Testing shows ads.

### Which is updated more often, NodeJS Programming Guide or ISTQB Performance Testing?

NodeJS Programming Guide ships an update every 14 months, and ISTQB Performance Testing every 2 months. Most recently, NodeJS Programming Guide was updated on October 12, 2026 and ISTQB Performance Testing on October 27, 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.*