# Embedded Systems+ vs KTU SRC

The clearest difference is in-app purchases: KTU SRC at none against Embedded Systems+'s 6. KTU SRC also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Embedded Systems+ sells 6 in-app purchases, starting at $9.99 per month. KTU SRC asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Embedded Systems+ | KTU SRC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/embedded-systems-plus/id6746419209/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) | [XOLACEINC LTD](https://appshunter.io/developer/1878971999) |

## What reviewers say

### Embedded Systems+

[App page](https://appshunter.io/ios/app/embedded-systems-plus/id6746419209)

Master embedded systems with interactive quizzes covering architecture, programming, RTOS, and more. Features adaptive questions, detailed explanations, timed challenges, and progress tracking to enhance your skills.

**Highlights:** Adaptive quizzes tailored to skill level, Detailed explanations and references, Timed challenges for speed and accuracy, Progress tracking with analytics, Covers microcontrollers, RTOS, and C programming

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


### KTU SRC

[App page](https://appshunter.io/ios/app/ktu-src/id6759487105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Embedded Systems+ free?

Embedded Systems+ is free to download, with in-app purchases available.

### Is KTU SRC free?

KTU SRC is free to download, with no in-app purchases.

### Do Embedded Systems+ or KTU SRC have ads?

Neither Embedded Systems+ nor KTU SRC shows ads.

### Which is updated more often, Embedded Systems+ or KTU SRC?

Embedded Systems+ ships an update every 5 weeks, and KTU SRC every 5 weeks. Most recently, Embedded Systems+ was updated on September 17, 2026 and KTU SRC on September 23, 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.*