# Synthiam ARC vs VibeBlocks

The clearest difference is rating: Synthiam ARC at 4.4 against VibeBlocks's 3.6. Synthiam ARC also leads on in-app purchases (none vs 5) and ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. VibeBlocks sells 5 one-off in-app purchases. Synthiam ARC asks for nothing beyond the download.

Synthiam ARC holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Synthiam ARC ships an update every 8 days, VibeBlocks every 2 weeks. The most recent releases landed on September 30, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Synthiam ARC | VibeBlocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/synthiam-arc/id963055524/reviews)** | [3.6 (7 ratings)](https://appshunter.io/ios/app/vibeblocks-ai-coding-lab/id1477837489/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 203 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synthiam Inc.](https://appshunter.io/developer/963055523) | [Hayeon Jeong](https://appshunter.io/developer/6804959386) |

## What reviewers say

### Synthiam ARC

[App page](https://appshunter.io/ios/app/synthiam-arc/id963055524)

Control your Synthiam-compatible robot remotely from your iPhone or iPad. This app allows you to load projects created on a PC, offering features like visual programming, movement controls, and autonomous navigation.

**Highlights:** Remote robot control, Visual programming (RoboScratch, Blockly), Movement controls, WiiMote emulator, Audio recording and playback, Streaming audio/video, Autonomous navigation

**Features:** macOS Compatibility

**In-app purchases:** none


### VibeBlocks

[App page](https://appshunter.io/ios/app/vibeblocks-ai-coding-lab/id1477837489)

This app offers a mobile-first solution for learning maker coding without a computer. It allows users to simulate and test Arduino projects, compile code directly, and learn through interactive block coding games and missions. Designed for both students and teachers, it supports various kits and provides comprehensive guidance.

**Highlights:** Computer-free Arduino project creation, Smartphone-based block coding, Circuit diagram identification and assembly guidance, Code simulation and direct Arduino compilation, Interactive coding games and missions, Teacher guidance and class materials, Support for multiple maker kits

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MAKE Basic 멤버십 1개월 | $0.99 | one-time |
| MAKE monthly ticket | $1.99 | one-time |
| Premium 멤버쉽 1개월 | $2.99 | one-time |
| MAKE Premium 멤버쉽 3개월 | $7.99 | one-time |
| MAKE Premium 멤버쉽 6개월 | $10.99 | one-time |


## Frequently asked questions

### Is Synthiam ARC free?

Synthiam ARC is free to download, with no in-app purchases.

### Is VibeBlocks free?

VibeBlocks is free to download, with in-app purchases available.

### Which has better reviews, Synthiam ARC or VibeBlocks?

Synthiam ARC is rated higher. Synthiam ARC averages 4.4 out of 5 from 8 ratings, while VibeBlocks averages 3.6 from 7 ratings.

### Do Synthiam ARC or VibeBlocks have ads?

VibeBlocks shows ads; Synthiam ARC does not.

### Which is updated more often, Synthiam ARC or VibeBlocks?

Synthiam ARC ships an update every 8 days, and VibeBlocks every 2 weeks. Most recently, Synthiam ARC was updated on September 30, 2026 and VibeBlocks on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*