# Revolution Robotics vs PalmTutors 掌上学

The clearest difference is in-app purchases: Revolution Robotics at none against PalmTutors 掌上学's 2. PalmTutors 掌上学's advantage is ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. PalmTutors 掌上学 sells 2 one-off in-app purchases. Revolution Robotics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Revolution Robotics against 5.0 for PalmTutors 掌上学. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Revolution Robotics ships an update every 5 weeks, PalmTutors 掌上学 every 2 months. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Revolution Robotics | PalmTutors 掌上学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/revolution-robotics/id1473280499/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/palmtutors/id1487906148/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 113 MB | 73 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STEAM ACADEMY LIMITED](https://appshunter.io/developer/1463934315) | [Oneplus Smartware](https://appshunter.io/developer/1104737575) |

## What reviewers say

### Revolution Robotics

[App page](https://appshunter.io/ios/app/revolution-robotics/id1473280499)

Build, code, and program robots with this app. It offers comprehensive guides and supports open-source designs, allowing for endless robotic adventures. Connect your Challenge Kit via Bluetooth to control your creations.

**Highlights:** Build robots, Code robots, Program robots, Bluetooth connectivity, Comprehensive build guides, Open-source designs, Robot control

**Features:** macOS Compatibility

**In-app purchases:** none


### PalmTutors 掌上学

[App page](https://appshunter.io/ios/app/palmtutors/id1487906148)

This app provides a virtual classroom for live online lessons, supporting both one-to-one and group sessions. It enables users to easily create their own online schools with interactive tools like real-time video and shared whiteboards.

**Highlights:** Virtual classroom for live lessons, One-to-one and one-to-many sessions, Real-time video conferencing, Shared interactive whiteboard, Easy online school creation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7日游门票 | $2.99 | one-time |
| 课程视频 | $6.99 | one-time |


## Frequently asked questions

### Is Revolution Robotics free?

Revolution Robotics is free to download, with no in-app purchases.

### Is PalmTutors 掌上学 free?

PalmTutors 掌上学 is free to download, with in-app purchases available.

### Which has better reviews, Revolution Robotics or PalmTutors 掌上学?

Revolution Robotics and PalmTutors 掌上学 are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Revolution Robotics or PalmTutors 掌上学 have ads?

Revolution Robotics shows ads; PalmTutors 掌上学 does not.

### Which is updated more often, Revolution Robotics or PalmTutors 掌上学?

Revolution Robotics ships an update every 5 weeks, and PalmTutors 掌上学 every 2 months. Most recently, Revolution Robotics was updated on October 2, 2026 and PalmTutors 掌上学 on October 12, 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.*