# Tudao Robot vs OpusTranslator

The clearest difference is in-app purchases: Tudao Robot at none against OpusTranslator's 2. Tudao Robot also leads on update cadence (fortnightly vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. OpusTranslator sells 2 in-app purchases, starting at $4.99 per month. Tudao Robot asks for nothing beyond the download.

Tudao Robot ships an update fortnightly, OpusTranslator every 6 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tudao Robot | OpusTranslator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/tudao-robot/id1473081611/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 130 MB | 31 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州途道信息科技有限公司](https://appshunter.io/developer/1228572324) | [Khin Say VOONG](https://appshunter.io/developer/1896427364) |

## What reviewers say

### Tudao Robot

[App page](https://appshunter.io/ios/app/tudao-robot/id1473081611)

This utility app allows users to control programmable robots using visual block-based coding. It offers guided assembly instructions and enables robot movement through custom programs.

**Highlights:** Robot movement control (forward, backward, turns), Block-based programming with Blockly, Assembly and installation guidance, Visual programming interface

**Features:** macOS Compatibility

**In-app purchases:** none


### OpusTranslator

[App page](https://appshunter.io/ios/app/opustranslator/id6767215941)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Tudao Robot free?

Tudao Robot is free to download, with no in-app purchases.

### Is OpusTranslator free?

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

### Do Tudao Robot or OpusTranslator have ads?

Neither Tudao Robot nor OpusTranslator shows ads.

### Which is updated more often, Tudao Robot or OpusTranslator?

Tudao Robot ships an update fortnightly, and OpusTranslator every 6 weeks. Most recently, Tudao Robot was updated on October 24, 2026 and OpusTranslator on October 14, 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.*