# DOBI1 vs Letianpai

The clearest difference is review sentiment: DOBI1 at 100% against Letianpai's 0%. DOBI1 also leads on rating (4.5 vs 1.0) and ratings volume (4 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DOBI1 holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 100% of DOBI1's written reviews are positive against 0% of Letianpai's.

DOBI1 ships an update every 4 weeks, Letianpai every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DOBI1 | Letianpai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/dobi1/id1225084782/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/letianpai/id6502999694/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 33 MB | 76 MB |
| Requires iOS | **8.2** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [月 张](https://appshunter.io/developer/1225084781) | [北京人和家科技有限公司](https://appshunter.io/developer/1698843685) |

## What reviewers say

### DOBI1

[App page](https://appshunter.io/ios/app/dobi1/id1225084782)

Interact with robots by sending commands via Bluetooth. Control specific actions, download new routines, or use your phone as a gamepad for games like football or fighting. You can also update robot firmware and create custom movements.

**Highlights:** Control robot actions, Download robot routines, Phone as gamepad, Robot information, Firmware updates, Create custom actions

**Features:** macOS Compatibility

**In-app purchases:** none


### Letianpai

[App page](https://appshunter.io/ios/app/letianpai/id6502999694)

Control robots and integrate various sensors with this utility application. It allows for advanced customization and interaction with robotic hardware.

**Highlights:** Robot control, Sensor integration, Hardware interaction, Customization options

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DOBI1 free?

DOBI1 is free to download, with no in-app purchases.

### Is Letianpai free?

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

### Which has better reviews, DOBI1 or Letianpai?

DOBI1 is rated higher. DOBI1 averages 4.5 out of 5 from 4 ratings, while Letianpai averages 1.0 from 1 ratings.

### Do DOBI1 or Letianpai have ads?

Neither DOBI1 nor Letianpai shows ads.

### Which is updated more often, DOBI1 or Letianpai?

DOBI1 ships an update every 4 weeks, and Letianpai every 3 weeks. Most recently, DOBI1 was updated on November 2, 2026 and Letianpai on October 30, 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.*