# DOBI1 vs T Nine

The clearest difference is review sentiment: DOBI1 at 100% against T Nine's 50%. DOBI1 also leads on rating (4.5 vs 4.2) and iOS requirement (8.2 vs 13.0). T Nine's advantage is ratings volume (13 vs 4). 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 4.2. Both are backed by a comparable volume of ratings — 4 and 13 respectively. Written reviews point the same way: 100% of DOBI1's written reviews are positive against 50% of T Nine's.

DOBI1 ships an update every 4 weeks, T Nine fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DOBI1 | T Nine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/dobi1/id1225084782/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/t-nine/id1465078867/reviews) |
| Number of ratings | 4 | **13** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 33 MB | 158 MB |
| Requires iOS | **8.2** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [月 张](https://appshunter.io/developer/1225084781) | [Robosen Robotics (ShenZhen) Co., Ltd.](https://appshunter.io/developer/1459364206) |

## 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


### T Nine

[App page](https://appshunter.io/ios/app/t-nine/id1465078867)

Control your T Nine robot via Bluetooth with a comprehensive remote. Explore a vast library of actions and utilize two programming functions to create custom experiences. Enjoy interactive play and unleash your creativity.

**Highlights:** Bluetooth remote control, Massive action library, Two programming functions, Customizable robot behavior, Interactive play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DOBI1 free?

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

### Is T Nine free?

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

### Which has better reviews, DOBI1 or T Nine?

DOBI1 is rated higher. DOBI1 averages 4.5 out of 5 from 4 ratings, while T Nine averages 4.2 from 13 ratings.

### Do DOBI1 or T Nine have ads?

Neither DOBI1 nor T Nine shows ads.

### Which is updated more often, DOBI1 or T Nine?

DOBI1 ships an update every 4 weeks, and T Nine fortnightly. Most recently, DOBI1 was updated on October 20, 2026 and T Nine on October 24, 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.*