# eureka robot vs Koi

The clearest difference is update cadence: Koi at fortnightly against eureka robot's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

eureka robot ships an update every 5 weeks, Koi fortnightly. The most recent releases landed on October 16, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | eureka robot | Koi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (528 ratings)](https://appshunter.io/ios/app/eureka-robot/id1445966312/reviews)** | — |
| Number of ratings | **528** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 143 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robozone Technology Co.,Ltd.](https://appshunter.io/developer/1575334259) | [Peter Nickel](https://appshunter.io/developer/6796957510) |

## What reviewers say

### eureka robot

[App page](https://appshunter.io/ios/app/eureka-robot/id1445966312)

Control your robot vacuum cleaner remotely. Start, stop, schedule cleaning, and return to the docking station with ease. Free your hands from household chores and manage your robot's tasks efficiently through the app.

**Highlights:** Remote robot control, Start/stop cleaning, Return to docking station, Scheduling cleaning times, Receive user feedback

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Excellent cleaning performance
- 🧹 Efficient vacuuming and mopping
- 🤖 Smart mapping and navigation
- 🔋 Good battery life
- 🗑️ Convenient self-emptying feature

**What reviewers complain about**

- 🐛 Connectivity and app issues
- 🤖 Inconsistent mapping and navigation
- 🔒 Privacy concerns with required account
- 📵 Inability to use without app
- 🔇 Loud operation

**Reported bugs**

- App losing saved settings
- Frequent app crashes and sign-outs
- Mapping issues after room changes
- Inability to connect to new WiFi

**Requested features**

- Manual control during cleaning
- Ability to add/edit rooms
- Customizable cleaning schedules
- Improved object avoidance
- Battery percentage indicator


### Koi

[App page](https://appshunter.io/ios/app/koi-manager/id6796957508)

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

**In-app purchases:** none


## Frequently asked questions

### Is eureka robot free?

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

### Is Koi free?

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

### Do eureka robot or Koi have ads?

Neither eureka robot nor Koi shows ads.

### Which is updated more often, eureka robot or Koi?

eureka robot ships an update every 5 weeks, and Koi fortnightly. Most recently, eureka robot was updated on October 16, 2026 and Koi on October 3, 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.*