CellRobot vs Fill Up Bucket
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CellRobot
This application serves as the controller for a custom modular robot system. It enables users to build and program various robot configurations, fostering creativity and engineering knowledge through hands-on exploration. Requires the purchase of the robot hardware to function.
- Control custom modular robots
- Build hundreds of robot shapes
- Visual script programming
- Hands-on engineering exploration
- Inspires creativity
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This App is the controller of CellRobot. You have to buy the hardware of CellRobot first, then use this App to control. CellRobot is the most advanced custom modular robot, inspiring creativity & enforcing engineering knowledge through hand-on exploration. CellRobot is the first complete consumer robotics kit that allows you to build your very own robots. Feature: 1.CellRobot can be built into hundreds of different shapes. The only limitation is your imagination. 2.CellRobot using visual script programming to decrease the requirements of creating new robots into almost zero. 3.CellRobot provides hand-on experience for people to explore creativity and engineer knowledge. Please don’t hesitate to contact us at support at keyirobot.com if you have any questions or need help
Fill Up Bucket
A retro-style puzzle game where you draw lines to redirect water flow into buckets. It offers a simple yet challenging experience for players seeking a brain-teasing challenge.
- Retro LCD style graphics
- Draw lines to change water direction
- Simple yet challenging gameplay
- Puzzle-solving mechanics
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Old LCD style Puzzle game. Simply draw some lines to change water flowing direction. Let it flow into the buckets. It is simple but challenging.
Screenshots
Verdict
The clearest difference is price: CellRobot at Free against Fill Up Bucket's $5.00. CellRobot also leads on rating (5.0 vs 4.0) and ads (none vs shown). On ratings volume, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CellRobot is free to download; Fill Up Bucket costs $5.00 up front. Neither carries in-app purchases, so what you see is what you pay.
CellRobot holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
CellRobot ships an update every 6 weeks, Fill Up Bucket every 15 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.
| Parameter | CellRobot | Fill Up Bucket |
|---|---|---|
| Price | Free — better | $5.00 |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Positive reviews | — | 12.5% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 weeks — better | Every 15 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 142 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing KEYi Technology Co., Ltd. | Oscar Tsang |
Customer experience
CellRobot
Fill Up Bucket
In-app purchases
CellRobot
No in-app purchases
Fill Up Bucket
No in-app purchases
Questions
Is CellRobot free?
Is Fill Up Bucket free?
Which has better reviews, CellRobot or Fill Up Bucket?
Do CellRobot or Fill Up Bucket have ads?
Which is updated more often, CellRobot or Fill Up Bucket?
Other comparisons
