Comparison

Rubik Solver vs Doupin

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Rubik Solver

Step-by-step solver

Free

🔧 Utilities

★ 1.01 ratingsView app →

About

Rubik Solver

This app provides step-by-step solutions for solving 3x3 Rubik's cubes. It offers both 2D and 3D visualizations of the cube and allows for manual input or automatic solving.

Highlights

Step-by-step solutions
3D cube visualization
2D cube visualization
Manual cube input
Automatic solving algorithms

Features

Read full description

Solve 3x3 Rubik's cubes with step-by-step solutions. Features 2D and 3D cube visualization, manual cube input, and automatic solving algorithms.

About

Doupin

Read full description

The companion app for the Monokaro Digital Fuse Bead Board. Connect to your bead board via Bluetooth to import bead patterns and control the designs displayed on the board.

Screenshots

Rubik Solver4 screens

Doupin4 screens

Verdict

The call

The clearest difference is update cadence: Doupin at every 2 days against Rubik Solver's every 3 months. Rubik Solver's advantage is iOS requirement (13.0 vs 16.6). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Rubik Solver ships an update every 3 months, Doupin every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level

Rubik Solver versus Doupin: the parameters behind the verdict, then further details
Parameter	Rubik Solver	Doupin
Price	Free	Free
Rating	1.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 3 months	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.0 — better	16.6
Further details — not scored
Size	29 MB	81 MB
Age rating	4+	4+
Developer	1576136 B.C. Ltd.	Shenzhen monokaro Technology CO., LTD

In-app purchases

None

Rubik Solver

No in-app purchases

None

Doupin

No in-app purchases

Questions

Is Rubik Solver free?

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

Is Doupin free?

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

Do Rubik Solver or Doupin have ads?

Neither Rubik Solver nor Doupin shows ads.

Which is updated more often, Rubik Solver or Doupin?

Rubik Solver ships an update every 3 months, and Doupin every 2 days. Most recently, Rubik Solver was updated on October 30, 2026 and Doupin on October 31, 2026.