Comparison

2357P vs Number Master

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

Head to head
About

2357P

A simple number-based game where players decompose and compose numbers using prime bases 2, 3, 5, and 7. Aim to achieve higher scores and compete on the Game Center leaderboard.

Highlights
  • Number decomposition
  • Number composition
  • Prime number bases (2, 3, 5, 7)
  • Score-based gameplay
  • Game Center leaderboard integration
Read full description

2357P — Small factors. Big challenge. Break numbers into prime factors before time runs out. Tap or swipe the colorful tiles to build your answer, find your rhythm, and see how far you can climb. Start with 2, 3, 5, and 7. When another prime appears, use the p tile. The rules are simple, but quick thinking makes all the difference. • Race the clock with fast, focused rounds. • Chain quick solves to enter fever and climb faster. • Earn bonuses as you keep solving. • Challenge your personal best and compete on the Game Center global leaderboard. • Share your score as an image, including your global rank when available. • Enjoy a clean, colorful interface on iPhone and iPad. Completely free, with no ads or in-app purchases. How far can your factors take you?

About

Number Master

Features
Read full description

NUMBER MASTER: Brain Training - The Ultimate Number Master! Welcome to Number Master, the most comprehensive brain training game collection designed to sharpen your mindand enhance your logical thinking skills. With over 8 unique game modes, this app is the perfect mental gym to improve your mental math speed, concentration, and problem-solving abilities. Get ready to test your limits and have fun! *** Top Game Modes (The Core Experience) Each game in Number Master is focused on developing a specific mathematical or logic skill: 1. Battle Arena (Math Quiz): Answer rapid-fire Addition, Subtraction, Multiplication, and Division problems in just 5 seconds. Challenge your fast calculation skills and accuracy under time pressure. 2. Sudoku: Master Logic and deductive reasoning with Easy, Medium, and Hard difficulty levels. 3. Make 10: Combine 4 given numbers to reach a total of 10 using basic operations. Develop creative thinking and arithmetic combinations. 4. Connect Sums (Number Link): Connect cells that add up to the same target sum within a time limit. Enhances observation and quick mental math. 5. Order Nine: Tap the numbers from 1 to 9 (or 9 to 1) in correct sequential order. Tests speed, agility, and concentration. 6. Speed Math: Solve a stream of simple equations one after another, with only 1 second per problem. The ultimate speed test. 7. Number Rain: Quickly calculate and tap the correct answer as it falls from the sky. Improves multi-tasking concentration. 8. Number Tower, 2048, & Target Sum: Classic strategy and Puzzle games that require patience, forward-thinking, and deep strategic planning. *** Key Features for Optimal Brain Training * Diverse Puzzle Collection: From high-speed Logic challenges to deep Sudoku and 2048 strategy games. * Fibonacci Bonus System: Adds a layer of competitiveness and motivation for players who answer questions correctly in a row. * Highscore Tracking: Automatically saves your best scores for every single game mode. * Dark Mode Support: Protects your eyes and provides a comfortable gaming experience in low-light conditions. * Relaxing Background Music (BGM): Helps you stay focused and immersed during your Brain Trainingsessions. * Multilingual Support: Enjoy the game in your preferred language. Download Number Master: Brain Training today to challenge your mental capacity and become a true Math Master!

Screenshots

2357P4 screens
Number Master4 screens

Verdict

The call

The clearest difference is update cadence: Number Master at every 2 weeks against 2357P's every 15 months. Number Master also leads on iOS requirement (13.0 vs 17.0). 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

2357P ships an update every 15 months, Number Master every 2 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 7 level
2357P versus Number Master: the parameters behind the verdict, then further details
Parameter2357PNumber Master
PriceFreeFree
Rating3.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 15 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size1 MB63 MB
Age rating4+12+
DeveloperYuantong LuNguyen Pham Tuan Hoang

In-app purchases

None

2357P

No in-app purchases

None

Number Master

No in-app purchases

Questions

Is 2357P free?
2357P is free to download, with no in-app purchases.
Is Number Master free?
Number Master is free to download, with no in-app purchases.
Do 2357P or Number Master have ads?
Neither 2357P nor Number Master shows ads.
Which is updated more often, 2357P or Number Master?
2357P ships an update every 15 months, and Number Master every 2 weeks. Most recently, 2357P was updated on October 24, 2026 and Number Master on October 14, 2026.

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