Comparison

4=10 vs 2 Sides Challenge

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

Head to head
About

4=10

A casual number puzzle game for all ages. Combine four given numbers using basic math operations to reach the target of 10. It offers a relaxing experience that improves mental math skills and number familiarity.

Highlights
  • Combine four numbers to equal 10
  • Basic math operations
  • Gradually increasing difficulty
  • One-handed play
  • Improves mental math skills
  • Relaxing and soothing gameplay
Features
Read full description

4=10 is a simple number puzzle game suitable for all ages. The objective is to use four given numbers and combine them in an expression that equals 10. For example, you can solve it by adding 1, 2, 3, and 4 together (1+2+3+4=10). The game relies on basic math operations and starts off easy, gradually increasing in difficulty. It's designed to be a relaxed and soothing experience. You can play it with just one hand, using your phone whenever and wherever you like. By playing this game, you'll become more comfortable with numbers and improve your basic math skills, including mental calculations, using parentheses, and following the correct order of operations. Enjoy the game and happy calculating! :)

About

2 Sides Challenge

Read full description

Think you can control both sides at once? 2 Sides Challenge is a fast two-hand reflex game that looks simple — until both sides start demanding your attention. Use your left and right hands at the same time to connect matching shapes before time runs out. The longer you survive, the harder it gets. HOW TO PLAY • Control both sides at the same time • Connect the matching shapes • React before the timer runs out • Stay focused as the challenge gets harder • Beat your high score • Climb the global leaderboard It takes seconds to understand — and a lot longer to master. Test your reflexes. Challenge your coordination. Then hand the phone to a friend and see who can last longer. How long can you keep both sides under control?

Screenshots

4=104 screens
2 Sides Challenge2 screens

Verdict

The call

The clearest difference is in-app purchases: 2 Sides Challenge at none against 4=10's 1. 2 Sides Challenge also leads on update cadence (every 10 days vs every 2 months). 4=10's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads 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. 4=10 sells 1 one-off in-app purchase. 2 Sides Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

4=10 ships an update every 2 months, 2 Sides Challenge every 10 days. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
4=10 versus 2 Sides Challenge: the parameters behind the verdict, then further details
Parameter4=102 Sides Challenge
PriceFreeFree
Rating4.9 (2.6K ratings) — better—
Positive reviews97.9% of reviews—
Number of ratings2.6K — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size33 MB6 MB
Age rating4+4+
DeveloperSveinn SteinarssonDmitrii Nikolaev

Bugs and requests

4=10

Reported bugs

1 issue
  • None reported

Requested features

2 requests
  • Add more difficulty levels
  • Introduce new gameplay modes

2 Sides Challenge

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

4=10

One-time1
  • 4≠10 add-on$3.99
None

2 Sides Challenge

No in-app purchases

Questions

Is 4=10 free?
4=10 is free to download, with in-app purchases available.
Is 2 Sides Challenge free?
2 Sides Challenge is free to download, with no in-app purchases.
Do 4=10 or 2 Sides Challenge have ads?
Neither 4=10 nor 2 Sides Challenge shows ads.
Which is updated more often, 4=10 or 2 Sides Challenge?
4=10 ships an update every 2 months, and 2 Sides Challenge every 10 days. Most recently, 4=10 was updated on October 17, 2026 and 2 Sides Challenge on October 16, 2026.

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