Comparison

The Impossible Guessing Game vs 4=10

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

Head to head
About

The Impossible Guessing Game

A deceptively simple yet challenging guessing game that tests your decision-making skills. It's designed to be easy to learn but difficult to master, offering a unique test of wit. Good luck!

Highlights
  • Simple gameplay
  • Challenging difficulty
  • Decision-making test
  • Unique game concept
Features
Read full description

The simplest and yet the most impossible game ever! Good luck!

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! :)

Screenshots

The Impossible Guessing Game1 screens
4=104 screens

Verdict

The call

The clearest difference is review sentiment: 4=10 at 98% against The Impossible Guessing Game's 29%. 4=10 also leads on rating (4.9 vs 4.0) and update cadence (every 2 months vs every 21 months). The Impossible Guessing Game's advantage is in-app purchases (none vs 1) and iOS requirement (8.0 vs 12.0). On price, ads 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. 4=10 sells 1 one-off in-app purchase. The Impossible Guessing Game asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

4=10 holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: 4=10 has 2.6K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 29% of The Impossible Guessing Game's written reviews are positive against 98% of 4=10's.

UpkeepUpdate frequency

The Impossible Guessing Game ships an update every 21 months, 4=10 every 2 months. Both last shipped on October 23, 2026.

Scorecard7 real differences · 3 level
The Impossible Guessing Game versus 4=10: the parameters behind the verdict, then further details
ParameterThe Impossible Guessing Game4=10
PriceFreeFree
Rating4.0 (27 ratings)4.9 (2.6K ratings) — better
Positive reviews28.6% of reviews97.9% of reviews — better
Number of ratings272.6K — better
Update frequencyEvery 21 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size9 MB33 MB
Age rating4+4+
DeveloperGammaLateral LLCSveinn Steinarsson

Customer experience

The Impossible Guessing Game

All ratings27 ratings
Positive74.1%
Neutral7.4%
Negative18.5%
Written reviews21 reviews
Positive28.6%
Neutral4.8%
Negative66.7%

4=10

All ratings2,644 ratings
Positive99.4%
Neutral0.3%
Negative0.3%
Written reviews377 reviews
Positive97.9%
Neutral1.3%
Negative0.8%

Bugs and requests

The Impossible Guessing Game

Not enough reviews yet to summarise bugs or requests.

4=10

Reported bugs

1 issue
  • None reported

Requested features

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

In-app purchases

None

The Impossible Guessing Game

No in-app purchases

1 purchases

4=10

One-time1
  • 4≠10 add-on$3.99

Questions

Is The Impossible Guessing Game free?
The Impossible Guessing Game is free to download, with no in-app purchases.
Is 4=10 free?
4=10 is free to download, with in-app purchases available.
Which has better reviews, The Impossible Guessing Game or 4=10?
4=10 is rated higher. The Impossible Guessing Game averages 4.0 out of 5 from 27 ratings, while 4=10 averages 4.9 from 2.6K ratings.
Do The Impossible Guessing Game or 4=10 have ads?
Neither The Impossible Guessing Game nor 4=10 shows ads.
Which is updated more often, The Impossible Guessing Game or 4=10?
The Impossible Guessing Game ships an update every 21 months, and 4=10 every 2 months. Most recently, The Impossible Guessing Game was updated on October 23, 2026 and 4=10 on October 23, 2026.

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