Comparison

Codex Numbers vs Remember Faces Memory Test

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

Head to head
About

Codex Numbers

A logic puzzle game where players race to guess their opponent's secret code before they guess yours. Offers single-player against AI and online multiplayer modes with scoring and leaderboards.

Highlights
  • Secret code guessing gameplay
  • Single-player AI challenges
  • Online multiplayer with friends
  • Training mode for skill improvement
  • Game Center integration
  • Scoring and leaderboards
  • Timed online matches
Features
Read full description

If you are a fan of logic games, this is the right one for you which is a very addictive game you can play for hours. Today, challenge yourself, artificial intelligence, friends, and the world with this iOS top game app! You should try this game to improve your intelligence which is easy to learn. GOAL OF THE GAME Before your opponent finds your secret code you should find his/her secret code in minimum steps. RULES There are 2 simple rules of the game 1. GREEN color means that digit exist and its place is correct. 2. RED color means that digit exist but its place is incorrect. TRAINING You can determine your strength in training mode. The average number of guesses that you find computer's secret code determines your game power. As an example, if you find the secret code in 5 guesses in the first game and next you find the secret code in 6 guesses, then your game power will be 5.500 after two games. Your game power is sent to Game Center in training mode obtained after completion of 10 games. Your game power ranking will be updated as the best game power. Reaching success within 5 steps in Training mode will be listed in the Masters Club. Whenever you want, you can reset your training mode from the game settings. ARTIFICIAL INTELLIGENCE There are eight artificial intelligence players which are ranked from easy to difficult. You can play with the AI player of any level. You can also earn stars from AI players according to theirs level. For example You can earn 10 stars from Master for each win and 5 stars for each draw. ONLINE GAMES You can play the game by inviting your friends to Game Center. With Play Now option you can play with randomly selected opponents who are currently active. When you lose the connection or the opponent quits, you can continue to play with Artifical Intelligence player Master from where you left. At the end of the game the system gives rematching option with your opponent. If your opponent accepts the invitation then a new match starts. Thus you can play as many games as you want with the same opponent. You can earn points only through online game. In the three-digit game mode you may earn 3 points for each win and 1 point for each draw. But in the four-digit game mode you may earn 5 points for each win and 2 points for each draw. Your score will be updated in real time on Game Center score boards. There are some timing restrictions on online games. The limit for three-digits game is 5 minutes, and 7 minutes for four-digit game. The game is lost when time is up. Online games can be played when you have enough credits. In Shopping menu, you can earn 5 credits with the rewarded videos. If you want to play games without interruption and ads you can buy advantageous online game packages.

About

Remember Faces Memory Test

Test and improve your facial recognition memory. This game presents you with images of people's faces and challenges you to recall them accurately. Have fun while enhancing your cognitive abilities.

Highlights
  • Facial memory testing
  • Accuracy improvement
  • Image recall challenges
  • Cognitive skill enhancement
  • Fun gameplay
Features
Read full description

Memory Test: Do You Remember Faces ? Check the accuracy of your memory by remembering faces of people ! An app to check the accuracy of your memory by remembering images of faces of people. Have fun and improve your memory !

Screenshots

Codex Numbers4 screens
Remember Faces Memory Test4 screens

Verdict

The call

The clearest difference is rating: Remember Faces Memory Test at 4.7 against Codex Numbers's 1.0. Remember Faces Memory Test also leads on in-app purchases (none vs 4) and ratings volume (15 vs 1). Codex Numbers's advantage is update cadence (monthly vs every 16 months) and iOS requirement (15.0 vs 17.0). 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. Codex Numbers sells 4 one-off in-app purchases. Remember Faces Memory Test asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Remember Faces Memory Test holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Remember Faces Memory Test has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Codex Numbers ships an update monthly, Remember Faces Memory Test every 16 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

Scorecard6 real differences · 3 level
Codex Numbers versus Remember Faces Memory Test: the parameters behind the verdict, then further details
ParameterCodex NumbersRemember Faces Memory Test
PriceFreeFree
Rating1.0 (1 ratings)4.7 (15 ratings) — better
Number of ratings115 — better
Update frequencyMonthly — betterEvery 16 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size132 MB7 MB
Age rating4+4+
DeveloperAlaattin Bedirsebastian badea

Customer experience

Codex Numbers

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Remember Faces Memory Test

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%

In-app purchases

4 purchases

Codex Numbers

One-time4
  • Small Online Game Packet (1000 Games)$0.99
  • No Ads (Remove all ads)$1.99
  • Middle Online Game Package (3000 Games)$1.99
Show 1 more
  • Big Online Game Package (5000 Games)$2.99
None

Remember Faces Memory Test

No in-app purchases

Questions

Is Codex Numbers free?
Codex Numbers is free to download, with in-app purchases available.
Is Remember Faces Memory Test free?
Remember Faces Memory Test is free to download, with no in-app purchases.
Which has better reviews, Codex Numbers or Remember Faces Memory Test?
Remember Faces Memory Test is rated higher. Codex Numbers averages 1.0 out of 5 from 1 ratings, while Remember Faces Memory Test averages 4.7 from 15 ratings.
Do Codex Numbers or Remember Faces Memory Test have ads?
Both Codex Numbers and Remember Faces Memory Test show ads.
Which is updated more often, Codex Numbers or Remember Faces Memory Test?
Codex Numbers ships an update monthly, and Remember Faces Memory Test every 16 months. Most recently, Codex Numbers was updated on September 20, 2026 and Remember Faces Memory Test on September 15, 2026.

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