Comparison

MemTrainer vs rare numbers

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

Head to head
About

MemTrainer

Features
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This game trains your memory by having you recall tiles that have just been displayed. In each round, different tiles will be shown, then flipped face down. You will then need to specify the tiles you saw, using the keypad. You have to do that within a time limit. The keypad will slide away once the time expires. Points will be awarded as follows: - A point will be awarded for each tile matched - Double points will be awarded if you match all tiles in a set - Sometimes tiles will be rotating and upside down when presented, double points will be awarded for each of those that are matched Another round will begin and the cycle repeats until the game period of two minutes is over. You will advance to the next level if you achieve two rounds of exact matches. At every new level: - One additional tile will be displayed - More time will be allowed for keying in the tiles on the keypad - The game period is extended by two additional minutes every time you advance to a new level When the game is over, you will be prompted to select one of the following: - play again - submit score to leader board - show the leader board - quit You may also see the leader board at any time by clicking on the score.

About

rare numbers

Features
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this game started out as a joke. it's still that. but it's also fun. the revolutionary app for number enthusiasts. you open packs to collect rare numbers. guess which is most rarest. you spin the penny slot for singles. you sell numbers you donโ€™t want. trade your numbers. share your numbers. battle with your numbers. climb the leaderboard. chatgpt said it's got 'strategy if you squint'.

Screenshots

MemTrainer3 screens
rare numbers4 screens

Verdict

The call

The clearest difference is update cadence: rare numbers at every 4 months against MemTrainer's every 57 months. MemTrainer's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

MemTrainer ships an update every 57 months, rare numbers every 4 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

Scorecard2 real differences ยท 4 level
MemTrainer versus rare numbers: the parameters behind the verdict, then further details
ParameterMemTrainerrare numbers
PriceFreeFree
Update frequencyEvery 57 monthsEvery 4 months โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS11.0 โ€” better15.6
Further details โ€” not scored
Size8 MB13 MB
Age rating4+4+
DeveloperPOKKevin Griffing

In-app purchases

None

MemTrainer

No in-app purchases

None

rare numbers

No in-app purchases

Questions

Is MemTrainer free?
MemTrainer is free to download, with no in-app purchases.
Is rare numbers free?
rare numbers is free to download, with no in-app purchases.
Do MemTrainer or rare numbers have ads?
Both MemTrainer and rare numbers show ads.
Which is updated more often, MemTrainer or rare numbers?
MemTrainer ships an update every 57 months, and rare numbers every 4 months. Most recently, MemTrainer was updated on October 4, 2026 and rare numbers on October 1, 2026.

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