Comparison

Prime Cracker vs Memorize Prime Numbers

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

Head to head
About

Prime Cracker

This app helps users explore the fascinating world of prime numbers. It allows you to check if a number is prime, find its factors, and discover nearby primes. You can also analyze ranges of numbers for primes and twin primes.

Highlights
  • Determine primality and factors
  • Find prime position
  • Explore nearby primes
  • Check number ranges for primes
  • Identify twin primes
Read full description

• Determine a number's primality, factors or prime position • Explore nearby prime numbers conveniently • Check ranges of numbers for primes and twin primes

About

Memorize Prime Numbers

Learn to memorize hundreds of prime numbers within a week using a provided method. This app offers a unique approach to remembering these special numbers.

Highlights
  • Memorize hundreds of prime numbers
  • Learn a provided memorization method
  • Focus on prime number recall
  • Suitable for quick learning
Features
Read full description

Memory Pi digit is a competition. There are another type of number also good as memorize. Which is Prime Numbers. Prime Numbers is very special. But no easy to memory. Using our provided method, you are easy to remember hundreds of Prime number with a week. Try you will know.

Screenshots

Prime Cracker3 screens
Memorize Prime Numbers4 screens

Verdict

The call

The clearest difference is review sentiment: Prime Cracker at 100% against Memorize Prime Numbers's 50%. Prime Cracker also leads on rating (4.9 vs 3.0) and ads (none vs shown). On price, in-app purchases and iOS requirement 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.

ReceptionRating · Positive reviews · Number of ratings

Prime Cracker holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Prime Cracker has 33 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Prime Cracker's written reviews are positive against 50% of Memorize Prime Numbers's.

UpkeepUpdate frequency

Prime Cracker ships an update every 2 weeks, Memorize Prime Numbers every 14 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard7 real differences · 3 level
Prime Cracker versus Memorize Prime Numbers: the parameters behind the verdict, then further details
ParameterPrime CrackerMemorize Prime Numbers
PriceFreeFree
Rating4.9 (33 ratings) — better3.0 (2 ratings)
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings33 — better2
Update frequencyEvery 2 weeks — betterEvery 14 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better16.6
Further details — not scored
Size6 MB84 MB
Age rating4+4+
DeveloperSven FreitagOscar Tsang

Customer experience

Prime Cracker

All ratings31 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews13 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Memorize Prime Numbers

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

In-app purchases

None

Prime Cracker

No in-app purchases

None

Memorize Prime Numbers

No in-app purchases

Questions

Is Prime Cracker free?
Prime Cracker is free to download, with no in-app purchases.
Is Memorize Prime Numbers free?
Memorize Prime Numbers is free to download, with no in-app purchases.
Which has better reviews, Prime Cracker or Memorize Prime Numbers?
Prime Cracker is rated higher. Prime Cracker averages 4.9 out of 5 from 33 ratings, while Memorize Prime Numbers averages 3.0 from 2 ratings.
Do Prime Cracker or Memorize Prime Numbers have ads?
Memorize Prime Numbers shows ads; Prime Cracker does not.
Which is updated more often, Prime Cracker or Memorize Prime Numbers?
Prime Cracker ships an update every 2 weeks, and Memorize Prime Numbers every 14 months. Most recently, Prime Cracker was updated on October 24, 2026 and Memorize Prime Numbers on October 25, 2026.

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