Number Memory 25 vs Memorize Prime Numbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Number Memory 25
This brain training app helps improve memory by challenging users to memorize and recall sequences of numbers. Regular, short practice sessions can enhance visual memory and cognitive skills.
- Memorize and recall number sequences
- Visual memory training
- Daily 30-second practice
- Progressive difficulty
- Simple, challenging gameplay
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Can't remember your phone number? Can't remember your postal code? If you've had these experiences, you may be experiencing a decline in memory! This is a simple but challenging brain training app for those who want to improve their memory. By repeating it once a day for 30 seconds for a week, you can train your memory. The rules are simple. First, quickly memorize the numbers displayed. Then, recall and input the numbers in order. The numbers are not displayed for a long time. Let's use visual memory to quickly memorize the numbers! So, how many numbers can you remember?
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.
- Memorize hundreds of prime numbers
- Learn a provided memorization method
- Focus on prime number recall
- Suitable for quick learning
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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.
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Verdict
The clearest difference is rating: Number Memory 25 at 5.0 against Memorize Prime Numbers's 3.0. Number Memory 25 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 10 months). Memorize Prime Numbers's advantage is in-app purchases (none vs 1). On ratings volume, device support 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
Number Memory 25 costs $0.99 and Memorize Prime Numbers $4.99 up front. Number Memory 25 sells 1 one-off in-app purchase. Memorize Prime Numbers asks for nothing beyond the download.
Number Memory 25 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively.
Number Memory 25 ships an update every 3 weeks, Memorize Prime Numbers every 10 months. The most recent releases landed on September 2, 2026 and September 19, 2026 respectively.
| Parameter | Number Memory 25 | Memorize Prime Numbers |
|---|---|---|
| Price | $0.99 — better | $4.99 |
| Rating | 5.0 (5 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 10 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 3 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | T&T United Inc. | Oscar Tsang |
Customer experience
Number Memory 25
Memorize Prime Numbers
In-app purchases
Number Memory 25
- Unlock AllFree
Memorize Prime Numbers
No in-app purchases
Questions
Is Number Memory 25 free?
Is Memorize Prime Numbers free?
Which has better reviews, Number Memory 25 or Memorize Prime Numbers?
Do Number Memory 25 or Memorize Prime Numbers have ads?
Which is updated more often, Number Memory 25 or Memorize Prime Numbers?
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