Ninimaths vs Number Memory 25
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ninimaths
Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.
- Multiple calculation modes (add, subtract, multiply, divide, mix)
- Customizable number ranges (1-5 digits)
- Column display format
- Daily score recording and graphing
- Game Center ranking
- Time trial mode
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Ninimaths is an application to train mental arithmetic ability. Characteristic: - Selection from 5 modes of calculation, addition, subtraction, multiplication, division, mixing - 1 to 5 digit numbers can be freely combined - Corresponds to display in the column format - Daily scores are recorded for each mode and displayed on the graph - Ranking function by Game Center - Time trial to measure strictly
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?
Screenshots
Verdict
The clearest difference is price: Ninimaths at Free against Number Memory 25's $0.99. Ninimaths also leads on ratings volume (45 vs 5) and iOS requirement (13.0 vs 15.0). Number Memory 25's advantage is update cadence (every 3 weeks vs every 2 months). On rating, ads, in-app purchases 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
Ninimaths is free to download; Number Memory 25 costs $0.99 up front. Ninimaths sells 3 one-off in-app purchases and Number Memory 25 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Ninimaths against 5.0 for Number Memory 25. That said, the two scores are not equally well evidenced: Ninimaths has 45 ratings behind it against 5, so its average is the more settled of the two.
Ninimaths ships an update every 2 months, Number Memory 25 every 3 weeks. The most recent releases landed on September 29, 2026 and September 15, 2026 respectively.
| Parameter | Ninimaths | Number Memory 25 |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (45 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 97.4% of reviews | — |
| Number of ratings | 45 — better | 5 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Ninicode | T&T United Inc. |
Customer experience
Ninimaths
Number Memory 25
In-app purchases
Ninimaths
- Coffee$0.99
- Hamburger$1.99
- Ramen$4.99
Number Memory 25
- Unlock AllFree
Questions
Is Ninimaths free?
Is Number Memory 25 free?
Which has better reviews, Ninimaths or Number Memory 25?
Do Ninimaths or Number Memory 25 have ads?
Which is updated more often, Ninimaths or Number Memory 25?
Other comparisons
