Minus vs Number Memory 25
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Minus
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In the game, children learn simple subtraction problems with numbers up to 30. The objective is to find matching cards, and the game is easy to understand and play for everyone. For example, the card with “18-3” needs to be matched with the card showing “15.” When a card is flipped, the equation or result is read aloud. Memory games are an excellent learning tool because they combine play and learning in an engaging way. The game strengthens children’s concentration and memory while also training their ability to recognize patterns and make connections. This happens in a fun and natural way, where repetition doesn’t feel boring. The interactive approach makes it easier to maintain children’s attention and helps turn learning into a positive and motivating experience. The game is part of a series of educational games for children aged 3–10. These games make learning the alphabet, numbers, words, and much more fun.
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 in-app purchases: Minus at none against Number Memory 25's 1. Number Memory 25's advantage is update cadence (every 3 weeks vs every 34 months) and price ($0.99 vs $1.99). On ads, 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
Minus costs $1.99 and Number Memory 25 $0.99 up front. Number Memory 25 sells 1 one-off in-app purchase. Minus asks for nothing beyond the download.
Minus ships an update every 34 months, Number Memory 25 every 3 weeks. The most recent releases landed on September 15, 2026 and September 2, 2026 respectively.
| Parameter | Minus | Number Memory 25 |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | — | 5.0 (5 ratings) — better |
| Number of ratings | — | 5 — better |
| Update frequency | Every 34 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Anders Peter Amsnaes | T&T United Inc. |
In-app purchases
Minus
No in-app purchases
Number Memory 25
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