Palace Walk vs Number Memory 25
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Palace Walk
Train your memory using the Memory Palace technique. This app provides an easy way to practice the Method of Loci, useful for studying, memorizing lists, and improving recall.
- Memory Palace training
- Method of Loci practice
- Journey Method exercises
- Useful for studying
- Helps memorize lists
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Palace Walk allows you to practice memory techniques known as the Memory Palace, Mind Palace, Method of loci, or Journey Method. Due to the usefulness of this memory technique, many famous people have professed or introduced its use, but there has been no easy way to train it. Palace Walk is an app that aims to make it easy for anyone to train this memory technique. It can be used to study for exams and certifications, and is also useful for memorizing small shopping lists. Now supports Apple Watch. Add it to your watch face to check the time while effortlessly practicing number memory throughout the day.
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: Palace Walk at Free against Number Memory 25's $0.99. Palace Walk also leads on in-app purchases (none vs 1) and ratings volume (17 vs 5). Number Memory 25's advantage is ads (none vs shown) and rating (5.0 vs 4.6). On update cadence, 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
Palace Walk is free to download; Number Memory 25 costs $0.99 up front. Number Memory 25 sells 1 one-off in-app purchase. Palace Walk asks for nothing beyond the download.
Number Memory 25 holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 17 and 5 respectively.
Palace Walk ships an update fortnightly, Number Memory 25 every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | Palace Walk | Number Memory 25 |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.6 (17 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 81.0% of reviews | — |
| Number of ratings | 17 — better | 5 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Mac |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomoya Furubori | T&T United Inc. |
Customer experience
Palace Walk
Number Memory 25
In-app purchases
Palace Walk
No in-app purchases
Number Memory 25
- Unlock AllFree
Questions
Is Palace Walk free?
Is Number Memory 25 free?
Which has better reviews, Palace Walk or Number Memory 25?
Do Palace Walk or Number Memory 25 have ads?
Which is updated more often, Palace Walk or Number Memory 25?
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