メモリマ vs Random Picker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
メモリマ
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一見するとただのメモアプリですが、これは昔のメモと再会できるアプリです。メモ×リマインダーで「メモリマ」です。 トピック名を設定し、トピック毎にメモをしていきます。通知設定をしていれば、一日一回昔のメモを"メモ単位"で知らせてくれます。 使い方は千差万別。私は読書メモに使っています。読書した内容を忘れたくないのでメモするのですが、見返すことがほとんど無いことに気付きました。 でもこのアプリなら、忘れた頃に通知してくれるので当時のメモと再会できます。 昔のメモも、成長した今見たら新たな発見があるかも? ぜひ使ってみてください!
Random Picker
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Random Idea is an app that lets you save your ideas instantly. The ideas added to your list can be viewed anytime and selected randomly. Whether you’re stuck for ideas in everyday life, need business inspiration, or can’t decide what to cook, this app covers a wide range of uses.\n\nFeatures:\n\n• Save ideas with a tap\n• View saved ideas in a list\n• Randomly pick ideas\n• Easily delete ideas\n• Perfect for those seeking inspiration or new ideas\n\nThis app is helpful for building business plans, organizing creative ideas, or choosing daily meal plans. When planning an art project or a new venture, you won’t have to worry. Random ideas pulled from the app will guide your next big step. With a clean interface, users of all ages can navigate the app effortlessly.
Screenshots
Verdict
The clearest difference is in-app purchases: メモリマ at none against Random Picker's 2. メモリマ also leads on update cadence (daily vs every 13 months) and iOS requirement (12.0 vs 15.0). On price, ads 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
Both are free to download. Random Picker sells 2 in-app purchases, starting at $4.99 per month. メモリマ asks for nothing beyond the download.
メモリマ ships an update daily, Random Picker every 13 months. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.
| Parameter | メモリマ | Random Picker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 13 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 48 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryutaro Okada | kota tada |
In-app purchases
メモリマ
No in-app purchases
Random Picker
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$49.991 Year









