HiMemo vs M
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
HiMemo
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For example, information that has a hierarchical structure, such as information linked to regions or division of organization, that is, information that has multiple children dangling from a parent and overlaps with grandchildren and grandchildren. Is unexpectedly large. Usually, such information is recorded in a memo application in bullet points, but adding and editing information is surprisingly troublesome, and there was a problem that the hierarchical relationship collapses if careless. With HiMemo, you can record information hierarchically with simple operations, and you can also add or modify. It is also possible to export to other apps and SNS in a tree view mode that gives a bird's eye view of the whole, or in plain text format or HTML format.
M
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You can write your own memo to each mp3 file in the cloud shared by your members, and share it via e-mail. Notes can be shared for a single song or for a folder. This is a great way to communicate with your band members, or with a video director or producer in the middle of a shoot, without interrupting their time. You can also jot down notes on touring equipment and ideas while listening to mp3s in your spare time.
Screenshots
Verdict
The clearest difference is price: HiMemo at Free against M's $1.99. HiMemo also leads on iOS requirement (13.0 vs 15.0). M's advantage is update cadence (every 5 months vs every 19 months). On 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
HiMemo is free to download; M costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HiMemo ships an update every 19 months, M every 5 months. Both last shipped on November 3, 2026.
| Parameter | HiMemo | M |
|---|---|---|
| Price | Free â better | $1.99 |
| Update frequency | Every 19 months | Every 5 months â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod â better | iPhone, iPod |
| Requires iOS | 13.0 â better | 15.0 |
| Further details â not scored | ||
| Size | 30 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroyuki Kawai | SEQ Inc. |
In-app purchases
HiMemo
No in-app purchases
M
No in-app purchases









