HiMemo vs Sukekenn
Price, ratings, monetisation and update history for both apps, side by side — 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.
Sukekenn
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Sukekenn helps you find the right time to meet, plan, travel, and stay organized with the people around you. Share schedules with friends, compare availability, and quickly find free time that works for everyone. Whether you are planning a meetup, managing daily tasks, organizing a trip, or coordinating group plans, Sukekenn brings everything into one shared calendar experience. Main features: - Shared calendar for friends and groups - Find common free time automatically - Create personal, group, and public plans - Manage tasks, timetables, shifts, and reminders - Chat with friends and groups - Plan trips with routes, flights, maps, and travel notes - Track expenses and split trip costs - Import schedules from text, images, and handwriting with AI - Calendar widgets and alarm support Sukekenn is built for everyday planning: school, work, travel, friendships, and the small plans that are easy to forget. Keep your schedule clear, share only what you need, and turn “sometime” into an actual date.
Screenshots
Verdict
The clearest difference is ads: HiMemo at none against Sukekenn's shown. HiMemo also leads on iOS requirement (13.0 vs 15.6). Sukekenn's advantage is update cadence (every 3 days vs every 19 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HiMemo ships an update every 19 months, Sukekenn every 3 days. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.
| Parameter | HiMemo | Sukekenn |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 19 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 30 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | Hiroyuki Kawai | HAYATO OGAWA |
In-app purchases
HiMemo
No in-app purchases
Sukekenn
No in-app purchases









