チャイム vs Tomo Memo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
チャイム
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Use the chimes you often heard in your student days as an alarm clock or to mark study breaks and refresh your mind. Even as an adult, it might bring back memories. You can specify the year, month, day, hour, and minute, and set it to repeat on certain days of the week.
Tomo Memo
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Tomo Memo is a personal profile notebook for the people who matter to you. Birthdays, favorite things, last conversations, meetups, and gift history—keep the small details you want to remember in one place. Before you meet again or reach out after a while, you can quickly check the details and pick up right where you left off. It is useful for remembering a friend's kids, conversations with other parents, someone you have not seen in a while, or the little context that makes the next message easier. While the default experience is still friend-focused, the app is also flexible enough for other uses, like fandom tracking, pet care notes, or lightweight client management. ### What you can do - Keep important dates like birthdays and anniversaries in one place - Stay connected with gentle reminders (see who you haven’t contacted recently) - Keep conversation hints in profiles (likes, dislikes, recent updates) - Save meetup history (date, place, topics) to connect the next time - Track gifts to make the next one easier to choose - Organize by groups (tags) like family, work, friends ### Recommended for - Anyone who wants to remember friends’ kids’ ages and when you last met - Anyone who wants to plan the next meetup or gift based on the last conversation - Anyone who wants to keep relationships going naturally—even with people they see only occasionally
Screenshots
Verdict
The clearest difference is in-app purchases: チャイム at none against Tomo Memo's 1. Tomo Memo's advantage is update cadence (every 5 days vs monthly) and device support (3 vs 1). On price and ads 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. Tomo Memo sells 1 one-off in-app purchase. チャイム asks for nothing beyond the download.
チャイム ships an update monthly, Tomo Memo every 5 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | チャイム | Tomo Memo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 26 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | kouji kawai | HARUKARY |
In-app purchases
チャイム
No in-app purchases
Tomo Memo
- Remove Ads (Lifetime)$4.99









