DateCalcMemo ～ how many days vs MemoRing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DateCalcMemo ～ how many days
Calculate the number of days between two dates or determine a future or past date based on a given number of days. Save important calculation results with associated notes.
- Calculate days between two dates
- Calculate future/past dates
- Save calculation results
- Add notes to saved calculations
- Delete app data when app is removed
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---------------------------------------- - Add a mode to calculate the number of days between two dates - Add a mode to calculate the date of the date the number of days before or after ※ note. The results is not saved in the above modes. ---------------------------------------- Usually, "I wonder how many years passed since then," Do not you think? · Since you have moved · Since you graduated from school · Since the beginning of something new · Etc ... This application calculate the one below. · How many days have passed from the specified date · In how many days until the specified date You can save results of the calculation along with some words. ※ Please note that it also delete the data if you remove the app.
MemoRing
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誕生日、結婚記念日、長寿記念日、法要の日などの情報を登録して通知設定をすると、希望する日時にプッシュ通知でお知らせしてくれます。記念日の由来やそのお祝いにあった贈り物の例なども知ることができます。
Screenshots
Verdict
The clearest difference is iOS requirement: DateCalcMemo ～ how many days at 8.0 against MemoRing's 16.0. On price, update cadence, ads and in-app purchases 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.
DateCalcMemo ～ how many days ships an update fortnightly, MemoRing monthly. The most recent releases landed on October 13, 2026 and September 26, 2026 respectively.
| Parameter | DateCalcMemo ～ how many days | MemoRing |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 9 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | TOSHIYUKI SEKIZAKI | Yumiko Ishihara |
In-app purchases
DateCalcMemo ～ how many days
No in-app purchases
MemoRing
No in-app purchases
Questions
Is DateCalcMemo ～ how many days free?
Is MemoRing free?
Do DateCalcMemo ～ how many days or MemoRing have ads?
Which is updated more often, DateCalcMemo ～ how many days or MemoRing?
Other comparisons
