reminDO vs ring つなげる知識、ひろげる輪
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
reminDO
This app helps you retain information by sending timely reminders before you forget it. It optimizes your study sessions based on the forgetting curve, ensuring maximum memorization with minimal effort. Easily manage your learning materials and study across multiple devices.
- Optimized studying based on forgetting curve
- Manage 'to do' lists for learning
- Study on smartphone, tablet, or PC
- Memorize book/article gists
- Capture and recall notes
- Remember quotes and foreign language words
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reminDO makes everything you learn unforgettable. Just enter anything you want to memorize into reminDO. People quickly forget knowledge they don't review. Even if a person remembers 100 things, a month later they'll only recall 20 of them. Enter whatever you want to memorize into reminDO, and receive reminders before you forget. Keeping reviews to the necessary minimum maximizes the amount that can be memorized. Helping you study more effectively. FEATURES - Optimized studying based on the forgetting curve vastly improves memorization. - Take advantage of easy-to-use functions, like managing your "to do" list. - Study anywhere, any time on your smartphone, tablet, or PC. - This service is absolutely free. WHY YOU SHOULD USE reminDO? - Knowledge is needed to live well in this world. - However, 80% of what is learned becomes forgotten within a month if nothing is done. This is a great loss. - By using reminDO, you can continue remembering almost everything you have learned, using minimum effort. WHAT DO YOU MEMORIZE? - Gist of books Do more than just underline sentences. - Gist of articles Do more than just bookmark websites. - Captured notes Stop trawling through pages of notes. - Quotations and Inspirations Do more than just hear it once and nod along. - Foreign language words and phrases Stop getting lost in a sea of facts. - All that you want to memorize Stop forgetting. Period. Say "no more" to ineffective study. Terms of Use https://remindo.co/page/term Since 2016
ring つなげる知識、ひろげる輪
Create and share flashcards with images, equations, and illustrations. Generate quizzes from card sets for study or friendly competition. Save and search for card sets to learn from others.
- Create flashcards with images
- Share flashcards with others
- Generate quizzes from card sets
- Track study progress
- Save favorite card sets
- Search for card sets by genre
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「カード機能」 学びたいこと、暗記したいことをまとめて一気に学習。画像を追加することで、面倒な数式も、イラストも、手間なくカード作成！作ったカードは誰にでも共有可能。もちろん、他のユーザーが作ったカードでも学習できる！多くのスペシャリストが作ったカードをそのまま使うことで学習効率一気にUp！ 「検定機能」 作成されたカードセットを元に、検定を学習に最適化されたプログラムで自動生成。勉強の進捗チェックだけでなく、趣味の共有やクイズバトルにも！間違えたカードは一覧で表示、復習にもバッチリだぜ！ 「クリップ機能」 気になったカードセットや繰り返し学びたいカードセットはクリップ機能で保存。通学中の電車の中や、空いた時間にじっくり勉強しよう。 「検索機能」 全国からフラッシュカードが集まるringでは自分の興味のあるジャンルを検索することも可能。自分と同じ状況や趣味の人の作ったカードを見つけて、一緒に勉強しよう！ 勉強も学びも、自分がきめるもの。 どんなものでもいい、みんなで知識を繋げ、輪を拡げ、ともに成長してゆこう！ [自動更新サブスクリプション] 購入すると、バナー、インターステシャル広告が非表示になります。 料金プラン ・1ヶ月快適プラン：120円/1ヶ月 ・6ヶ月快適プラン：500円/6ヶ月 ・1年快適プラン：980円/1年
Screenshots
Verdict
The clearest difference is rating: reminDO at 4.8 against ring つなげる知識、ひろげる輪's 3.3. reminDO also leads on update cadence (weekly vs monthly) and ratings volume (61 vs 4). ring つなげる知識、ひろげる輪's advantage is iOS requirement (13.0 vs 15). On price, review sentiment, 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. reminDO sells 11 in-app purchases, starting at $1.99 per month and ring つなげる知識、ひろげる輪 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
reminDO holds the better App Store score, 4.8 against 3.3. That said, the two scores are not equally well evidenced: reminDO has 61 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 72% of reminDO's written reviews are positive against 67% of ring つなげる知識、ひろげる輪's.
reminDO ships an update weekly, ring つなげる知識、ひろげる輪 monthly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.
| Parameter | reminDO | ring つなげる知識、ひろげる輪 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (61 ratings) — better | 3.3 (4 ratings) |
| Positive reviews | 71.6% of reviews — better | 66.7% of reviews |
| Number of ratings | 61 — better | 4 |
| Update frequency | Weekly — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15 | 13.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | atkk | STARDY, K.K. |
Customer experience
reminDO
ring つなげる知識、ひろげる輪
Bugs and requests
reminDO
Not enough reviews yet to summarise bugs or requests.
ring つなげる知識、ひろげる輪
Reported bugs
19 issues- App crashes when publishing
- Saving and publishing takes over 30 minutes
- App crashes during editing
- Data lost when app crashes
- App freezes on title screen
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- Cannot log in, lost created cards
- App frequently crashes
- My page remains gray and inaccessible
- App becomes unresponsive (gray screen)
- App shuts down unexpectedly
- Ads are difficult to close
- Misspellings in English cards
- App検定 function stopped working
- Cannot add cards to existing sets without scrolling to bottom
- Non-hidden cards are visible and testable
- Clip button missing on some items
- Text cuts off on the 4th line
- Photo changes not saving
- Login issues
Requested features
12 requests- Ability to change card order during creation
- Faster load times
- Ability to review only marked words
- Predictive text for card backs
- Ability to add cards to existing sets easily
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- Ability to reorder cards when creating/editing
- Ability to re-study incorrect answers
- Ability to set multiple correct answers for検定 mode
- Ability to customize 4-choice options in 検定 mode
- Support for longer English phrases without hitting character limits
- Option to make cards private or public
- Improved iPad full-screen support
In-app purchases
reminDO
- Plus Member (Monthly)$1.991 Month
- Monthly + 7 Days Free7 Days trial$1.991 Month
- Plus Member (Monthly)$2.991 Month
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- Plus Member (Monthly)$4.491 Month
- 3 Months + 3 Days Free3 Days trial$5.993 Months
- 3 Months + 7 Days Free7 Days trial$5.993 Months
- Annual + 7 Days Free1 Month trial$14.991 Year
- Plus Member (Yearly)$19.991 Year
- Annual + 3 Days Free3 Days trial$19.991 Year
- Annual + 7 Days Free7 Days trial$19.991 Year
- Lifetime License$34.99
ring つなげる知識、ひろげる輪
- 1ヶ月快適プラン120円$0.991 Month
- 6ヶ月快適プラン500円$4.496 Months
- 1年快適プラン980円$8.991 Year
Questions
Is reminDO free?
Is ring つなげる知識、ひろげる輪 free?
Which has better reviews, reminDO or ring つなげる知識、ひろげる輪?
Do reminDO or ring つなげる知識、ひろげる輪 have ads?
Which is updated more often, reminDO or ring つなげる知識、ひろげる輪?
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