Comparison

reminDO vs GeoMemorizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

GeoMemorizer

Features
Read full description

GeoMemorizer は、日本の地理を「地図の上で」覚えるための学習アプリです。 白地図に並んだ地名・川・山・鉄道・道路の名前を、3つのモードでくり返し練習できます。 ■ 覚えられる項目 ・地名記憶 … 都道府県名(47)、市区町村名(全国1,747。都道府県を選ぶと、その地図に拡大します) ・河川名記憶 … 一級河川名(全国109水系の本川) ・山名記憶 … 100名山、標高3000m以上、2500m以上3000m未満、2000m以上2500m未満 ・鉄道・駅名記憶 … 新幹線・JR・私鉄の路線名と駅名(路線を選ぶと、その路線の駅に拡大します) ・道路名記憶 … 高速道路名、高速道路のIC・JCT名、国道番号 ■ 3つのモード ・表示モード … すべての名前とふりがなを表示。地図を眺めて覚えます ・記憶モード … 名前は隠れています。タップすると名前が表示され、もう一度タップで隠れます ・記入モード … タップして名前を入力。正解は緑、不正解は赤。全部正解すると「おめでとう!!」 記入の結果は、「リセット」を押すまで保存されます ■ 特長 ・名前の下にふりがなを表示。読み方の分からない地名や駅も覚えられます ・鉄道は路線の色、国道・高速道路も色分けして表示 ・ピンチで拡大・縮小、なぞって移動。地図アプリと同じ感覚で操作できます ・ダークモードに対応 ・通信を行わず、端末の中だけで動作。さくさく動きます ・個人情報や利用状況を集めることはありません ■ データの出典 ・国土数値情報(行政区域データ・鉄道データ・高速道路時系列データ)(国土交通省)を加工して作成 ・「地球地図日本」「日本の主な山岳標高」、地理院地図ベクトル(国土地理院)を加工して作成 ・読み: 総務省「全国地方公共団体コード」、国土交通省「河川整備基本方針」、Wikidata、Wikipedia

Screenshots

reminDO4 screens
GeoMemorizer4 screens

Verdict

The call

The clearest difference is in-app purchases: GeoMemorizer at none against reminDO's 10. GeoMemorizer also leads on ads (none vs shown). reminDO's advantage is iOS requirement (15 vs 17.0). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. reminDO sells 10 in-app purchases, starting at $1.99 per month. GeoMemorizer asks for nothing beyond the download.

UpkeepUpdate frequency

reminDO ships an update weekly, GeoMemorizer every 2 weeks. The most recent releases landed on November 11, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
reminDO versus GeoMemorizer: the parameters behind the verdict, then further details
ParameterreminDOGeoMemorizer
PriceFreeFree
Rating4.8 (61 ratings) — better—
Positive reviews71.6% of reviews—
Number of ratings61 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15 — better17.0
Further details — not scored
Size78 MB20 MB
Age rating4+4+
DeveloperatkkTakafumi Nakasu

In-app purchases

10 purchases

reminDO

Subscriptions9
  • Plus Member (Monthly)$1.991 Month
  • Monthly + 7 Days Free7 Days trial$1.991 Month
  • Plus Member (Monthly)$4.491 Month
Show 6 more
  • 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
One-time1
  • Lifetime License$34.99
None

GeoMemorizer

No in-app purchases

Questions

Is reminDO free?
reminDO is free to download, with in-app purchases available.
Is GeoMemorizer free?
GeoMemorizer is free to download, with no in-app purchases.
Do reminDO or GeoMemorizer have ads?
reminDO shows ads; GeoMemorizer does not.
Which is updated more often, reminDO or GeoMemorizer?
reminDO ships an update weekly, and GeoMemorizer every 2 weeks. Most recently, reminDO was updated on November 11, 2026 and GeoMemorizer on October 29, 2026.

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