Studyplus vs Sugaku
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Studyplus
This app helps users maintain consistent study habits by allowing them to log their study sessions and share their progress. It aims to make studying more enjoyable and sustainable through daily tracking and community support.
- Record study logs
- Share study progress
- Daily study tracking
- Continuous learning support
- Community study network
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Study SNS "Studyplus" is where anyone can continue studying happily by recording study and sharing it. Togain achievement, it is necessary for us to study continuously, however it is difficult to do so. Study SNS "Studyplus" will let you record and share your study log daily to help everyone study happily and continuously. [Features] *Lets you record study log [Contact] Please give us feedback on our app from the address below. support@studyplus.jp [Terms of service] Studyplus https://www.studyplus.jp/terms Studyplus Pro https://www.studyplus.jp/pro_terms
Sugaku
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※個人で製作しているアプリです。数学検定自体とは関係していません！高校数学の範囲や数学検定の級は目安です。 高校数学に対応した練習型の問題集アプリです。 選択式でテンポよく解き進め、解説つきで理解までフォロー。間違えた問題がすぐわかり、復習に最適です。 【主な特徴】 高校数学／数検モードを切替（数I・A・II・B・III/ 数検準2級・2級・準1級 ※目安です） 約300問以上を収録（今後も順次追加） 解説つき：数式は見やすいレイアウトで表示 復習しやすい：間違えた問題・未解答を自動整理 ランキング機能：モチベーションを可視化 【収録分野（一例）】 数と式／因数分解／二次関数／三角比・三角関数／指数・対数／微分・積分／数列／ベクトル／確率 ほか 【便利な使い方】 分野を選んでサクッと10分トレーニング 間違えた問題だけ出題して弱点補強 今後もコンテンツを順次追加予定。いただいた要望はアップデートで反映していきます。
Screenshots
Verdict
The clearest difference is ads: Sugaku at none against Studyplus's shown. Studyplus's advantage is update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement 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. Studyplus sells 4 in-app purchases, starting at $5.49 per month and Sugaku sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Studyplus ships an update weekly, Sugaku every 2 weeks. The most recent releases landed on September 30, 2026 and September 20, 2026 respectively.
| Parameter | Studyplus | Sugaku |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (336 ratings) — better | — |
| Positive reviews | 72.1% of reviews | — |
| Number of ratings | 336 — better | — |
| Update frequency | Weekly — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 181 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Studyplus Inc. | Sae Ueno |
Bugs and requests
Studyplus
Reported bugs
6 issues- Study time not reflected in reports/graphs
- Reports show incorrect dates (off by one day)
- App forces update, preventing use on older devices (iPhone 6)
- Blocked users can still see user's goals/profile/comments
- Deleted accounts leave communities behind, showing old usernames
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- Timeline shows irrelevant posts (non-study related)
Requested features
12 requests- English language option
- Fix timezone/local time display for overseas users
- Return to previous UI format
- Add a to-do list feature
- Allow weekly data to start on Sunday
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- Add alarm for timer exceeding set time
- Improve block feature to be more thorough (like Twitter)
- Allow continuous study recording without returning to timeline
- Implement bulk follow/unfollow/block options
- Add quality of study metrics
- Allow multiple event dates for countdowns
- Allow input of page/problem numbers via tapping instead of scrolling
Sugaku
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Studyplus
- Studyplus有料版 ベーシック$5.491 Month
- Studyplus有料版 プレミアム7 Days trial$8.491 Month
- Studyplus有料版 ベーシック$44.991 Year
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- Studyplus有料版 プレミアム7 Days trial$68.991 Year
Sugaku
- 広告非表示$0.99
