TextbookDojo vs Study Focus Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TextbookDojo
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TextbookDojo is an app for "Memorization sheet". The "Memorization sheet" is a Japanese style memorization method. TextbookDojo means "memorize everything" in Japanese. With this method, you first hide the strings you want to remember from a textbook or notebook, and later see repeatedly if you have remembered them. This app turns memorization sheets into flashcards. Recommended for students studying medicine, law, geography, foreign languages, economics, programming, etc. These are fields that require a lot of memorization. # Main Features - Memorize textbooks and problem books by hiding the parts you want to remember. - Automatic AI-based Important Phrase Marking Feature - Supports memorization of question collections with questions and answers separated from each other - Voice recording and playback function - Free drawing function - By automatically alternating playback of questions and answers, memorization can be done without manipulating the flashcards. - Intensive memorization of weak points. - By adjusting the playback speed of the flashcards, you can memorize them at high speed. - Test questions based on the forgetting curve allow you to concentrate on memorizing the questions you have difficulty with. - An automatic zoom function allows non-stress memorization even for those who have difficulty with small letters or presbyopia. - Pages can be imported from PDF/photo/camera. - You can share books and markers with your friends. - You can create an unlimited number of books, pages, and markers for free. === Other details === # Premium Features - In the free version, ads are displayed during memorization. In the Premium version, no ads are displayed. # About Premium The Premium version has no advertisements and no functional limitations. Premium monthly fee: $4.49 Premium yearly fee: $32.99 *It will automatically renew within 24 hours before the end of the term. - Payment Method Payment is charged to your iTunes account. - Cancel Auto-Renewal Auto renewal billing settings must be cancelled at least 24 hours prior to the end of the one-month or one-year subscription period. Cancellation during the period is not allowed. Auto-renewal billing will be done at least 24 hours prior to the end of the term. - How to cancel auto-renewal 1. open the "Settings" application. 2. tap your name. 3. tap "Subscribe". 4. your iPhone will display the "Subscriptions" menu option in "Settings". 5. tap the subscription you wish to manage. 6. tap Cancel Subscription. - Restore when changing devices If you change devices, you can restore your previously purchased paid version for free; just sign in again with the account you used with TextbookDojo. Privacy Policy https://www.fukurobo.com/others-en.html#privacy Terms of Use https://www.fukurobo.com/others-en.html#legalnotice
Study Focus Timer
This app helps you stay focused during study sessions using customizable timers. It supports the Pomodoro technique and allows for easy arrangement and visual tracking of your work and break intervals. Optimize your learning with flexible timer combinations.
- Pomodoro study timer
- Successive timer settings
- Interval timer customization
- Easy timer rearrangement
- Visual elapsed time gauge
- List of current study sets
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●Pomodoro study timer ・You can set successive timers. ・You can set interval timers. ●Example of timers Pomodoro technique for studying: 25 min studying - 5 min rest - 25 min studying - 5 min rest - 25 min studying - 5 min rest - 25 min studying - 5 min rest - 30 min rest = Various timer combinations are possible!! So, you can use Studying timer for a variety of continuous tasks including for pomodoro technique!! ●Easy to rearrange the pomodoro timers ・You can make interval at once for pomodoro technique. ・You can sort study timers by dragging ・You can delete study timers by slide sideways ●Easy to understand visually ・You can find elapsed time on the gauge. ・You can find the current study set on the list. ●Pomodoro technique Pomodoro technique is a method of repeatedly dividing one task into smaller pieces, finishing each divided task in a short time, and then taking a break. Pomodoro Technique is said to be useful for studying. Studying timer is one of the best Pomodoro timers for studying. If you are looking for a recommended Pomodoro timer, please try this timer app!!! -- ・Terms of service https://japy.jp/2022/03/service-term-en.html ・Privacy policy https://japy.jp/2022/03/Privacy-Policy-en.html
Screenshots
Verdict
The clearest difference is iOS requirement: Study Focus Timer at 11.0 against TextbookDojo's 14.0. 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. TextbookDojo sells 3 in-app purchases, starting at $4.49 per month and Study Focus Timer sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
TextbookDojo ships an update every 9 days, Study Focus Timer fortnightly. The most recent releases landed on June 1, 2026 and August 20, 2026 respectively.
| Parameter | TextbookDojo | Study Focus Timer |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 102 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | ROBOBO, K.K. | Foodmenu.world Inc. |
In-app purchases
TextbookDojo
- 1 month payment$4.491 Month
- 1 year payment$19.991 Year
- プレミアム年払い(期間限定特別価格)$19.991 Year
Study Focus Timer
- Premium$0.991 Month








