Comparison

Plainify vs Manabuild

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

Head to head
About

Plainify

Features
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[Transform Complex Text into Plain, Easy English] "Kamikuda" uses cutting-edge AI to convert and summarize difficult news, official documents, and complex contracts into "Plain English" that anyone can understand. ā–  Recommended for: When news articles are too dense and hard to follow. When you want to understand formal jargon in government or medical documents. When English learners want to study by breaking down advanced vocabulary. When you need to summarize long texts for a quick read. ā–  Key Features AI "Kamikuda" Simplify: Simply copy-paste or type text, and the AI will analyze the context to "break it down" into easy-to-read language. Camera OCR (Optical Character Recognition): Snap a photo of documents or books to instantly digitize and simplify the text. AI Chat Consultation: Ask follow-up questions about the simplified content or request different ways to rephrase it. Multi-language Support: The app supports multiple languages including Japanese and English, serving as a global reading support tool. ā–  Our Vision Language is full of complex expressions that can prevent important information from being understood. "Kamikuda" aims to remove these barriers using AI, creating a world where information is accessible to everyone. Note: This app uses advanced AI like the Gemini API to ensure high accuracy. However, for critical legal or medical documents, please always cross-reference with the original text.

About

Manabuild

Features
Read full description

Manabuild turns your workbooks and textbooks into daily tasks so you can finish them on schedule. Just enter how much a material covers and when you want to finish it, and Manabuild works out what to study today. - Know what to do today, the moment you open the app • See today's range for each material (for example, Q25–Q33) • Daily amounts are worked out backward from your deadline • Amounts are recalculated as you make progress • Weekday weights, holidays, and pause periods are taken into account • Tap the circle to mark a task done, or log just the amount you finished - Review at the right time, automatically • Ranges you studied come back on Today after set intervals (1, 3, 7, 14, and 30 days by default) • Change the intervals and the number of reviews as you like - Keep each material on pace • Scan a barcode to fill in the title and cover automatically • Set amounts per chapter, the number of rounds, and the unit (questions, pages, words, and more) • See progress, deadline, and study time at a glance • Organize materials by subject - See the road to your goal • Add goals such as exams with their dates, and link materials to them • See the days left and the achievement rate for each goal - Pomodoro timer • A Pomodoro timer with focus, break, and set count, plus a count-up timer • Time remaining also appears on the Lock Screen and in the Dynamic Island • A vibration lets you know when focus and break switch • When you finish, log how far you got and it is added to your study time - Watch your progress build up • Days recorded and your current streak • A grid of the days and hours you studied • Monthly study time and progress by goal and subject - And more • Check and fix past records on the calendar • Home Screen and Lock Screen widgets • Morning and evening reminders (each can be turned off) • Automatic backup to iCloud, so you can restore your data on a new iPhone or after reinstalling • No account needed • Available in Japanese and English, with Dark Mode support - About the Supporter Plan All study features are available without a subscription. Subscribing to the Supporter Plan (an auto-renewing monthly or yearly subscription) removes the ads in the app. • Payment is charged to your Apple Account. • The subscription renews automatically for the same period unless canceled at least 24 hours before the end of the current period. • You can cancel at any time in the iPhone Settings app: your name > Subscriptions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://aidi1206.github.io/manabuild-privacy/

Screenshots

Plainify3 screens
Manabuild4 screens

Verdict

The call

The clearest difference is iOS requirement: Plainify at 15.0 against Manabuild's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Plainify versus Manabuild: the parameters behind the verdict, then further details
ParameterPlainifyManabuild
PriceFreeFree
Update frequencyEvery 5 daysEvery 5 days
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size61 MB8 MB
Age rating4+4+
DeveloperKasanimaroTADAMUNE ITO

In-app purchases

None

Plainify

No in-app purchases

None

Manabuild

No in-app purchases

Questions

Is Plainify free?
Plainify is free to download, with no in-app purchases.
Is Manabuild free?
Manabuild is free to download, with no in-app purchases.
Do Plainify or Manabuild have ads?
Both Plainify and Manabuild show ads.
Which is updated more often, Plainify or Manabuild?
Plainify ships an update every 5 days, and Manabuild every 5 days. Most recently, Plainify was updated on November 5, 2026 and Manabuild on October 31, 2026.

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