Comparison

Plainify vs Kiroku

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

Head to head
About

Plainify

Features
Read full description

[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. ■ 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. ■ 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. ■ 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

Kiroku

Features
Read full description

One tap to start, one tap to stop. Start and stop from the Lock Screen (Live Activity), Apple Watch, or a Home Screen widget without opening the app, then review your day on a colorful timeline. All core features are free, and your records stay on your device. Key Features ・One-tap recording — Start/stop timer to log work sessions ・Lock Screen timer — Live Activity and Dynamic Island show the elapsed time; stop right from the Lock Screen ・Apple Watch — Start and stop from your wrist, and see the elapsed time on a watch face complication ・Home Screen widget — One tap to start or stop, with your pinned categories ・Timeline view — Visualize your day on a 24-hour timeline ・Categories — Organize work with preset colors ・Stats — Daily, weekly, and monthly summaries by category ・Manual entry — Add or edit records anytime ・Share card — Share a daily summary as an image, free A focused app that strips away the extras so you can concentrate on recording. No account needed to get started. Premium (optional subscription) ・Text and PDF reports for any period ・Backup, and sync across iPhone, iPad, and the web app (app.kiroku.6-inc.com) Made for ・Logging study or work hours with minimal effort ・Tracking hours when working from home or freelancing ・Looking back on your day and building steadier habits ■ Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Plainify3 screens
Kiroku4 screens

Verdict

The call

The clearest difference is in-app purchases: Plainify at none against Kiroku's 2. Kiroku's advantage is ads (none vs shown). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Kiroku sells 2 in-app purchases, starting at $2.99 per month. Plainify asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level
Plainify versus Kiroku: the parameters behind the verdict, then further details
ParameterPlainifyKiroku
PriceFreeFree
Update frequencyEvery 5 daysEvery 5 days
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size61 MB37 MB
Age rating4+4+
DeveloperKasanimaroRoku, K.K.

In-app purchases

None

Plainify

No in-app purchases

2 purchases

Kiroku

Subscriptions2
  • Sync Monthly$2.991 Month
  • Kiroku Sync Annual$22.991 Year

Questions

Is Plainify free?
Plainify is free to download, with no in-app purchases.
Is Kiroku free?
Kiroku is free to download, with in-app purchases available.
Do Plainify or Kiroku have ads?
Plainify shows ads; Kiroku does not.
Which is updated more often, Plainify or Kiroku?
Plainify ships an update every 5 days, and Kiroku every 5 days. Most recently, Plainify was updated on October 24, 2026 and Kiroku on October 28, 2026.

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