azooKey vs Document Detection
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
azooKey
This app offers a highly customizable Japanese keyboard with advanced conversion and typing assistance. It features offline processing, user-defined layouts, and privacy-focused design. Enjoy effortless Japanese typing with personalized shortcuts and smooth cursor control.
- Neural kana-kanji conversion engine
- Customizable key layouts and tabs
- Live, real-time text conversion
- Cursor movement and one-handed mode
- Clipboard history and user dictionary support
- Offline processing for privacy
Read full descriptionHide full description
—— azooKey - A Fully Customizable Japanese Keyboard —— High-accuracy conversion, deep customization, and live conversion—all in one app for effortless typing. Open-source, completely free, and built with a privacy-first design so you can use it with confidence. ▶ Cutting-Edge Conversion System ・Powered by “Zenzai,” our neural kana-kanji conversion engine ・Smarter, context-aware conversion that runs entirely offline ▶ Customization ・Edit anything from a single key to entire layouts ・Call up symbols, kaomoji, and snippets instantly with Custom Tabs ・Create GODAN or your own layouts with just a few taps ・Personalize the keyboard’s appearance with easy theming ▶ Live Conversion ・macOS-style real-time conversion optimized for iOS ・Our lightweight engine delivers fast, accurate text conversion ▶ Smooth Typing Assistance ・Hold the spacebar to move the cursor; hold Delete for one-stroke delete and undo ・One-handed mode, adjustable height, and text size for comfortable use on large screens ・Enlarge conversion candidates for quick confirmation of complex kanji ・Cursor movement by flick and a convenient Paste button are also supported ▶ Power-User Features ・Clipboard history saved automatically ・Full support for the iOS user dictionary ・Unicode conversion, half-width kana, random conversion, date insertion, and more advanced options ▶ Privacy & Trust ・Completely offline design that never collects your input ・Source code available on GitHub for anyone to inspect and improve ・No ads, no in-app purchases—every feature is free Supported OS: iOS / iPadOS 17.6 or later (latest version recommended) How to use: Download → Enable in the app → Select azooKey from the globe icon Try a typing environment tailored to you with azooKey.
Document Detection
Read full descriptionHide full description
Detect rectangular regions in images that contain text.
Screenshots
Verdict
The clearest difference is ads: azooKey at none against Document Detection's shown. On price, update cadence, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
azooKey ships an update every 3 weeks, Document Detection every 5 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | azooKey | Document Detection |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 71.2% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.5 — better |
| Further details — not scored | ||
| Size | 179 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Keita Miwa | Hideaki Uchikoshi |
In-app purchases
azooKey
No in-app purchases
Document Detection
No in-app purchases
Questions
Is azooKey free?
Is Document Detection free?
Do azooKey or Document Detection have ads?
Which is updated more often, azooKey or Document Detection?
Other comparisons
