Comparison

Neko Dictionary vs Justdown

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

Head to head
About

Neko Dictionary

Features
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Neko Dictionary is a Japanese dictionary app designed for fast lookup and flexible dictionary management. It supports importing and using custom MDict / MDX dictionaries, allowing you to build your own offline dictionary library. Main features: - Fast word lookup Search Japanese words using kana, romaji, or kanji with clear and accurate results. - Custom MDict dictionary support Import and manage your own MDX / MDD dictionary files with ease. - Kana charts for beginners Built-in hiragana and katakana charts to help you learn the basics. - Offline dictionary All dictionaries are stored locally and work without an internet connection. - Multi-dictionary search Search across multiple dictionaries at the same time for easy comparison. Whether you are a beginner learning Japanese or an advanced user relying on professional dictionaries, Neko Dictionary provides a clean and efficient lookup experience.

About

Justdown

Features
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Justdown is a markdown note-taking app built for Japanese language learners. - Aozora Bunko / Pixiv notation: ζΌ’ε­—γ€Šγ‹γ‚“γ˜γ€‹ renders as ruby text over the kanji - Use the vertical bar to mark the base explicitly - Standard HTML ruby tags are also supported for pasted content - Quotation marks γ€Œγ€γ€Žγ€ are never touched, so you can write natural Japanese freely MARKDOWN EDITOR - Live preview with GitHub-flavored markdown: headings, lists, tables, quotes - Syntax-highlighted code blocks (light and dark themes) - Keyboard toolbar for one-tap input of furigana brackets, headings, bold, and code blocks, so you never fight the Japanese keyboard for special characters BUILT FOR STUDYING - Table of contents panel: jump to any heading instantly - In-note search with match count, working in both editor and preview - Full-text search across all notes - Auto-save as you type PRIVATE BY DESIGN - All notes are stored locally on your device - No account, no ads, no analytics, no network access

Screenshots

Neko Dictionary4 screens
Justdown4 screens

Verdict

The call

The clearest difference is update cadence: Justdown at every 2 days against Neko Dictionary's fortnightly. Justdown also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

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

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

UpkeepUpdate frequency

Neko Dictionary ships an update fortnightly, Justdown every 2 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard2 real differences Β· 4 level
Neko Dictionary versus Justdown: the parameters behind the verdict, then further details
ParameterNeko DictionaryJustdown
PriceFreeFree
Update frequencyFortnightlyEvery 2 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.4 β€” better
Further details β€” not scored
Size91 MB31 MB
Age rating4+4+
DeveloperShanghai Yidudu Technology Co., Ltd.Hyungwon Jang

In-app purchases

None

Neko Dictionary

No in-app purchases

None

Justdown

No in-app purchases

Questions

Is Neko Dictionary free?
Neko Dictionary is free to download, with no in-app purchases.
Is Justdown free?
Justdown is free to download, with no in-app purchases.
Do Neko Dictionary or Justdown have ads?
Neither Neko Dictionary nor Justdown shows ads.
Which is updated more often, Neko Dictionary or Justdown?
Neko Dictionary ships an update fortnightly, and Justdown every 2 days. Most recently, Neko Dictionary was updated on October 13, 2026 and Justdown on October 15, 2026.

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