Comparison

Levelify vs Nihongo Diary

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

Head to head
About

Levelify

Features
Read full description

Read Japanese at the level that works for you. Paste Japanese or English text, or choose a short reading from the built-in library. Levelify creates Hard, Medium, and Easy Japanese rewrites, so you can compare them and choose the version that feels most comfortable. When you enter Japanese text, you can also show readings above its kanji. Adjust the amount of furigana to get more support when you need it or keep familiar kanji unmarked. 【What you can do】 Switch between the Japanese text you entered and three rewritten versions. Use Levelify with a sentence, message, article, or note, or open a built-in reading for a quick practice session. 【Keep useful rewrites】 Find recent rewrites in History and add favorites to Saved. You can also copy or share the Japanese text from the result screen. 【Who it's for】 Levelify is for learners who want more support when reading Japanese beyond the textbook, including news, posts, messages, and everyday writing. 【Notes】 Output is AI-generated and is not human-reviewed. It may be inaccurate, incomplete, unnatural, or miss nuance. Check the Original (the text you entered) for important legal, medical, financial, academic, or safety-related information. 【Terms of Use】 https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Nihongo Diary

Practice writing Japanese daily with AI-powered corrections and explanations. Connect with a community of learners for feedback and motivation, helping you build a consistent study habit and improve fluency.

Highlights
  • Daily Japanese writing prompts
  • AI-powered text correction with furigana
  • Detailed explanations for mistakes
  • Community feedback and interaction
  • Streak tracking and motivation tools
  • Word-tap translation
Features
Read full description

Nihongo Diary — Write Japanese every day. Get it corrected. Keep going. Writing is the fastest way to make Japanese stick — but only if someone corrects you, and only if you keep showing up. Nihongo Diary gives you both. WRITE & GET CORRECTED - Write a short diary entry in Japanese — any level, any length - AI correction shows your corrected text in seconds, with furigana on every kanji - See a natural, native-like version of what you wrote - Understand every fix with clear explanations, key mistakes, and vocabulary - Ask the community: real learners (and their corrections) alongside AI YOU'RE NOT DOING IT ALONE - Share entries to the community feed and cheer each other on - Get corrections and comments from fellow learners around the world - Follow friends, react to entries, and reply to comments - Push notifications remind you to write and tell you when someone responds KEEP YOUR STREAK ALIVE - Daily streaks and milestones keep you motivated - Calendar view of everything you've written - Word-tap translation while reading other learners' entries - Obie, your study buddy, celebrates your progress Made by Tetsu, a native Japanese teacher in Sapporo, for learners who want to actually use their Japanese — not just study it. Free to start. Write your first entry today. Terms of Use: https://nihongodiary.app/terms

Screenshots

Levelify4 screens
Nihongo Diary4 screens

Verdict

The call

The clearest difference is in-app purchases: Levelify at none against Nihongo Diary's 2. Nihongo Diary's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nihongo Diary sells 2 in-app purchases, starting at $9.99 per month. Levelify asks for nothing beyond the download.

UpkeepUpdate frequency

Levelify ships an update every 3 weeks, Nihongo Diary every 10 days. Both last shipped on October 25, 2026.

Scorecard2 real differences · 7 level
Levelify versus Nihongo Diary: the parameters behind the verdict, then further details
ParameterLevelifyNihongo Diary
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size12 MB17 MB
Age rating4+17+
DeveloperNATSUHIRO ARITATetta Taguchi

In-app purchases

None

Levelify

No in-app purchases

2 purchases

Nihongo Diary

Subscriptions2
  • Plus$9.991 Month
  • Pro$19.991 Month

Questions

Is Levelify free?
Levelify is free to download, with no in-app purchases.
Is Nihongo Diary free?
Nihongo Diary is free to download, with in-app purchases available.
Do Levelify or Nihongo Diary have ads?
Neither Levelify nor Nihongo Diary shows ads.
Which is updated more often, Levelify or Nihongo Diary?
Levelify ships an update every 3 weeks, and Nihongo Diary every 10 days. Most recently, Levelify was updated on October 25, 2026 and Nihongo Diary on October 25, 2026.

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