Comparison

Ringotan vs Mochi Invaders

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

Head to head
About

Ringotan

Master Japanese Kanji by practicing writing. This app uses advanced input detection and spaced repetition to help you learn quickly and effectively. Focuses on the physical act of writing characters, not just recognition.

Highlights
  • Learn Kanji by writing
  • Advanced input detection
  • Spaced repetition system (SRS)
  • Focus on writing, not just reading
  • Frequent updates with new features
Features
Read full description

Learn Kanji by actually writing it! Ringotan is the first app built from the ground up to teach you how to WRITE Japanese Kanji, not just read them. By combining advanced input detection with industry-standard SRS (spaced repetition) algorithms, Ringotan ensures you learn as fully and quickly as possible. ----------------- Ringotan is free for a limited time. We update frequently, so be sure to check back for new features!

About

Mochi Invaders

Practice Japanese hiragana and katakana through an engaging, retro-style arcade game. Select specific character groups or entire alphabets to reinforce your reading skills while enjoying interactive gameplay.

Highlights
  • Kana recognition gameplay
  • Hiragana, katakana, or both options
  • Customizable character group practice
  • Review mistakes
  • Retro arcade style
Features
Read full description

The Mochi Invaders game is designed to help users practice Japanese kana interactively. Drawing inspiration from classic space invaders gameplay, Mochi Invaders lets you review both hiragana and katakana, with the option to select specific character groups or practice entire alphabets. Features: - Gameplay focused on kana recognition - Choice of hiragana, katakana, or both - Customizable practice sets by character group - Review mistakes Mochi Invaders is suitable for anyone wanting to reinforce their kana reading skills while playing a game.

Screenshots

Ringotan2 screens
Mochi Invaders4 screens

Verdict

The call

The clearest difference is ratings volume: Ringotan at 567 against Mochi Invaders's 6. Ringotan also leads on iOS requirement (12.2 vs 16.6). On price, rating, review sentiment and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Ringotan against 5.0 for Mochi Invaders. That said, the two scores are not equally well evidenced: Ringotan has 567 ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 96% of Ringotan's written reviews are positive against 100% of Mochi Invaders's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Ringotan versus Mochi Invaders: the parameters behind the verdict, then further details
ParameterRingotanMochi Invaders
PriceFreeFree
Rating4.9 (567 ratings)5.0 (6 ratings) — better
Positive reviews95.7% of reviews100.0% of reviews — better
Number of ratings567 — better6
Update frequencyEvery 3 daysEvery 3 days
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.2 — better16.6
Further details — not scored
Size206 MB2 MB
Age rating4+4+
DeveloperDaniel PflughoeftXenodium Ltd.

Customer experience

Ringotan

All ratings567 ratings
Positive98.9%
Neutral0.4%
Negative0.7%
Written reviews92 reviews
Positive95.7%
Neutral2.2%
Negative2.2%

Mochi Invaders

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Ringotan

Reported bugs

2 issues
  • Occasional issues with stroke order recognition
  • Some kanji pronunciations not accurately represented

Requested features

5 requests
  • Add dark mode option
  • Allow users to create and save custom kanji lists
  • Provide more detailed keyword hints before writing
  • Implement device sync to continue progress across platforms
  • Add notification system to remind users of upcoming reviews

Mochi Invaders

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Ringotan

No in-app purchases

None

Mochi Invaders

No in-app purchases

Questions

Is Ringotan free?
Ringotan is free to download, with no in-app purchases.
Is Mochi Invaders free?
Mochi Invaders is free to download, with no in-app purchases.
Which has better reviews, Ringotan or Mochi Invaders?
Mochi Invaders is rated higher. Ringotan averages 4.9 out of 5 from 567 ratings, while Mochi Invaders averages 5.0 from 6 ratings.
Do Ringotan or Mochi Invaders have ads?
Neither Ringotan nor Mochi Invaders shows ads.
Which is updated more often, Ringotan or Mochi Invaders?
Ringotan ships an update every 3 days, and Mochi Invaders every 3 days. Most recently, Ringotan was updated on October 9, 2026 and Mochi Invaders on October 4, 2026.

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