Best Jumpei Adachi Apps & Games

248+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated October 2026

The best jumpei adachi apps and games on iPhone average 4.4★ across 248+ titles — we've ranked them by what real users actually keep on their phones. Updated October 2026.

Compare top Jumpei Adachi Apps & Games (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Plane NotesPlane NotesFree4.6★ (100)YesYesOct 2026
2Life-Size RulerLife-Size RulerFree3.3★ (6)NoNoOct 2026
3Rhythm LearningRhythm LearningFree4.7★ (326)NoYesNov 2026
4Soroban TrainingSoroban TrainingFree4.7★ (181)YesYesNov 2026
5Staff NotebooksStaff NotebooksFree4.4★ (46)NoYesOct 2026
6Furigana ExtensionFurigana ExtensionFree4.2★ (11)NoYesOct 2026
7Piano Chord MemorizationPiano Chord MemorizationFree4.8★ (23)NoYesNov 2026
8Mochi Jump - Into infinityMochi Jump - Into infinityFree4.8★ (580)YesYesOct 2026

Top Picks for Jumpei Adachi

Plane Notes#1

Plane Notes by Jumpei Adachi

Infinite handwritten notebook
Editor's Choice
📊 Productivity
4.6(100 ratings)
FreeAdsIn-App Purchases
Plane Notes screenshot 1

An intuitive infinite canvas notebook application designed for capturing ideas without limitations. It offers a seamless experience for handwritten notes and sketches.

Life-Size Ruler#2

Life-Size Ruler by Jumpei Adachi

Smartphone as a Ruler
Strong Contender
🔧 Utilities
3.3(6 ratings)
Free
Life-Size Ruler screenshot 1

Transform your smartphone into a precise measuring tool. This utility app allows you to measure lengths and distances directly on your screen. It's a convenient digital ruler for everyday tasks.

Rhythm Learning#3

Rhythm Learning by Jumpei Adachi

Rhythm Sight-Reading Practice
Worth Considering
🎵 Music
4.7😊(326 ratings)
FreeIn-App Purchases
Rhythm Learning screenshot 1
Rhythm Learning screenshot 2
Rhythm Learning screenshot 3

Practice reading rhythms from sheet music with this application. It offers a limited free trial for users to experience its rhythm training capabilities. Further practice sessions are available through in-app purchases.

What We Love

  • 👍 Simple and easy to use
  • 🎵 Effective for rhythm training
  • 💰 Good value for money
  • 🎶 Helpful for music learners
  • 🚀 Fast and engaging
  • 🌟 Highly recommended
  • 💡 Customizable options
  • ✅ Great for beginners
  • 🎯 Improves sight-reading

Room to Improve

  • 💰 Paid app, not free
  • ✋ Strict judgment/timing
  • 📱 Small tap targets
  • 🔇 No sound after purchase
  • ❓ Unclear initial operation
  • ⏳ Limited free trial
  • 🖥️ Not optimized for landscape
  • 🤔 Lack of learning mode

More Jumpei Adachi apps to explore

FAQ about Jumpei Adachi

What are the best jumpei adachi apps & games for iPhone?
Plane Notes tops our jumpei adachi apps & games ranking as of October 2026, with a 4.6-star average from 100 App Store ratings, and it's free to download.
Yes — 19 of the top jumpei adachi apps & games we rank are free to download, including Plane Notes and Life-Size Ruler.
Plane Notes shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 248+ jumpei adachi apps & games on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.