Comparison

KotoTunings vs MiMi

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

Head to head
About

KotoTunings

Explore traditional Japanese Koto tunings with this intuitive app. It features 26 authentic tunings, a user-friendly interface, and interactive displays to help you learn and play.

Highlights
  • 26 traditional Koto tunings
  • Authentic Koto sound recordings
  • User-friendly interface
  • Interactive pitch display
  • String representation with plucked sound
  • Japanese character string numbers
Features
Read full description

KotoTunings is a simple yet powerful app for the 13-stringed Japanese Koto. It offers a collection of 26 traditional tunings, faithfully recorded to capture the Koto's beautiful sound. Whether you're tuning your instrument by ear, exploring scales, or just playing around with tunings, KotoTunings is designed to be easy to use. Key Features: 1. Authentic Sound: Our app delivers the true essence of the Koto with carefully recorded tunings that stay faithful to tradition. 2. User-Friendly Design: KotoTunings is designed for simplicity, allowing you to play and experiment effortlessly, whether you're a seasoned player or a beginner. 3. Versatile Playing: You can pluck strings with ivory picks or touch on the right hand side of the screen for pizzicato. 4. Interactive Pitch Display: See the pitch for each string on the left side of the screen. Tap to hear a triangle wave with the corresponding frequency. 5. String Representation: In the center, you'll find an easy-to-follow representation of the 13 strings. Each string produces a plucked sound at its pitch. 6. Learn Easily: On the right side, you'll see the string numbers in Japanese characters. Tap them to produce plucked sounds. KotoTunings is your gateway to the world of the Japanese Koto. Explore its melodies, study tunings, and enhance your musical skills with this app. Whether you're a seasoned player or just curious, KotoTunings brings the beauty of the Koto to your fingertips. Download KotoTunings now and discover the world of the Japanese Koto at your own pace.

About

MiMi

Experience high-quality audio dramas with captivating stories, charming characters, and romantic plots. This app offers a wonderland of sound, perfect for passing the time or finding comfort on sleepless nights. New popular audio dramas are continuously added.

Highlights
  • Popular audio dramas
  • Captivating stories
  • Charming characters
  • Romantic plots
  • Voice acting
  • New content added
Features
Read full description

アプリ『MiMi』 上質なラジオドラマを、あなたに。 中国の超人気タイトル『魔道祖師』、『偽装の落ちこぼれ』が、日本語版ラジオドラマになって、まもなく配信開始! ◆心躍る物語 魅力的なキャラクター。ロマンティックな恋愛。胸弾む物語。多彩なボイス……。 様々な、人気ラジオドラマが出揃いました。きっとあなたも、夢中になれる作品に出会えることでしょう。 ◆眠れぬ夜には… 退屈な時も、『MiMi』と一緒なら、あっという間。 眠れない夜は、彼あるいは彼女に、優しく囁いてもらいましょう。きっと、良い夢が見られますよ。 ◆声のワンダーランド今後も、様々な人気ラジオドラマを配信していく予定です! あなたを待ち受けるのは、めくるめく声のワンダーランド。ご期待ください!

Screenshots

KotoTunings3 screens
MiMi4 screens

Verdict

The call

The clearest difference is price: MiMi at Free against KotoTunings's $8.99. MiMi also leads on update cadence (every 5 weeks vs every 5 months) and review sentiment (71% vs 56%). KotoTunings's advantage is in-app purchases (none vs 6). On rating, ads, device support and iOS requirement 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

MiMi is free to download; KotoTunings costs $8.99 up front. MiMi sells 6 one-off in-app purchases. KotoTunings asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for KotoTunings against 5.0 for MiMi. That said, the two scores are not equally well evidenced: MiMi has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 56% of KotoTunings's written reviews are positive against 71% of MiMi's.

UpkeepUpdate frequency

KotoTunings ships an update every 5 months, MiMi every 5 weeks. The most recent releases landed on October 9, 2026 and October 29, 2026 respectively.

Scorecard6 real differences · 4 level
KotoTunings versus MiMi: the parameters behind the verdict, then further details
ParameterKotoTuningsMiMi
Price$8.99Free — better
Rating5.0 (1 ratings)5.0 (10 ratings)
Positive reviews55.6% of reviews70.6% of reviews — better
Number of ratings110 — better
Update frequencyEvery 5 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size36 MB11 MB
Age rating4+17+
DeveloperOliver GrimmMimi Incorporated

Customer experience

KotoTunings

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive55.6%
Neutral44.4%
Negative0.0%

MiMi

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews17 reviews
Positive70.6%
Neutral11.8%
Negative17.6%

In-app purchases

None

KotoTunings

No in-app purchases

6 purchases

MiMi

One-time6
  • 120 Mポイント$0.99
  • 370 Mポイント$2.99
  • 1100 Mポイント$9.99
Show 3 more
  • 2080 Mポイント$17.99
  • 4900 Mポイント$39.99
  • 10000 Mポイント$79.99

Questions

Is KotoTunings free?
KotoTunings costs $8.99, with no in-app purchases.
Is MiMi free?
MiMi is free to download, with in-app purchases available.
Which has better reviews, KotoTunings or MiMi?
KotoTunings and MiMi are both rated 5.0 out of 5 on the App Store, from 1 and 10 ratings respectively.
Do KotoTunings or MiMi have ads?
Neither KotoTunings nor MiMi shows ads.
Which is updated more often, KotoTunings or MiMi?
KotoTunings ships an update every 5 months, and MiMi every 5 weeks. Most recently, KotoTunings was updated on October 9, 2026 and MiMi on October 29, 2026.

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