Comparison

BRAIN BLACK vs AI Music

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

Head to head
About

BRAIN BLACK

This app functions as a GPS speedometer for motorcycle riders, displaying speed, bank angle, and slope angle. It offers customizable meter designs and allows for unit switching between km/h and mph.

Highlights
  • GPS speedometer
  • Bank angle display
  • Slope angle display
  • km/h and mph units
  • Customizable meter designs
  • Speedometer reset function
Features
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BRAIN-digital meter for riders- はバイクユーザーへ向けたGPSスピードメーターアプリです。 あなたのiPhoneをマシン取り付けることで、サブメーターとして、また今までのメーターには無かったバンク角やスロープ角などを表示することで新たなライディングスタイルを確立できるでしょう。 メインメーターには、km/hとmphの切替可能なスピードメーター、左側にはバンク角、右側にはスロープ角を表示します。 画面上左上のリセットボタンを押すことで、バンク角とスロープ角がリセットされます。マシンを垂直にし、固定位置を決定した状態でリセットボタンを押すことで、正しい数値を表示しすることができます。 縦にスワイプすることにより、メーターデザインが切り替わります。お好みのデザインメーターをお選びください。 その他詳しい説明等はサポートサイトをご覧ください。 BRAIN-digital meter for riders- is the GPS meter for motorcycle riders. Only equpping your iPhone to your bike, it works as sub meter and further more, works as bank and slope angle meter. This leads your riding style to new paradgim you ever experienced. Main meter has speed meter that you can change the unit both km/h and mph. On the left side, bank angle is displayed and on the right side, slope angle is displayed. Upper left on the display, there is the Reset button. You can reset the bank and slope angle by pressing this button. In order to display bank and slope angle precisely, place your bike upright and fix the location of your iPhone, then press reset button. Swiping display vertically, you can change the design of the meter. You can choose the design as you like. For more detail, please reffer to our support web site. - 注意事項 - ・交通事故防止のため、運転中本製品の操作は絶対に行わないでください。(本製品使用中のいかなる事故について、当方は一切の責任を負いません) ・ご使用の際は、位置情報サービスをONにしてください。 ・機内モードがONの場合、Wifiを使用した場合でも、挙動が乱れることがあります。 ・GPS取得による速度表示のため、正確な速度表示はできませんので、ご了承ください。 ・電波状況により、メーター針の挙動が乱れることがあります。 ・CBR250RRレプリカでのタコメーターは速度に応じてアニメーションするものであり、 回転数を表示しておりません。 ・CBR250RRレプリカではmph表示に切替できません。 - NOTICE - ・Please DO NOT manipulate this application while you are riding in order to avoid an accident. (We are NOT responsible for any accident.) ・When using, set the location information service "ON". ・In case Airplane mode is "ON", this application may show unexpected behavior even using Wi-Fi. ・This application shows the speed calculated with GPS position and the speed displayed is NOT as accurate as original speed meter. ・Due to the reception, indicator may show incorrect values. ・Tachometer of CBR250RR version only shows the animation depending on the speed and does NOT show the real rev. ・CBR250RR version does NOT show the speed in "mph".

About

AI Music

Features
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Introducing AI Music - Ringtone Maker, your ultimate tool for making personalized ringtones effortlessly! With cutting-edge AI, our app allows you to create unique music pieces in no time. Whether you want to convert text to audio, record your voice, or use our extensive library of music and sound ringtones, AI Music - Ringtone Maker has you covered. Key Features: AI Music: - AI Music Generator: Create custom music tracks tailored to your preferences using prompts. - AI Text to Speech: Transform text into amazing ringtones using advanced AI, and make them more dynamic with the voice changer feature. Manual Audio: - Extract Audio from Video: Convert video sound to MP3 and use it as your ringtone. - Voice Recorder: Record audio to make personalized ringtones and enhance them with the voice changer feature for a more lively sound. - Library: Access a wide variety of pre-existing music and sound ringtones from our server. Library: - Stored Audio Library: Save and organize all the audio you create or edit. - Audio Editor: Trim and edit audio files with ease, including options for fade in and fade out effects, ensuring you get the perfect segment for your ringtone. You can register a premium account with all the features of app without ads. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Links to our Terms of Service and Privacy Policy can be found below: https://docs.google.com/document/d/18bkJUC7uRcrlsiH731EGTyO1pouh7ZiYTOcWnOw4iak Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Turn your iPhone into a music machine and make every call a melody with AI Music - Ringtone Maker! Download now and start creating the perfect ringtone today.

Screenshots

BRAIN BLACK3 screens
AI Music4 screens

Verdict

The call

The clearest difference is in-app purchases: BRAIN BLACK at none against AI Music's 2. BRAIN BLACK also leads on ads (none vs shown) and iOS requirement (7.0 vs 13.0). AI Music's advantage is update cadence (every 2 weeks vs monthly). On price 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. AI Music sells 2 in-app purchases, starting at $4.99 per 7 days. BRAIN BLACK asks for nothing beyond the download.

UpkeepUpdate frequency

BRAIN BLACK ships an update monthly, AI Music every 2 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
BRAIN BLACK versus AI Music: the parameters behind the verdict, then further details
ParameterBRAIN BLACKAI Music
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews85.7% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS7.0 — better13.0
Further details — not scored
Size42 MB58 MB
Age rating4+4+
DeveloperKJ-FORCE CO.,LTD.Pham Yen

In-app purchases

None

BRAIN BLACK

No in-app purchases

2 purchases

AI Music

Subscriptions2
  • AI Music Weekly3 Days trial$4.997 Days
  • AI Music Yearly3 Days trial$34.991 Year

Questions

Is BRAIN BLACK free?
BRAIN BLACK is free to download, with no in-app purchases.
Is AI Music free?
AI Music is free to download, with in-app purchases available.
Do BRAIN BLACK or AI Music have ads?
AI Music shows ads; BRAIN BLACK does not.
Which is updated more often, BRAIN BLACK or AI Music?
BRAIN BLACK ships an update monthly, and AI Music every 2 weeks. Most recently, BRAIN BLACK was updated on October 17, 2026 and AI Music on October 25, 2026.

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