Comparison

蓝牙MIDI助理 vs Voice Pack

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

Head to head
About

蓝牙MIDI助理

Features
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让iOS设备一键连接MIDI蓝牙设备。最大特色是用户无需打开其他使用MIDI蓝牙设备的应用设置就可以直接连接MIDI设备。FREE应用,免注册应用。蓝牙MIDI助理具有自动重连功能;在完全退出应用后,更会记录上一次连接的设备信息来让下一次连接更快速。

About

Voice Pack

Features
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Sound changer is an APP focused on sound changing, with rich and natural sound changing effects. It adopts a new sound changing algorithm to adjust timbre, pitch, fundamental frequency and forresonance peak to achieve sound changing. Sound changing effects include male to female, female to male, robot, child, uncle and other sound changing effects, as well as bus, wind, rainy day, train, seaside, terror, thunder and other environmental sound effects. Let all users play a personalized sound changing experience. Feature • Recording voice change: In a new way, make your voice interesting, add special effects to the sound, free recording using girls, uncles, funny, thriller all kinds of sound effects play. • Text to speech: Professional text to speech one-click synthetic voice change, voice conversion is immediately available, Chinese + dialect + children's voice at will switch, a variety of pronunciation people choose. • Voice coil material: hot mass voice package, whether it is Tiktok Kuaishou or Jedi survival to stimulate the battlefield peace elite to eat chicken game, or wechat QQ Mo chat software, you can easily voice chat friends. • Crayon Shin, Chibi Maruko-chan and Donald Duck have highly realistic voices. Large coverage of dialect variations: Cantonese, Shaanxi, Northeast, Hunan, Sichuan, Taipu and other everything.

Screenshots

蓝牙MIDI助理4 screens
Voice Pack4 screens

Verdict

The call

The clearest difference is in-app purchases: 蓝牙MIDI助理 at none against Voice Pack's 7. 蓝牙MIDI助理 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, 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

Both are free to download. Voice Pack sells 7 one-off in-app purchases. 蓝牙MIDI助理 asks for nothing beyond the download.

UpkeepUpdate frequency

蓝牙MIDI助理 ships an update every 3 weeks, Voice Pack every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 3 level
蓝牙MIDI助理 versus Voice Pack: the parameters behind the verdict, then further details
Parameter蓝牙MIDI助理Voice Pack
PriceFreeFree
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS9.1 — better10.0
Further details — not scored
Size3 MB27 MB
Age rating4+4+
Developer于斯教育科技(上海)有限公司Changsha yuanli network technology co. LTD.

In-app purchases

None

蓝牙MIDI助理

No in-app purchases

7 purchases

Voice Pack

One-time7
  • 50words$2.99
  • 100words$3.99
  • 200words$8.99
Show 4 more
  • 300words$12.99
  • 400words$15.00
  • 500words$20.00
  • >500words$30.00

Questions

Is 蓝牙MIDI助理 free?
蓝牙MIDI助理 is free to download, with no in-app purchases.
Is Voice Pack free?
Voice Pack is free to download, with in-app purchases available.
Do 蓝牙MIDI助理 or Voice Pack have ads?
Voice Pack shows ads; 蓝牙MIDI助理 does not.
Which is updated more often, 蓝牙MIDI助理 or Voice Pack?
蓝牙MIDI助理 ships an update every 3 weeks, and Voice Pack every 2 months. Most recently, 蓝牙MIDI助理 was updated on September 17, 2026 and Voice Pack on September 10, 2026.

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