Sky Studio vs VoiSona
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sky Studio
Create, practice, and play sheet music for "Sky: Children of the Light." Features include composing with editing tools, practicing with adjustable settings, and an instrument pad for free play. Supports multiple music file formats.
- Compose sheet music
- Practice sheet music
- Instrument pad mode
- Save and load scores
- Metronome
- Multiple supported formats (JSON, ABC, MIDI)
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[Note: This app is not made by That Game Company.] The Sky Studio is a tool to make & practice the sheet music of "Sky: children of the light" simply. -Overall feature- 1. Compose mode: Create sheet music, and listen to it. 2. Practice mode: Practice sheet music. 4. Instrument pad mode: Separate instrument pads to play freely. [Compose mode] 1. Save & Load the sheet music 2. Play & Pause 3. Metronome 4. Double layer system 5. Copy, cut, erase, and delete portions of sheet music 6. Select BPM, Pitch, Instrument [Practice mode] 1. Load 2. Practice system(Repeating a specific section, Hiding key, etc) 3. Resize pad, and toggle sheet view mode 4. Play & Pause the sheet 5. Metronome 6. Select BPM, Pitch, Instrument [Instrument pad mode] 1. Select Pitch, Instrument 2. Resize pad 3. Metronome [ETC] 1. Cave effect(Thanks to Specy) [Supproted format] 1. Json - Compatible with many other fan made programs, support encryption. 2. ABC1/5 - Easy to understand. A1,A2,...,C4,C5 means 15 keys, '.' means delay. 3. Midi - Officially used format in music work. [Json - Encryption] The purpose of this feature is to prevent abusing other people's score for automatic playing in the game(macro). Please activate this when you share sheet files at the community.
VoiSona
Create professional-quality singing voices with an intuitive interface. Input notes and lyrics, then easily adjust timing, pitch, and tone. Access a variety of voice libraries and integrate with your favorite music production software.
- AI singing voice synthesis
- Intuitive piano roll input
- Precise vocal adjustments
- Diverse voice libraries
- DAW integration (Audio Unit v3)
- MusicXML and MIDI import/export
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VoiSona is a next-generation singing voice synthesis app that makes it easy to create high-quality vocals. With its intuitive design, it can be used by everyone, from beginners to professionals, expanding new possibilities for music production. [Easy Operation for Realistic Singing Voices] Just input notes on the piano roll, add your lyrics, and let VoiSona do the rest, creating a professional-quality singing voice in no time. You can also make precise adjustments to timing, pitch, and tone with ease. [Variety of Voice Libraries] VoiSona comes with the default voice library "Chis-A" and offers a wide variety of additional voice libraries, including collaborations with popular artists, renowned voice actors, and trending VTubers. [Compatible with DAWs] Whether you're using it as a standalone app or integrating it into your favorite DAW like GarageBand, Logic Pro, or Cubasis via Audio Unit v3, VoiSona adapts seamlessly to your workflow. [Import/Export Support] Supports importing and exporting various file formats, including MusicXML and MIDI. *Export functionality is only available in standalone mode. *VoiSona creates its voice libraries using licensed recording data. Chis-A ©Techno-Speech, Inc. Sato Sasara ©CeVIO Kirune ©Techno-Speech, Inc. AiSuu ©Techno-Speech, Inc. #kzn ©Kizuna AI Inc. Yuzuki Yukari Rei ©VOCALOMAKETS MYK-IV ©Techno-Speech, Inc. Futaba Minato ©Gasoline Alley Inc. Suzuki Tsudumi ©CeVIO Pepper ©SoftBank Robotics IA ©1st PLACE Co.,Ltd. OИE ©1st PLACE Co.,Ltd. Ci flower ©Ci flower Takamura Hibiki ©Konami Digital Entertainment Kazamatsuri Asahi ©Konami Digital Entertainment Komurasaki Momoka ©Konami Digital Entertainment Yamada Kanon ©Konami Digital Entertainment Kanato Mell ©candy cream algorithm, Inc. Tamaki ©NORIPRO Zundamon ©SSS Shikoku Metan ©SSS Tohoku Zunko ©SSS Tohoku Itako ©SSS Tohoku Kiritan ©SSS REML ©Bandai Namco Entertainment Inc. SELENA ©Chorical LLC Lunon ©Tsukino Soyogi Soyogi ©Soyogi Fractal Jasper ©GEMVOX Ui ©Ui Shigure / ©INCOLORE LeuR ©rurudot Ying Can ©Chorical LLC NAYUTA ©project nayuta Yurin ©Sephirese Limited Otobe Hisui ©GEMVOX
Screenshots
Verdict
The clearest difference is update cadence: Sky Studio at every 2 weeks against VoiSona's every 6 weeks. Sky Studio also leads on rating (4.4 vs 4.2) and review sentiment (85% vs 74%). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sky Studio holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 118 and 114 respectively. Written reviews point the same way: 85% of Sky Studio's written reviews are positive against 74% of VoiSona's.
Sky Studio ships an update every 2 weeks, VoiSona every 6 weeks. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.
| Parameter | Sky Studio | VoiSona |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (118 ratings) — better | 4.2 (114 ratings) |
| Positive reviews | 84.9% of reviews — better | 73.5% of reviews |
| Number of ratings | 118 — better | 114 |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 80 MB | 215 MB |
| Age rating | 4+ | 4+ |
| Developer | JoneRyeol Kim | Techno-Speech, Inc. |
Customer experience
Sky Studio
VoiSona
Bugs and requests
Sky Studio
Not enough reviews yet to summarise bugs or requests.
VoiSona
Reported bugs
3 issues- Midi files don't work when imported
- TSSLN files can't be imported
- App freezes when trying to import files
Requested features
5 requests- Add more voicebanks (free and paid)
- Ability to import MIDI files
- Support for multiple tracks/harmonies
- Improved scrolling and zooming functionality
- AUv3 support
In-app purchases
Sky Studio
No in-app purchases
VoiSona
No in-app purchases
