Vivid Studio vs SeshatVoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vivid Studio
Create 3D model-based videos and images. Import your own 3D models and motion data, arrange them in a scene with lights, and preview your animation. Export your creations as videos or still images.
- Import 3D model data (.obj, .x, .pmd, .pmx)
- Import motion data (.vmd, .vpd)
- Edit CG scenes with models and lights
- Attach motion files to models
- Preview scenes with animations
- Export as videos and images
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The Vivid Studio is an app for creating 3D model-based video. With Vivid Studio, you can do the following things: - Import 3D model data of the supported file format. - Edit CG scene by placing 3D models and lights. - Attach motion files to the 3D models. - Preview the edited scene with motions. - Export the edited scene as videos and images. Note that this app doesn't include any 3D model data and motion data. You need to prepare and import them by yourself. Vivid Studio currently supports the following file formats: - 3D data: .obj, .x, .pmd (MikuMikuDance model format), .pmx (MikuMikuDance model format) - Motion data: .vmd, .vpd (MikuMikuDance motion format, MikuMikuDance pose format) "MikuMikuDance" is a freeware developed by You Higuchi. About the asset data used in this app page The usage of the asset data in the preview and the screenshots is within the license terms provided by the asset creators. - ニコニコ立体ちゃん (and its motion data) - Available at https://3d.nicovideo.jp/alicia/ - License terms: https://3d.nicovideo.jp/alicia/rule.html - 【MMDステージ配布】床ステージ - 【MMDステージ配布】スカイドーム 真っ青と雲【スカイドーム】 - Available at http://tiizu-mmd.com
SeshatVoice
Transform your speech into character voices from VoiceVox, like Zundamon. Simply speak into your smartphone and hear your words converted in real-time. Ideal for events, streaming, or private conversations.
- Speech to character voice conversion
- Supports VoiceVox characters (e.g., Zundamon)
- Real-time streaming capability
- Simple smartphone interface
- Japanese language support only
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SeshatVoice recognizes what you are saying and sequentially converts it into the character voices of VoiceVox such as Zunda Voice, and outputs it! (Supported language is Japanese only) The usage is simple! Just talk to your smartphone! After a few seconds, the recognized string will be sequentially output in the converted voice. VoiceVox's character voices can be used! During events or when hosting, you can stream the voice at a speed close to real-time without revealing your identity! - Precautions for use - ・Please speak from the speaker to the smartphone as much as possible. ・It does not go in real time, but there is a lag of a few seconds. ・There is a possibility that errors may occur in the recognition result or in the part that is cut out and generated. ・If you want to improve the accuracy, please turn off 'Read before fixed'. Reading aloud will start in a situation where the recognition accuracy is high. - credits - VoiceVox VoiceVox:ずんだもん and so on. All detailed credits is written in App Credits page.
Screenshots
Verdict
The clearest difference is review sentiment: Vivid Studio at 68% against SeshatVoice's 0%. Vivid Studio also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 4 months). SeshatVoice's advantage is price (Free vs $4.99) and rating (5.0 vs 3.7). On 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
SeshatVoice is free to download; Vivid Studio costs $4.99 up front. SeshatVoice sells 1 one-off in-app purchase. Vivid Studio asks for nothing beyond the download.
SeshatVoice holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: Vivid Studio has 24 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 68% of Vivid Studio's written reviews are positive against 0% of SeshatVoice's, so the app with the better star average is not the one people write more warmly about.
Vivid Studio ships an update every 3 weeks, SeshatVoice every 4 months. Both last shipped on November 7, 2026.
| Parameter | Vivid Studio | SeshatVoice |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.7 (24 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 68.1% of reviews — better | 0.0% of reviews |
| Number of ratings | 24 — better | 2 |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 4 MB | 209 MB |
| Age rating | 4+ | 4+ |
| Developer | taitor | Yuto Inagaki |
Customer experience
Vivid Studio
SeshatVoice
In-app purchases
Vivid Studio
No in-app purchases
SeshatVoice
- Premium$5.99
