SeshatVoice vs ボイボTTS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
ボイボTTS
This app converts text into speech using various voices, with on-device processing for enhanced privacy. It allows saving and sharing audio, setting timed alarms, and even composing music with a MIDI editor. Enjoy a wide selection of over 100 distinct voices.
- On-device text-to-speech
- Over 100 voice options
- Save and share audio files
- Timed voice alarms
- MIDI editor for music creation
- Offline processing
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VOICEVOXの声でテキストを読み上げます。 - 音声合成をオンデバイスで行うため、サーバとの通信を必要とせず、プライバシーが守られます。 - 声は100種類以上から選択できます。 - 生成した音声ファイルを保存して、好きな時に再生・共有することができます。 - アラームで指定した時間に声を読み上げます。 - ソング機能 (MIDIエディター搭載) ※音声合成にかかる時間は、端末の性能や文章量に依存し、数秒から数十秒かかります。 ※作成された音声を利用する際は、各音声ライブラリの規約に従ってください。 - 利用規約: https://shinagawa.app/voicevox-tts/terms-and-conditions/ - プライバシーポリシー: https://shinagawa.app/voicevox-tts/privacy-policy/
Screenshots
Verdict
The clearest difference is ads: SeshatVoice at none against ボイボTTS's shown. ボイボTTS's advantage is review sentiment (33% vs 0%) and update cadence (every 3 weeks vs every 4 months). On price, rating, ratings volume 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. SeshatVoice sells 1 one-off in-app purchase and ボイボTTS sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for SeshatVoice against 5.0 for ボイボTTS. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of SeshatVoice's written reviews are positive against 33% of ボイボTTS's.
SeshatVoice ships an update every 4 months, ボイボTTS every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | SeshatVoice | ボイボTTS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 33.3% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 209 MB | 109 MB |
| Age rating | 4+ | 17+ |
| Developer | Yuto Inagaki | Kazuhiro.Yamada |
Customer experience
SeshatVoice
ボイボTTS
In-app purchases
SeshatVoice
- Premium$5.99
ボイボTTS
- premium (monthly)$2.991 Month
