Comparison

Voidol vs ずんだボイス2

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

Head to head
About

Voidol

Transform your voice in real-time or with a slight delay using AI technology. Choose from preset character voices or purchase additional voice models. Record and save your converted audio for sharing.

Highlights
  • Real-time voice conversion
  • Imitation (Parrot) mode
  • AI-powered voice morphing
  • Preset character voices
  • In-app purchase voice models
  • Voice recording and saving
  • Handsfree headset support
Read full description

Powerful update to Voidol: mobile, the iOS version of real-time voice conversion software Voidol. In addition to the Realtime Talk Mode, a new Parrot (Imitation) Mode has been added to this application. You can switch these two modes by tapping character icon. Parrot (Imitation) Mode: To speak into the iPhone, and the converted voice will be played after soon. Realtime Talk Mode: You can convert your voice in real time by speaking into your iPhone, Recording is also available. The application changes your voice into various character’s voice in real-time by AI technology. In the application, seven characters have been installed as the preset voice models. (Male voice model “Kanade Minato”, “Otoshiro Tsukasa”, “Jack Blow”, Female voice model “Queen Shuffle”, “Rice Chan”, “Miranda” and Boyish female voice model “CRIMMZOH”) You can also install other voice models with in-app purchase. The lineup of the in-app purchase ranges from well-known characters to Crimson Technology's original characters and includes Tohoku Zunko (CV: Satomi Sato)", "Tohoku Kiritan (CV: Himika Akaneya)", "Takanotsume-dan Yoshida-kun (CV: FROGMAN)". [How to play] 1. You can play with iPhone alone, but if you want to enjoy voice change with clearer sound, please use a handsfree headset. (You can also play with the earphone with microphone attached to the iPhone) 2. When using the built-in microphone of the iPhone, you can reduce feedback noise by playing with rotation lock switch off. 3. In the Realtime Talk Mode, you can record a converted voice with the red button at the bottom right. After stopping recording, open the “RecordedList” from the setting icon on the upper right, and a list of recorded data will appear. You can save it on your iPhone or send it by email. [Notes when playing] ・ The Realtime Talk Mode is in the mute at first setup. When using earphones with a microphone, please cancel the mute after connecting the earphones. -If you make a big sound from the iPhone speaker, unpleasant noise is likely to occur due to the feedback. If you are concerned about noise, please lower the volume to play or use a handsfree headset. -When using the built-in microphone of iPhone, the output volume is muted to avoid the feedback noise, but the converted voice is recorded normally. ・ After selecting a voice model, please select the narrator type that sounds good for you from the narrator list. [About Voidol] Voidol is AI real-time voice conversion application that can change your voice into various character’s voice. You can use this software for game streaming, online chat, or YouTube videos. Voidol macOS version won the number one sale on the paid software category on Mac App Store. Voidol Windows version won the number one on the most purchased software category on Amazon.jp. Voidol2 is now available. In addition to the conventional AI mode, a new SYNTH mode has been added. [About R.C.voice] R.C.voice = “R” means “real-time & real-quality”, “C” means “Changer”. Voidol uses R.C.voice technology developed by CRIMSON TECHNOLOGY, Inc. This technology is based on CRIMSON TECHNOLOGY’s original “Metamorphone” method. It has been developed in partnership with the research team of Prof. Toda Tomoki of Nagoya University. ・Specification - Sampling Frequency: 44100Hz - Bit Width: 16bit - Latency: within 100ms - Pitch shifter is used for the voice conversion between male and female. ※Mac App Store, iOS, iPhone is a trademark of Apple Inc. ※R.C.voice is the registered trademark of CRIMSON TECHNOLOGY, Inc. ※Voidol is a trademark of CRIMSON TECHNOLOGY, Inc. ※Described company name and product name are the registered trademarks or trademarks of each company. ※All information including product specifications, is current on the date of the press announcement, but is subject to change without prior notice.

About

ずんだボイス2

This app allows users to generate lip-sync videos using custom characters and voice. It offers advanced customization for voice, speed, and tone, with both online and offline processing options. Users can save, edit, and share their creations.

Highlights
  • Lip-sync video generation
  • Custom character support
  • Advanced voice customization
  • Online and offline processing
  • Speech synthesis
  • Audio saving and sharing
Features
Read full description

ずんだボイスは、VoiceVoxエンジンを使用した高品質なテキスト読み上げアプリです。 【主な機能】 ・テキストを入力するだけで、ずんだもんの声で読み上げ ・完全オフライン対応 - インターネット接続不要 ・音声ファイルの保存・共有機能 ・読み上げ履歴の管理 ・ダークモード対応 【キャラクター】 ずんだもんをはじめ、VoiceVoxの様々なキャラクターの音声を利用できます。追加の音声モデル(VVMファイル)をインポートすることで、さらに多くのキャラクターを追加できます。 【注意事項】 本アプリはVoiceVoxエンジンを使用しています。音声合成にはVoiceVoxのライセンスが適用されます。

Screenshots

Voidol4 screens
ずんだボイス23 screens

Verdict

The call

The clearest difference is review sentiment: ずんだボイス2 at 73% against Voidol's 16%. ずんだボイス2 also leads on rating (4.8 vs 2.3) and update cadence (every 2 weeks vs every 3 months). Voidol's advantage is iOS requirement (13.0 vs 15.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Voidol sells 12 one-off in-app purchases and ずんだボイス2 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ずんだボイス2 holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 10 and 13 respectively. Written reviews point the same way: 16% of Voidol's written reviews are positive against 73% of ずんだボイス2's.

UpkeepUpdate frequency

Voidol ships an update every 3 months, ずんだボイス2 every 2 weeks. The most recent releases landed on September 2, 2026 and September 13, 2026 respectively.

Scorecard4 real differences · 6 level
Voidol versus ずんだボイス2: the parameters behind the verdict, then further details
ParameterVoidolずんだボイス2
PriceFreeFree
Rating2.3 (10 ratings)4.8 (13 ratings) — better
Positive reviews16.2% of reviews73.0% of reviews — better
Number of ratings1013 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.6
Further details — not scored
Size252 MB263 MB
Age rating4+4+
DeveloperCRIMSON TECHNOLOGY, IncToraichi Igarashi

Customer experience

Voidol

All ratings10 ratings
Positive30.0%
Neutral0.0%
Negative70.0%
Written reviews74 reviews
Positive16.2%
Neutral6.8%
Negative77.0%

ずんだボイス2

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews74 reviews
Positive73.0%
Neutral14.9%
Negative12.2%

In-app purchases

12 purchases

Voidol

One-time12
  • Otoshiro TsukasaFree
  • MirandaFree
  • Rice ChanFree
Show 9 more
  • Terashima Yufu(simpαtix)Free
  • Otomiya Iroha$3.99
  • Otomiya Urala$3.99
  • Sophia Lambfield$3.99
  • Tohoku Zunko$29.99
  • Koeno Tsubasa$29.99
  • Megpoid$29.99
  • Otomachi Una$29.99
  • Hanazono Kotone$29.99
3 purchases

ずんだボイス2

Subscriptions2
  • subscription$0.991 Month
  • 年額$9.991 Year
One-time1
  • One-time Puechase$11.99

Questions

Is Voidol free?
Voidol is free to download, with in-app purchases available.
Is ずんだボイス2 free?
ずんだボイス2 is free to download, with in-app purchases available.
Which has better reviews, Voidol or ずんだボイス2?
ずんだボイス2 is rated higher. Voidol averages 2.3 out of 5 from 10 ratings, while ずんだボイス2 averages 4.8 from 13 ratings.
Do Voidol or ずんだボイス2 have ads?
Both Voidol and ずんだボイス2 show ads.
Which is updated more often, Voidol or ずんだボイス2?
Voidol ships an update every 3 months, and ずんだボイス2 every 2 weeks. Most recently, Voidol was updated on September 2, 2026 and ずんだボイス2 on September 13, 2026.

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