# Voidol vs HolidayBall_Drum

The clearest difference is in-app purchases: HolidayBall_Drum at none against Voidol's 12. HolidayBall_Drum also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Voidol sells 12 one-off in-app purchases. HolidayBall_Drum asks for nothing beyond the download.

Voidol ships an update every 3 months, HolidayBall_Drum every 2 months. The most recent releases landed on September 2, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Voidol | HolidayBall_Drum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (10 ratings)](https://appshunter.io/ios/app/voidol-mobile/id1279151851/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 16.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 252 MB | 46 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CRIMSON TECHNOLOGY, Inc](https://appshunter.io/developer/310846061) | [Shing Sheng](https://appshunter.io/developer/1535804547) |

## What reviewers say

### Voidol

[App page](https://appshunter.io/ios/app/voidol-mobile/id1279151851)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otoshiro Tsukasa | Free | one-time |
| Miranda | Free | one-time |
| Rice Chan | Free | one-time |
| Terashima Yufu(simpαtix) | Free | one-time |
| Otomiya Iroha | $3.99 | one-time |
| Otomiya Urala | $3.99 | one-time |
| Sophia Lambfield | $3.99 | one-time |
| Tohoku Zunko | $29.99 | one-time |
| Koeno Tsubasa | $29.99 | one-time |
| Megpoid | $29.99 | one-time |
| Otomachi Una | $29.99 | one-time |
| Hanazono Kotone | $29.99 | one-time |


### HolidayBall_Drum

[App page](https://appshunter.io/ios/app/holidayball-drum/id1535804545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Voidol free?

Voidol is free to download, with in-app purchases available.

### Is HolidayBall_Drum free?

HolidayBall_Drum is free to download, with no in-app purchases.

### Do Voidol or HolidayBall_Drum have ads?

Voidol shows ads; HolidayBall_Drum does not.

### Which is updated more often, Voidol or HolidayBall_Drum?

Voidol ships an update every 3 months, and HolidayBall_Drum every 2 months. Most recently, Voidol was updated on September 2, 2026 and HolidayBall_Drum on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*