# Color Expert! vs VoltVault

The clearest difference is price: VoltVault at Free against Color Expert!'s $0.99. VoltVault also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). Color Expert!'s advantage is iOS requirement (12.0 vs 17.6). On in-app purchases and device support there is nothing between them.

VoltVault is free to download; Color Expert! costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Color Expert! ships an update every 3 months, VoltVault fortnightly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Color Expert! | VoltVault |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [竞尘 胡](https://appshunter.io/developer/958918034) | [朝霞 程](https://appshunter.io/developer/1889121684) |

## What reviewers say

### Color Expert!

[App page](https://appshunter.io/ios/app/color-expert/id1099610513)

Easily convert color values between HEX, RGB, HSB, and CMYK formats. Input your color values and instantly see the corresponding information displayed. This utility is designed for users who frequently work with or prefer HSB color conversions.

**Highlights:** HEX to RGB conversion, RGB to HSB conversion, HSB to CMYK conversion, CMYK to HEX conversion, Real-time color info display, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### VoltVault

[App page](https://appshunter.io/ios/app/voltvault/id6772879860)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Color Expert! free?

Color Expert! costs $0.99, with no in-app purchases.

### Is VoltVault free?

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

### Do Color Expert! or VoltVault have ads?

Color Expert! shows ads; VoltVault does not.

### Which is updated more often, Color Expert! or VoltVault?

Color Expert! ships an update every 3 months, and VoltVault fortnightly. Most recently, Color Expert! was updated on November 1, 2026 and VoltVault on October 31, 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.*