Hooloovoo vs Sonic Vision FX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hooloovoo
This utility app converts colors between various formats like RGB, CMYK, and XYZ. It can identify the closest CSS or Crayola color, import custom palettes, and even capture colors using your device's camera. It's a comprehensive tool for all your color conversion needs.
- Multiple color format conversion (RGB, CMYK, XYZ, etc.)
- Find closest CSS/Crayola colors
- Import custom color palettes
- Capture colors with device camera
- Supports iOS 7 and newer devices
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Have you ever needed to convert a colour from one format to another? If you have, Hooloovoo is the utility that you’ve been waiting for. With Hooloovoo you can convert to and from RGB, CMYK, XYZ, Yxy, CIE Lab, Hunter and many more besides. You can find out what the closest CSS or Crayola colour is and import your own palettes. As if that wasn’t enough, Hooloovoo can even capture a colour using the built in camera. Hooloovoo is your one-stop swiss army knife for all your colour needs. If you have a specialist colour conversion requirement that Hooloovoo doesn’t yet support, please get in touch and it will be our pleasure to update Hooloovoo accordingly. Hooloovoo has been tested on iOS 7 devices and newer from the original iPhone 4, through to the very latest iPhone 7s. If your iOS device can run iOS 7 or newer then you can run Hooloovoo on it.
Sonic Vision FX
This app transforms your camera's view into a real-time sonar-like display, creating dramatic radar and sonic wave effects. It's ideal for enhancing sci-fi shots, cyberpunk videos, or adding a futuristic atmosphere to everyday scenes.
- Real-time sonar visual filters
- Intuitive pinch-to-zoom
- Front and rear camera toggle
- Full-screen immersive mode
- Quick save and social sharing
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Sonar visuals, reproduced in real-time through your camera. Professional echolocation experience on your device. Enhance your sci-fi shots and cyberpunk videos. This real-time filter app transforms your camera's visual information into a sonar-like display. Our image processing technology turns everyday scenes into dramatic radar and sonic wave effects. Perfect for night walks, clubbing, sci-fi short films, or any creative photography requiring a near-futuristic atmosphere. - Real-time sonar visual filters - Intuitive pinch-to-zoom functionality - Seamless front and rear camera toggle - Full-screen mode for immersive viewing - Quick save and social media sharing Redefine your reality. Start your new visual experience today.
Screenshots
Verdict
The clearest difference is ads: Hooloovoo at none against Sonic Vision FX's shown. Hooloovoo also leads on rating (5.0 vs 4.8). Sonic Vision FX's advantage is update cadence (daily vs every 31 months) and ratings volume (10 vs 1). On price, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Hooloovoo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Sonic Vision FX has 10 ratings behind it against 1, so its average is the more settled of the two.
Hooloovoo ships an update every 31 months, Sonic Vision FX daily. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Hooloovoo | Sonic Vision FX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.8 (10 ratings) |
| Number of ratings | 1 | 10 — better |
| Update frequency | Every 31 months | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Pascal Harris | Masaharu Tsukamoto |
Customer experience
Hooloovoo
Sonic Vision FX
In-app purchases
Hooloovoo
No in-app purchases
Sonic Vision FX
No in-app purchases
Questions
Is Hooloovoo free?
Is Sonic Vision FX free?
Which has better reviews, Hooloovoo or Sonic Vision FX?
Do Hooloovoo or Sonic Vision FX have ads?
Which is updated more often, Hooloovoo or Sonic Vision FX?
Other comparisons
