# Waca vs SoundShader

The clearest difference is rating: SoundShader at 5.0 against Waca's 3.3. SoundShader also leads on in-app purchases (none vs 3) and review sentiment (100% vs 71%). Waca's advantage is device support (5 vs 3) and iOS requirement (13.0 vs 26.5). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Waca sells 3 in-app purchases, starting at $0.99 per year. SoundShader asks for nothing beyond the download.

SoundShader holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 71% of Waca's written reviews are positive against 100% of SoundShader's.

Waca ships an update every 3 days, SoundShader every 4 days. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Waca | SoundShader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/waca/id6748253402/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/soundshader/id6801891815/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 70.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 12 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [圣臣 刘](https://appshunter.io/developer/1759893504) | [Andreas Beyer-Bowden](https://appshunter.io/developer/6799174087) |

## What reviewers say

### Waca

[App page](https://appshunter.io/ios/app/waca/id6748253402)

Easily add custom watermarks to your photos as you take them. Adjust transparency and color for personalized branding or identification.

**Highlights:** Add watermarks while taking photos, Customize watermark transparency, Customize watermark color, Quick photo capture

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual VIP | $0.99 | per year |
| Unlock Mac features | $0.99 | one-time |
| Permanent VIP | $2.99 | one-time |


### SoundShader

[App page](https://appshunter.io/ios/app/soundshader/id6801891815)

Transform sound into dynamic, colorful light displays. Choose from various visual presets or customize your own to match any audio, from live microphone input to your music library. Optimized for stunning visuals on modern displays.

**Highlights:** Live microphone audio input, Audio file playback with equalizer, Apple Music integration, Eight built-in visual presets, Customizable color and motion, HDR display support, 120Hz ProMotion support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Waca free?

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

### Is SoundShader free?

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

### Which has better reviews, Waca or SoundShader?

SoundShader is rated higher. Waca averages 3.3 out of 5 from 3 ratings, while SoundShader averages 5.0 from 3 ratings.

### Do Waca or SoundShader have ads?

Neither Waca nor SoundShader shows ads.

### Which is updated more often, Waca or SoundShader?

Waca ships an update every 3 days, and SoundShader every 4 days. Most recently, Waca was updated on October 12, 2026 and SoundShader on September 29, 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.*