# Sounds & Vibrations vs Developer Laboratory

The clearest difference is review sentiment: Sounds & Vibrations at 100% against Developer Laboratory's 60%. Sounds & Vibrations also leads on in-app purchases (none vs 8) and rating (5.0 vs 4.7). Developer Laboratory's advantage is update cadence (monthly vs every 48 months) and price ($0.99 vs $2.99). On ads and device support there is nothing between them.

Sounds & Vibrations costs $2.99 and Developer Laboratory $0.99 up front. Developer Laboratory sells 8 one-off in-app purchases. Sounds & Vibrations asks for nothing beyond the download.

Sounds & Vibrations holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 100% of Sounds & Vibrations's written reviews are positive against 60% of Developer Laboratory's.

Sounds & Vibrations ships an update every 48 months, Developer Laboratory monthly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Sounds & Vibrations | Developer Laboratory |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sounds-and-vibrations/id1539861970/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/developer-laboratory/id1568656582/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 48 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 9 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Boris Giznevsky](https://appshunter.io/developer/1475508046) | [恒盛 程](https://appshunter.io/developer/1533201832) |

## What reviewers say

### Sounds & Vibrations

[App page](https://appshunter.io/ios/app/sounds-and-vibrations/id1539861970)

Enhance mobile applications with a comprehensive library of iOS system sounds and vibrations. Developers can easily integrate immersive sensory elements into their projects for increased user engagement and a more polished feel.

**Highlights:** Comprehensive sound and vibration library, Over 100 unique combinations, Real-time testing of effects, Organized library with search and filter, Seamless integration with iOS system sounds, Boost user engagement with sensory features

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

**In-app purchases:** none


### Developer Laboratory

[App page](https://appshunter.io/ios/app/developer-laboratory/id1568656582)

This app provides a collection of example code and UI components for iOS developers. It demonstrates various functionalities like app icon creation, image viewing, web page loading, and custom controls. Access the source code to learn implementation details.

**Highlights:** APP icon creation, Imitation of WeChat Moments, Web page loading, Custom UI components, QR code scanning, Facial tracking, Database operations

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0 ice cola | $0.99 | one-time |
| 1 ice cola | $0.99 | one-time |
| A sip of iced cola | $0.99 | one-time |
| 一元商品 | $0.99 | one-time |
| 2 ice cola | $1.99 | one-time |
| 3 ice cola | $2.99 | one-time |
| 4.16 ice cola | $3.99 | one-time |
| 16.5 ice cola | $14.99 | one-time |


## Frequently asked questions

### Is Sounds & Vibrations free?

Sounds & Vibrations costs $2.99, with no in-app purchases.

### Is Developer Laboratory free?

Developer Laboratory costs $0.99, and also offers in-app purchases.

### Which has better reviews, Sounds & Vibrations or Developer Laboratory?

Sounds & Vibrations is rated higher. Sounds & Vibrations averages 5.0 out of 5 from 2 ratings, while Developer Laboratory averages 4.7 from 6 ratings.

### Do Sounds & Vibrations or Developer Laboratory have ads?

Neither Sounds & Vibrations nor Developer Laboratory shows ads.

### Which is updated more often, Sounds & Vibrations or Developer Laboratory?

Sounds & Vibrations ships an update every 48 months, and Developer Laboratory monthly. Most recently, Sounds & Vibrations was updated on October 8, 2026 and Developer Laboratory on October 14, 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.*