# Equal=It Unit Converter Plus vs Volume Booster

The clearest difference is price: Volume Booster at Free against Equal=It Unit Converter Plus's $2.99. Volume Booster also leads on ratings volume (681 vs 96). Equal=It Unit Converter Plus's advantage is rating (4.7 vs 3.6) and review sentiment (96% vs 57%). On update cadence, device support and iOS requirement there is nothing between them.

Volume Booster is free to download; Equal=It Unit Converter Plus costs $2.99 up front. Volume Booster sells 5 in-app purchases, starting at $2.99 per 7 days. Equal=It Unit Converter Plus asks for nothing beyond the download.

Equal=It Unit Converter Plus holds the better App Store score, 4.7 against 3.6. That said, the two scores are not equally well evidenced: Volume Booster has 681 ratings behind it against 96, so its average is the more settled of the two. Written reviews point the same way: 96% of Equal=It Unit Converter Plus's written reviews are positive against 57% of Volume Booster's.

Equal=It Unit Converter Plus ships an update every 2 weeks, Volume Booster every 3 weeks. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Equal=It Unit Converter Plus | Volume Booster |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (96 ratings)](https://appshunter.io/ios/app/equalit-unit-converter-plus/id769120174/reviews)** | [3.6 (681 ratings)](https://appshunter.io/ios/app/volume-booster-equalizer-fx/id1487361377/reviews) |
| Number of ratings | 96 | **681** |
| Positive reviews | **96.2% of reviews** | 57.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 78 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [monkeyLabs Inc.](https://appshunter.io/developer/353063678) | [Kartum Infotech](https://appshunter.io/developer/1258050826) |

## What reviewers say

### Equal=It Unit Converter Plus

[App page](https://appshunter.io/ios/app/equalit-unit-converter-plus/id769120174)

This app is a comprehensive unit conversion tool supporting a wide range of categories including length, weight, currency, and chemistry. It offers an intuitive interface with features like favorite conversions for quick access and a built-in calculator. Optimized for various Apple devices, it aims to simplify everyday calculations.

**Highlights:** Multiple conversion types, Favorite conversions, Built-in calculator, Supports over 160 currencies, Weight to Volume conversion with specific gravity, Direct developer support

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

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and easy-to-use interface
- 🚀 Fast and efficient conversions
- 📚 Comprehensive range of conversion categories
- ⭐ Ability to convert multiple units simultaneously
- ❤️ Favorites/bookmarking feature for frequent conversions

**What reviewers complain about**

- 🐛 App crashes or becomes unresponsive
- 🐛 Keyboard input duplication issues
- 🐛 Incorrect conversion calculations
- 🐛 UI elements partially cut off screen
- ⚠️ Lack of app updates (2+ years without updates)

**Reported bugs**

- Categories button not responding to clicks
- Keyboard input duplicating on single tap
- Top navigation icons partially cut off screen
- Incorrect cooking measurement conversions (6 teaspoons = 96 cups)
- App page appearing and disappearing when selecting categories

**Requested features**

- Fraction support for Imperial measurements
- Copy results to clipboard functionality
- Reverse/swap comparison button for quick unit switching
- App remembering user's preferred unit selections
- Additional unit conversions (Viss to pounds, ticals)


### Volume Booster

[App page](https://appshunter.io/ios/app/volume-booster-equalizer-fx/id1487361377)

Enhance your device's audio with this app, offering volume boosting, bass enhancement, and a customizable equalizer. It includes an offline music player with 3D surround sound capabilities, allowing you to fine-tune audio for music, videos, and more.

**Highlights:** Volume boosting up to 1000%, Bass booster and virtualizer, 10-band customizable equalizer, Offline music player, 3D surround sound with 8D effects, Supports various audio formats

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly unlimited | $2.99 | per 7 days |
| Monthly unlimited | $3.99 | per month |
| Quarterly unlimited | $5.99 | per 3 months |
| Yearly unlimited | $9.99 | per year |
| Volume Booster Pro, Lifetime! | $39.99 | one-time |

**What reviewers like**

- 🚀 Volume booster
- 👍 Excellent sound quality
- 🔋 Enhances audio experience
- 🔊 Powerful bass boost
- 🎧 Works well with speakers/headphones

**What reviewers complain about**

- 🐛 Doesn't work with existing music
- 💰 Requires subscription for full features
- 📢 Too many ads in free version
- 🔌 Doesn't work with all devices
- 🤔 Confusing to use

**Reported bugs**

- App crashes frequently
- Volume boost not working consistently
- Subscription issues

**Requested features**

- Offline mode
- Equalizer controls
- Ability to save custom settings
- Integration with music streaming apps


## Frequently asked questions

### Is Equal=It Unit Converter Plus free?

Equal=It Unit Converter Plus costs $2.99, with no in-app purchases.

### Is Volume Booster free?

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

### Which has better reviews, Equal=It Unit Converter Plus or Volume Booster?

Equal=It Unit Converter Plus is rated higher. Equal=It Unit Converter Plus averages 4.7 out of 5 from 96 ratings, while Volume Booster averages 3.6 from 681 ratings.

### Do Equal=It Unit Converter Plus or Volume Booster have ads?

Volume Booster shows ads; Equal=It Unit Converter Plus does not.

### Which is updated more often, Equal=It Unit Converter Plus or Volume Booster?

Equal=It Unit Converter Plus ships an update every 2 weeks, and Volume Booster every 3 weeks. Most recently, Equal=It Unit Converter Plus was updated on September 22, 2026 and Volume Booster on September 19, 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.*