# AudioCalc vs Konvert

The clearest difference is review sentiment: Konvert at 79% against AudioCalc's 33%. Konvert also leads on rating (4.8 vs 3.0) and update cadence (monthly vs every 7 months). AudioCalc's advantage is iOS requirement (7.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

AudioCalc costs $2.99 and Konvert $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Konvert holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Konvert has 364 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of AudioCalc's written reviews are positive against 79% of Konvert's.

AudioCalc ships an update every 7 months, Konvert monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | AudioCalc | Konvert |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/audiocalc/id294447976/reviews) | **[4.8 (364 ratings)](https://appshunter.io/ios/app/konvert/id679568189/reviews)** |
| Number of ratings | 1 | **364** |
| Positive reviews | 33.3% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 2 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nelcea](https://appshunter.io/developer/1694672221) | [InnovationBox](https://appshunter.io/developer/388046149) |

## What reviewers say

### AudioCalc

[App page](https://appshunter.io/ios/app/audiocalc/id294447976)

This tool provides audio-specific conversion formulas for HiFi enthusiasts, home theater buffs, and audio professionals. It includes converters for frequency, band, delay, volume, and room modes, aiding in loudspeaker positioning, EQ setup, and room acoustics. Supports both imperial and metric units.

**Highlights:** Frequency, period, and wavelength converter, Parametric EQ band setup tool, Speaker distance and delay calculator, Amplifier power calculation, Room mode response computation, Imperial and metric unit support

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

**In-app purchases:** none


### Konvert

[App page](https://appshunter.io/ios/app/konvert/id679568189)

This app provides a simple and intuitive way to perform unit and currency conversions. It features a clean design, supports numerous categories and units, and offers convenient features like real-time conversion and widget integration.

**Highlights:** Easy to use with clean design, 24 categories and hundreds of units, Converts as you type, Today widget for last conversion, 3D Touch shortcut for currency converter, Localized in multiple languages

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

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful, clean, and intuitive user interface design
- ⚡ Fast and easy to use for quick conversions
- 📊 Comprehensive range of unit conversions available
- ✨ Smooth animations and polished visual presentation
- 🔄 Works offline for currency and unit conversions

**What reviewers complain about**

- 💱 Exchange rates not updating or frequently inaccurate
- 🐢 Cumbersome unit selection process (swiping through tiny windows)
- 📉 Lack of developer support and long periods without updates
- ❌ Missing common conversion categories (volume/liquid conversions)
- 🔢 Limited currency options (only ~10 out of 150+ worldwide currencies)

**Reported bugs**

- Exchange rates not updating properly
- Inaccurate currency conversion rates (off by significant margins)
- Data conversion errors (KB to Bytes calculation incorrect)
- Unit arrangement feature non-functional
- Missing units in various categories despite being listed

**Requested features**

- Add volume/liquid conversions (ml to oz, liters, etc.)
- Expand currency list to include more world currencies
- Improve unit selection interface (tap-to-select instead of swiping)
- Add more measurement units (miles per gallon, stone weight, etc.)
- Implement different color themes or dark mode


## Frequently asked questions

### Is AudioCalc free?

AudioCalc costs $2.99, with no in-app purchases.

### Is Konvert free?

Konvert costs $1.99, with no in-app purchases.

### Which has better reviews, AudioCalc or Konvert?

Konvert is rated higher. AudioCalc averages 3.0 out of 5 from 1 ratings, while Konvert averages 4.8 from 364 ratings.

### Do AudioCalc or Konvert have ads?

Neither AudioCalc nor Konvert shows ads.

### Which is updated more often, AudioCalc or Konvert?

AudioCalc ships an update every 7 months, and Konvert monthly. Most recently, AudioCalc was updated on October 8, 2026 and Konvert on October 7, 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.*