# Acc Calculator vs Muzz

The clearest difference is review sentiment: Acc Calculator at 91% against Muzz's 29%. Acc Calculator also leads on price ($0.99 vs $12.99) and rating (4.7 vs 1.0). Muzz's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 4 months). On ads and device support there is nothing between them.

Acc Calculator costs $0.99 and Muzz $12.99 up front. Acc Calculator sells 1 one-off in-app purchase. Muzz asks for nothing beyond the download.

Acc Calculator holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Acc Calculator has 133 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Acc Calculator's written reviews are positive against 29% of Muzz's.

Acc Calculator ships an update every 4 months, Muzz fortnightly. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Acc Calculator | Muzz |
| --- | --- | --- |
| Price | **$0.99** | $12.99 |
| Rating | **[4.7 (133 ratings)](https://appshunter.io/ios/app/acc-calculator/id436099737/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/muzz-audio-spectrum-analyzer/id6443873744/reviews) |
| Number of ratings | **133** | 2 |
| Positive reviews | **91.4% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 11 MB | 19 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Digital Mind Co., Ltd.](https://appshunter.io/developer/425334581) | [Amit Nadir](https://appshunter.io/developer/808729036) |

## What reviewers say

### Acc Calculator

[App page](https://appshunter.io/ios/app/acc-calculator/id436099737)

Perform basic arithmetic calculations with a clear two-line display that shows the formula and result simultaneously. Features large buttons, a paper tape for history, and customizable display options for ease of use.

**Highlights:** Two-line display, Paper tape, Big buttons, Thousands separators, Rounding and decimal modes, Copy/Paste functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic theme set | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Keeps a running tape of calculations
- 🚀 Efficient and fast
- 👍 Intuitive interface
- 👍 Reliable and accurate

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Compatibility issues with certain devices/OS
- 🔋 High battery consumption
- 🔊 Annoying sound effects
- 🔍 Underscore issue on some versions making keys hard to read

**Reported bugs**

- Login screen freezes
- Incompatible with older devices/OS versions
- Crashes when opening or during use

**Requested features**

- Add dark mode option
- Allow saving/printing of calculation history
- Improve compatibility with external keyboards
- Provide more customization options


### Muzz

[App page](https://appshunter.io/ios/app/muzz-audio-spectrum-analyzer/id6443873744)

Analyze audio signals with 21 different spectrum analyzers. Visualize fundamental frequencies, harmonics, and feedback for both beginners and experts. Supports loading audio files or using live microphone input.

**Highlights:** 21 spectrum analyzer types, Load audio files, Live audio mode, Dark and light modes, Peak enhancer

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Acc Calculator free?

Acc Calculator costs $0.99, and also offers in-app purchases.

### Is Muzz free?

Muzz costs $12.99, with no in-app purchases.

### Which has better reviews, Acc Calculator or Muzz?

Acc Calculator is rated higher. Acc Calculator averages 4.7 out of 5 from 133 ratings, while Muzz averages 1.0 from 2 ratings.

### Do Acc Calculator or Muzz have ads?

Neither Acc Calculator nor Muzz shows ads.

### Which is updated more often, Acc Calculator or Muzz?

Acc Calculator ships an update every 4 months, and Muzz fortnightly. Most recently, Acc Calculator was updated on September 21, 2026 and Muzz on September 18, 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.*