# Numzi vs Muzz

The clearest difference is review sentiment: Numzi at 80% against Muzz's 29%. Numzi also leads on rating (4.4 vs 1.0) and price ($4.99 vs $12.99). Muzz's advantage is device support (4 vs 2). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Numzi costs $4.99 and Muzz $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Numzi holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Numzi has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Numzi's written reviews are positive against 29% of Muzz's.

Numzi ships an update every 11 days, Muzz fortnightly. The most recent releases landed on August 15, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Numzi | Muzz |
| --- | --- | --- |
| Price | **$4.99** | $12.99 |
| Rating | **[4.4 (13 ratings)](https://appshunter.io/ios/app/numzi/id1036895529/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/muzz-audio-spectrum-analyzer/id6443873744/reviews) |
| Number of ratings | **13** | 2 |
| Positive reviews | **80.0% of reviews** | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Paid | Paid |
| Best chart rank | **#200** | — |
| Size | 13 MB | 19 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Scott](https://appshunter.io/developer/1036895528) | [Amit Nadir](https://appshunter.io/developer/808729036) |

## What reviewers say

### Numzi

[App page](https://appshunter.io/ios/app/numzi/id1036895529)

**Currently charting:** #200 Top Paid · Utilities (US App Store)

Easily convert numbers into memorable words and vice versa using a phonetic code. This tool helps you remember credit card numbers, phone numbers, dates, and more, making daily life simpler. It includes a comprehensive offline dictionary for enhanced memory recall.

**Highlights:** Number to word conversion, Word to number conversion, Offline dictionary, Mnemonic Major System, Peg System integration, Pronunciation included

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Numzi free?

Numzi costs $4.99, with no in-app purchases.

### Is Muzz free?

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

### Which has better reviews, Numzi or Muzz?

Numzi is rated higher. Numzi averages 4.4 out of 5 from 13 ratings, while Muzz averages 1.0 from 2 ratings.

### Do Numzi or Muzz have ads?

Neither Numzi nor Muzz shows ads.

### Which is updated more often, Numzi or Muzz?

Numzi ships an update every 11 days, and Muzz fortnightly. Most recently, Numzi was updated on August 15, 2026 and Muzz on September 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*