# OmniCalc vs Waveform Visualizer

The clearest difference is rating: OmniCalc at 4.7 against Waveform Visualizer's 4.2. OmniCalc also leads on in-app purchases (none vs 4) and review sentiment (72% vs 39%). Waveform Visualizer's advantage is update cadence (every 4 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Waveform Visualizer sells 4 in-app purchases, starting at $2.99 per month. OmniCalc asks for nothing beyond the download.

OmniCalc holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 72 and 118 respectively. Written reviews point the same way: 72% of OmniCalc's written reviews are positive against 39% of Waveform Visualizer's.

OmniCalc ships an update every 2 months, Waveform Visualizer every 4 weeks. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | OmniCalc | Waveform Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (72 ratings)](https://appshunter.io/ios/app/omnicalc/id363882488/reviews)** | [4.2 (118 ratings)](https://appshunter.io/ios/app/waveform-visualizer-audiom/id1587308997/reviews) |
| Number of ratings | 72 | **118** |
| Positive reviews | **71.9% of reviews** | 38.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 31 MB |
| Requires iOS | **13.0** | 26 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jellyfilled Studios](https://appshunter.io/developer/305571437) | [Samira Sadeghi](https://appshunter.io/developer/1808607496) |

## What reviewers say

### OmniCalc

[App page](https://appshunter.io/ios/app/omnicalc/id363882488)

This app offers a versatile calculator with a scrollable history for easy editing and instant results. It features date math, custom conversion calculators, and a personal math library for saving formulas and operations. Supports standard, scientific, and statistical calculations.

**Highlights:** Scrollable operation history, Instant result updates, Date math functions, Custom conversion calculators, Save formulas and history, Standard, Scientific, Statistical modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Waveform Visualizer

[App page](https://appshunter.io/ios/app/waveform-visualizer-audiom/id1587308997)

Transform your audio into captivating waveform videos for social media. Easily convert voice recordings into visual content with customizable backgrounds, colors, and wave styles. Transcribe your speech to text and make your voice stand out.

**Highlights:** Audio to waveform video conversion, Voice transcribing to text, Customizable wave styles, Background media library, Color customization, Avatar addition (Pro)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Audiom Pro Monthly | $2.99 | per month |
| Audiom Pro Weekly | $4.99 | per 7 days |
| Audiom Pro Yearly | $14.99 | per year |
| Audiom Pro | $29.99 | one-time |

**What reviewers like**

- 👍 Useful for social media
- 👍 Visually pleasing output
- 👍 Simple to use
- 👍 Handy for sharing voice
- 👍 Nice setup

**What reviewers complain about**

- 👎 Many features locked behind pro
- 👎 Basic version not worth it
- 👎 No audio import functionality
- 👎 App doesn't work
- 👎 Paid for lifetime, doesn't work

**Reported bugs**

- Subtitles freak out
- App doesn't work after screen locks
- Buttons and recording disappear after unlocking
- App crashes constantly
- Doesn't work on iPad Pro or iPhone 13 Pro Max

**Requested features**

- Ability to import audio files
- More waveform styles
- Add old LED spectrum EQ look
- Add night rider glowing red waves
- Ability to import photos


## Frequently asked questions

### Is OmniCalc free?

OmniCalc is free to download, with no in-app purchases.

### Is Waveform Visualizer free?

Waveform Visualizer is free to download, with in-app purchases available.

### Which has better reviews, OmniCalc or Waveform Visualizer?

OmniCalc is rated higher. OmniCalc averages 4.7 out of 5 from 72 ratings, while Waveform Visualizer averages 4.2 from 118 ratings.

### Do OmniCalc or Waveform Visualizer have ads?

Neither OmniCalc nor Waveform Visualizer shows ads.

### Which is updated more often, OmniCalc or Waveform Visualizer?

OmniCalc ships an update every 2 months, and Waveform Visualizer every 4 weeks. Most recently, OmniCalc was updated on October 16, 2026 and Waveform Visualizer on October 11, 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.*