OmniCalc vs Waveform Visualizer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OmniCalc
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.
- Scrollable operation history
- Instant result updates
- Date math functions
- Custom conversion calculators
- Save formulas and history
- Standard, Scientific, Statistical modes
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Easy to use calculator that lets you scroll through your operations and make changes with instant results. Includes date math functions to easily add or subtract dates from each other. You can also add or subtract days from any date. • Rotate the iPhone/iPad to instantly swap between different calculators. • Annotate and save a series of operations to create your own conversion calculators. • Save formulas or operation history in your own math library. • Date Math is automatically detected in normal operations. Add or subtract dates from each other, add or subtract a number from any date. Includes: • Standard Calculator Functions • Scientific Calculator Functions • Statistical Calculator Functions • Date Math Calculator Functions
Waveform Visualizer
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.
- Audio to waveform video conversion
- Voice transcribing to text
- Customizable wave styles
- Background media library
- Color customization
- Avatar addition (Pro)
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Audiom helps you transform audio into eye-catching visuals perfect for Instagram, TikTok, and other social platforms. Whether you’re promoting a podcast episode, sharing a voice message, or creating engaging content, Audiom makes your audio stand out. Record your voice, and Audiom instantly converts it into a dynamic waveform video. Add captions, customize colors, and choose a style that matches your vibe. In seconds, you’ll have a share-ready video that brings your voice to life. Perfect for podcasters, storytellers, creators, and anyone who wants their voice to be seen and heard. Features: • Audio to Waveform Video Turn voice recordings into stunning animated waveforms. • Automatic Voice Transcription Convert spoken words into captions to make your message clearer and more engaging. • Beautiful Customization Choose from vibrant colors, gradients, and backgrounds. • Custom Wave Styles Adjust waveform style, gain, and animation to match your sound. • Made for Social Media Create content ready for Instagram, TikTok, and more. Audiom Pro is an auto-renewing subscription. Payment for Plus subscription will be charged to your Apple ID account at the confirmation of purchase. The subscription will renew automatically unless it is canceled at least 24 hours before the end of the current period. https://appersian.app/audiom/termsofuse.html
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 8, 2026 and October 11, 2026 respectively.
| Parameter | OmniCalc | Waveform Visualizer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (72 ratings) — better | 4.2 (118 ratings) |
| Positive reviews | 71.9% of reviews — better | 38.7% of reviews |
| Number of ratings | 72 | 118 — better |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 26 |
| Further details — not scored | ||
| Size | 2 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Jellyfilled Studios | Samira Sadeghi |
Customer experience
OmniCalc
Waveform Visualizer
Bugs and requests
OmniCalc
Not enough reviews yet to summarise bugs or requests.
Waveform Visualizer
Reported bugs
8 issues- 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
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- Paid for lifetime access, sound recording doesn't work
- App freezes, can't press buttons after hitting record
- Doesn't give access to microphone
Requested features
10 requests- Ability to import audio files
- More waveform styles
- Add old LED spectrum EQ look
- Add night rider glowing red waves
- Ability to import photos
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- Ability to import video
- Improve subtitle reliability
- Prevent automatic screen locking during recording
- Add ability to upload audio from another source
- Add square wave option without premium
In-app purchases
OmniCalc
No in-app purchases
Waveform Visualizer
- Audiom Pro Monthly$2.991 Month
- Audiom Pro Weekly$4.997 Days
- Audiom Pro Yearly$14.991 Year
- Audiom Pro$29.99
Questions
Is OmniCalc free?
Is Waveform Visualizer free?
Which has better reviews, OmniCalc or Waveform Visualizer?
Do OmniCalc or Waveform Visualizer have ads?
Which is updated more often, OmniCalc or Waveform Visualizer?
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