Comparison

ZCalcIt vs Frequency Generator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZCalcIt

Read full description

• Basic add, subtraction, multiply, divide, and power calculations. • Create variables to reuse in calculations. • Library of basic functions: sine, cosine, tangent, and more. • Units: Unit conversion (i.e., linear, time, temperature) functions. • Organized a set of calculations into projects for future references. • Documentation: Complete built-in documentation of all functions with numerous examples to get you started quickly.

About

Frequency Generator

This app generates pure tones and binaural beats for focus, relaxation, or sleep. It also functions as a real-time sound analyzer, identifying musical notes and visualizing sound levels. Save and reuse your favorite settings with a clean, intuitive interface.

Highlights
  • Generate pure tones (1 Hz - 20,000 Hz)
  • Create custom binaural beats
  • Real-time sound frequency detection
  • Identify musical notes
  • Visualize sound levels
  • Save and reuse presets
Features
Read full description

Waves — A modern frequency generator, binaural beats creator, and real-time sound analyzer. Whether you’re tuning instruments, experimenting with tones, or exploring sound frequencies for focus and relaxation, Waves gives you precise control with a clean, immersive interface. Generate Pure Frequencies Create accurate tones from 1 Hz to 20,000 Hz * Sine, Square, and Triangle waveforms * Smooth real-time adjustments * High-quality audio output Binaural Beats Design custom binaural frequencies for different states: * Focus & concentration * Relaxation & calm * Sleep & deep rest Fine-tune left/right channels and beat differences with precision. Real-Time Frequency Detection Turn your device into a sound analyzer: * Detect live frequencies via microphone * Identify musical notes instantly * Visualize sound levels and signal intensity Save & Reuse Presets * Save your favorite tones and beats * Quickly access and organize presets * Mark favorites for easy access Designed for Simplicity * Minimal, distraction-free interface * Smooth animations and modern visuals * Built with performance and precision in mind Perfect for: * Musicians & producers * Sound engineers * Students & learners * Meditation & focus enthusiasts * Anyone curious about sound Waves turns your device into a powerful sound tool — simple, precise, and beautifully designed. Privacy Policy: https://frequencymetrics.com/privacy.html Terms & Conditions: https://frequencymetrics.com/terms.html

Screenshots

ZCalcIt2 screens
Frequency Generator4 screens

Verdict

The call

The clearest difference is update cadence: Frequency Generator at every 6 days against ZCalcIt's every 11 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ZCalcIt ships an update every 11 months, Frequency Generator every 6 days. The most recent releases landed on May 17, 2026 and September 16, 2026 respectively.

Scorecard1 real difference · 8 level
ZCalcIt versus Frequency Generator: the parameters behind the verdict, then further details
ParameterZCalcItFrequency Generator
PriceFreeFree
Rating5.0 (1 ratings) — better
Number of ratings1 — better
Update frequencyEvery 11 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.217.0 — better
Further details — not scored
Size7 MB23 MB
Age rating4+4+
DeveloperZynergy Apps LLCDejan Atanasov

In-app purchases

None

ZCalcIt

No in-app purchases

None

Frequency Generator

No in-app purchases

Questions

Is ZCalcIt free?
ZCalcIt is free to download, with no in-app purchases.
Is Frequency Generator free?
Frequency Generator is free to download, with no in-app purchases.
Do ZCalcIt or Frequency Generator have ads?
Neither ZCalcIt nor Frequency Generator shows ads.
Which is updated more often, ZCalcIt or Frequency Generator?
ZCalcIt ships an update every 11 months, and Frequency Generator every 6 days. Most recently, ZCalcIt was updated on May 17, 2026 and Frequency Generator on September 16, 2026.

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