Tone Gen Pro vs Frequency Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tone Gen Pro
Create various audio signals, including single tones, sweeps, and merged sounds, with extensive parameter control. Ideal for students, musicians, educators, and audio professionals exploring sound.
- Generate single type signals (sine, square, noise)
- Create sweep (chirp) signals (linear/exponential)
- Generate click signals with adjustable duty cycle
- Merge multiple tones and sweeps
- Frequencies up to 20 kHz
- Extensive parameter control
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Generate audio signal of different shapes with many parameters and options. You can generate frequencies up to 20 kHz of audio signal. If you are curious student about sound after a physics class, music instruments hobbyist/professional, a teacher, or a professional in audio equipment, this app is for you ! You can generate: - Single type signal (sinusoidal, square, noise, etc) - Sweep (chirp) signal (linear or exponential) - Click: ON-OFF sine wave with any duty cycle and ON frequency - Merged sound of any number of tones or sweeps
Frequency Calculator
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Frequency ,notation for ν, is a physical quantity that produces the number of repetitions of a periodic phenomenon in a unit of time (periodic motion). It is equal to the inverse of the duration of one of the recurring events, period T.
Screenshots
Verdict
The clearest difference is in-app purchases: Frequency Calculator at none against Tone Gen Pro's 1. On price, update cadence, 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. Tone Gen Pro sells 1 one-off in-app purchase. Frequency Calculator asks for nothing beyond the download.
Tone Gen Pro ships an update every 3 months, Frequency Calculator every 6 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Tone Gen Pro | Frequency Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (48 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 48 — better | — |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 44 MB | 43 MB |
| Age rating | 12+ | 4+ |
| Developer | Ibrahim Al-Sammarraie | Stage Coding |
In-app purchases
Tone Gen Pro
- Tone Gen Pro Full$1.99
Frequency Calculator
No in-app purchases
Questions
Is Tone Gen Pro free?
Is Frequency Calculator free?
Do Tone Gen Pro or Frequency Calculator have ads?
Which is updated more often, Tone Gen Pro or Frequency Calculator?
Other comparisons
