o46scope vs Frequency Gen
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
o46scope
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o46scope is an audio measurement app for iPhone and iPad that helps you visualize sound in real time. It supports oscilloscope and FFT spectrum display, allowing you to inspect waveforms and frequency components instantly. The app also supports internal signal generation with Tone1 / Tone2 and test signal (Beep) output, making it useful for quick checks, learning, and simple audio measurement tasks. Key features ⢠Oscilloscope display ⢠FFT spectrum display ⢠Signal tab for signal control ⢠Internal signal generation with Tone1 / Tone2 ⢠Speaker output for tones ⢠Test signal (Beep) output ⢠Adjustable parameters Premium Tone1 / Tone2 internal signal generation is available as a premium feature. It is available without ads. Ideal for users who want waveform visualization, frequency analysis, and signal generation in one app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Frequency Gen
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Frequency Gen generates audio tones from 1 Hz to 22,000 Hz with 4 wave types: sine, square, triangle, and sawtooth. Frequency controls Logarithmic slider Fine tuning +/- in 1 / 10 / 100 Hz steps Quick presets: 40, 100, 440, 1000, 8000, 16000 Hz Favorites: save up to 10 frequency + waveform combos Waveform viewer Real-time waveform (canvas), on/off Settings Volume control with a warning above 80% Light/dark theme Haptic feedback (on/off) 4 languages: EN, ES, CA, DE Silent switch detection Onboarding for new users Built-in FAQ
Screenshots
Verdict
The clearest difference is in-app purchases: Frequency Gen at none against o46scope's 1. o46scope's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 3 months). On price and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. o46scope sells 1 in-app purchase, starting at $19.99 per year. Frequency Gen asks for nothing beyond the download.
o46scope ships an update every 6 weeks, Frequency Gen every 3 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | o46scope | Frequency Gen |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks ā better | Every 3 months |
| Ads | No ā better | Yes |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 ā better | 15.0 |
| Further details ā not scored | ||
| Size | 53 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinsuke Tsutsui | Nina Lobadina |
In-app purchases
o46scope
- Premium7 Days trial$19.991 Year
Frequency Gen
No in-app purchases
Questions
Is o46scope free?
Is Frequency Gen free?
Do o46scope or Frequency Gen have ads?
Which is updated more often, o46scope or Frequency Gen?
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