Live Spectrogram vs calcDS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Live Spectrogram
Visualize sound frequencies in real-time with this tool. It displays audio intensity across time and frequency using color, helping you perfect singing, analyze animal calls, or locate household noises.
- Real-time audio visualization
- Frequency analysis
- Time-based spectrum display
- Intensity shown by color
- Singing voice perfection
- Animal call analysis
- Sound source identification
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Visualize audio with this handy tool. It displays the frequencies of sound around you over time. The horizontal axis is time, the vertical is frequency, and the intensity of frequencies is shown using pretty shades of red. Use it to: Perfect your singing voice Analyze the call of animals Identify and locate annoying sounds around your house Learn about the world of frequency analysis I hope you enjoy this handy little tool!
calcDS
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The Last Calculator you will ever need. Perfect choice for scientists, engineers and programmers.featuring standard mathematic functions, as well as a full 64bit binary calculator with displays in Binary, Octal, Decimal and Hexadecimal. There are no IN-APP purchases or annoying ads ever
Screenshots
Verdict
Live Spectrogram and calcDS are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Live Spectrogram costs $1.99 and calcDS $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Live Spectrogram | calcDS |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.8 (6 ratings) — better | — |
| Positive reviews | 62.5% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 31 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 15 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Krueger Systems, Inc. | R.David Sisemore |
In-app purchases
Live Spectrogram
No in-app purchases
calcDS
No in-app purchases
