Voice Spectrogram Logger vs SAE Clean Snowmobile Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Voice Spectrogram Logger
Visualize voice frequencies in a spectrogram from 20-2500Hz. Adjust display with sliders and log recordings to export as PNG files. Functions fully offline and supports background processing.
- Real-time voice spectrogram display
- Adjustable frequency range (20-2500Hz)
- Zoomable spectrogram with pinch gestures
- Customizable spectrogram gradation
- Logging mode with history export
- Offline functionality
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1. DESPLAY The spectrogram of voice is displayed in the range of 20 - 2500Hz. You can zoom in/out the spectrogram by pinching in/out smoothly. Also landscape orientation is supported. 2. USEFUL By moving "vivid" slider, the gradation of spectrogram is controlled. The gradation is also controlled by moving "baseline" slider in "Setting" tab and selecting "Mean" or "RMS" as the way of smoothing the spectrogram out. 3. LOGGING When "log" switch is ON, this app runs in the logging mode. To choose a past log from "History" tab, you can pull it from iPhone via email as a PNG file. 4. AVAILABLE Without cellular data service, the full functions are available. The background processing is supported. 5. TECHNICAL NOTE Sample rate: 44.1kHz Bit depth: 32bit float FFT window function: Blackman FFT samples: 4096
SAE Clean Snowmobile Challenge
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The SAE Clean Snowmobile Challenge app was custom built for the SAE Clean Snowmobile community: competitors, volunteers, spectators, and sponsors. Using the app, you'll have access to competition news, maps, schedules, team list, and more. • Push Notifications & Announcements - Be automatically notified about important competition announcements as well as of weather-related impacts while on-site. • Maps & Schedules - Access the most up to date maps, schedules, and competition guides--available in the app even if you don’t have data service coverage at the competition site.
Screenshots
Verdict
The clearest difference is in-app purchases: SAE Clean Snowmobile Challenge at none against Voice Spectrogram Logger's 1. SAE Clean Snowmobile Challenge also leads on iOS requirement (8.0 vs 15.5). 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. Voice Spectrogram Logger sells 1 one-off in-app purchase. SAE Clean Snowmobile Challenge asks for nothing beyond the download.
Voice Spectrogram Logger ships an update every 15 months, SAE Clean Snowmobile Challenge every 17 months. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.
| Parameter | Voice Spectrogram Logger | SAE Clean Snowmobile Challenge |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 15 months — better | Every 17 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 8.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 47 MB |
| Age rating | 12+ | 4+ |
| Developer | Yukiko Iwai | SAE |
In-app purchases
Voice Spectrogram Logger
- Remove Ads$3.99
SAE Clean Snowmobile Challenge
No in-app purchases
Questions
Is Voice Spectrogram Logger free?
Is SAE Clean Snowmobile Challenge free?
Do Voice Spectrogram Logger or SAE Clean Snowmobile Challenge have ads?
Which is updated more often, Voice Spectrogram Logger or SAE Clean Snowmobile Challenge?
Other comparisons
