Motorcycle Tyre Size Calc vs SpectralScan Audio Analyzer dB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Motorcycle Tyre Size Calc
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Motorcycle Tyre Size Calculator are used to find Tyre width, Aspect ratio, Construction type, Rim diameter, Speed rating and Load index of Motorcycle Tyre. Features: • Instant calculation. • Result is copying abilities to another app. • Reference are included. • Support for Dark Mode. • Tiny app that conserves storage space. • Work offline. • Lightweight app with a small size, optimized for everyday use. Motorcycle Tyre Size Designations: The motorcycle Tyre Code can be found on the tyre's sidewall with information about tyre: - Tyre width in mm. - Aspect ratio – ratio of height to width. - Rim diameter. - Construction type. - Load index - Maximum load capacity. - Speed rating - Maximum allowed speed. Same as four-wheeled vehicles, Tyres for motorcycle have a tyre code, which describes a tyre's width, height/width aspect ratio, wheel diameter, load index and speed rating. The most common code example are: 190/50 R 17 M/C (73 W) - 3 digit number: The "nominal section width" of the tyre in millimeter, the widest point from both outer edges. - / Slash character for character separation. - 2 or 3 digit number: The "aspect ratio" of the sidewall height to the total width of the tyre, as a percentage. - An optional letter indicating construction of the fabric carcass of the tyre: B: bias belt (where the sidewalls are the same material as the tread, leading to a rigid ride) D: diagonal R: radial -: cross ply tyre - 2 digit number: Diameter in inches of the wheel that the tyre is designed to fit. - M/C: Motorcycle Tyre - 2 or 3 digit number: Load index - 1 or 2 digit/letter combo: Speed rating This App works in both portrait and landscape mode on the iPad, and portrait mode on iPhone. The App also add support for Dark Mode. This App is a tiny app that conserves storage space and also work offline. Thanks for your support and do visit nitrio.com for more apps for your iOS devices.
SpectralScan Audio Analyzer dB
Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.
- Real-time frequency spectrum visualization
- Sine sweep measurements for system response
- Spectrogram for time-frequency analysis
- Comparison and overlay of multiple measurements
- Export data as CSV or PNG
- Pro features for advanced analysis
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SpectralScan turns your phone into a professional audio analysis tool. Real-Time Analyzer (RTA) Visualize your acoustic environment live with a high-resolution frequency spectrum. Adjust smoothing, peak hold, and frequency range on the fly. Sine Sweep Measurements Run a precision sine sweep and capture the full frequency response and impulse response of any speaker, room, or audio system. Spectrogram Watch frequency content evolve over time with a scrolling waterfall display. Compare & Export Save multiple measurements, overlay them for comparison, and export as CSV or PNG. Pro features: multiple sweep measurements, fine octave smoothing, peak frequency display, and additional color themes and more coming.
Screenshots
Verdict
The clearest difference is price: SpectralScan Audio Analyzer dB at Free against Motorcycle Tyre Size Calc's $2.99. SpectralScan Audio Analyzer dB also leads on update cadence (every 9 days vs every 38 months). Motorcycle Tyre Size Calc's advantage is in-app purchases (none vs 1) and iOS requirement (13 vs 15.0). On 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
SpectralScan Audio Analyzer dB is free to download; Motorcycle Tyre Size Calc costs $2.99 up front. SpectralScan Audio Analyzer dB sells 1 one-off in-app purchase. Motorcycle Tyre Size Calc asks for nothing beyond the download.
Motorcycle Tyre Size Calc ships an update every 38 months, SpectralScan Audio Analyzer dB every 9 days. The most recent releases landed on September 11, 2026 and October 28, 2026 respectively.
| Parameter | Motorcycle Tyre Size Calc | SpectralScan Audio Analyzer dB |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.9 (18 ratings) — better |
| Number of ratings | — | 18 — better |
| Update frequency | Every 38 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13 — better | 15.0 |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Heng Jia Liang | Otsukare AB |
In-app purchases
Motorcycle Tyre Size Calc
No in-app purchases
SpectralScan Audio Analyzer dB
- SpectralScan Pro$11.99
Questions
Is Motorcycle Tyre Size Calc free?
Is SpectralScan Audio Analyzer dB free?
Do Motorcycle Tyre Size Calc or SpectralScan Audio Analyzer dB have ads?
Which is updated more often, Motorcycle Tyre Size Calc or SpectralScan Audio Analyzer dB?
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