Caliperly vs Decibel Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caliperly
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Caliperly is a unit converter designed with precise movement—every detail serves a purpose. THE DIFFERENCE Most converters are calculators with a unit dropdown. Caliperly is a precision instrument. The interface features visual caliper jaws that respond to your touch. Swipe to adjust values and watch the jaws move. It's tactile, intuitive, and unlike anything else on the App Store. FRACTIONS MODE Woodworkers, machinists, and makers: this is for you. Toggle between decimal (5.25) and fractional display (5 ¼). Enter measurements the way your tape measure reads them. Supports 1/16" precision. No more mental math. WIDGET-FIRST Convert without opening the app. Add Caliperly to your home screen or lock screen. Glance at your last conversion or tap to open directly to a specific category. The widget shows the same precision instrument aesthetic as the full app. 10 CATEGORIES - Length — inches, feet, meters, centimeters, millimeters, yards, miles, kilometers - Mass — pounds, ounces, kilograms, grams, stones, tons (US/UK/metric labeled) - Temperature — Fahrenheit, Celsius, Kelvin - Volume — gallons (US/UK labeled), liters, fluid ounces, cups, pints, quarts - Area — square feet, square meters, acres, hectares - Speed — mph, km/h, knots, m/s - Time — seconds, minutes, hours, days, weeks - Data — bytes, KB, MB, GB, TB (binary/decimal toggle) - Pressure — psi, bar, pascal, atmosphere - Energy — joules, calories, BTU, kilowatt-hours DESIGNED WITH INTENT No ads. No clutter. No generic calculator aesthetic. Caliperly draws inspiration from precision instruments—the kind you'd find in a watchmaker's workshop. Brushed metal textures, jewel-red accents, and typography that feels engraved, not printed. FEATURES - Visual caliper jaws that move as you adjust values - Fractions mode with ⅛ and ¼ keys on the keypad - Jog dial—swipe horizontally for fine adjustments - Precision lock—control significant digits - Favorites—save your most-used conversions - History—50 recent conversions - Home screen widgets (small, medium, large) - Lock screen widgets - Copy results with one tap - VoiceOver accessible - Works offline PRO (Optional) Unlock unlimited favorites and five premium instrument themes: Anodized, Graphite, Brushed Steel, Matte Black, and Brass. — Caliperly. It's a caliper, not a calculator.
Decibel Meter
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Decibel Meter - dB Comparison is a simple and practical sound level meter for measuring the noise around you in real time. Using your device’s microphone, the app estimates the current sound level and displays it in decibels, helping you better understand how loud your surroundings are. Use it to check everyday environments such as your home, office, classroom, workshop, street, or event space. Whether you want to compare noise levels, monitor a room, or get a quick sense of how loud a place is, Decibel Meter - dB Comparison gives you a clear and easy-to-read measurement. Key Features - Real-time sound level measurement - Decibel display using your device microphone - Simple, focused interface - Useful for everyday noise checks - No account required - Audio is processed on your device - No audio recording, uploads, or sharing Privacy Decibel Meter - dB Comparison is designed with privacy in mind. The microphone is used only to estimate nearby sound levels in real time. Audio is not recorded, stored, uploaded, or shared.
Screenshots
Verdict
The clearest difference is device support: Caliperly at 3 against Decibel Meter's 1. On price, ads, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Caliperly | Decibel Meter |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 24 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Moshiu Tomonata Knox Ii | MIKE SPENGLER |
In-app purchases
Caliperly
No in-app purchases
Decibel Meter
No in-app purchases
Questions
Is Caliperly free?
Is Decibel Meter free?
Do Caliperly or Decibel Meter have ads?
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