Comparison

RulerBasic vs DecibelPeak

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

RulerBasic

Features
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Turn your device into a simple on-screen ruler for quick everyday measurements. RulerBasic helps you check the size of small objects, compare lengths, and measure in centimeters or inches without extra tools. Open the app, place the object on the screen, and use a clean ruler view designed for fast, practical size checks. Why RulerBasic? โ€ข Clean digital ruler interface โ€ข Centimeter and inch measuring โ€ข Useful for desks, crafts, DIY, school, and quick size checks โ€ข Simple design with no unnecessary steps โ€ข Lightweight, fast, and easy to use Whether you are measuring stationery, small parts, craft materials, or everyday objects, RulerBasic gives you a handy measuring tool whenever you need one. Download RulerBasic and keep a practical ruler in your pocket.

About

DecibelPeak

Features
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Decibel Peak transforms your device into a professional-grade sound level meter and audio analyzer. Whether you're checking noise levels at home, monitoring sound in concerts, or optimizing your studio setup, Decibel Peak gives you accurate readings in real time. Features: Real-time Decibel Monitoring โ€“ Instantly measure sound levels with high accuracy. Frequency Spectrum & Waterfall Display โ€“ Visualize audio frequencies in a dynamic, colorful interface. dB Curve Tracking โ€“ Monitor sound variations over time with detailed graphs. Noise Categories โ€“ Quickly identify whether the environment is Quiet, Moderate, or Loud. Protect Your Hearing โ€“ Stay informed about potentially harmful sound levels. With its sleek interface and professional features, Decibel Peak is your go-to tool for sound measurement and audio analysis.

Screenshots

RulerBasic4 screens
DecibelPeak4 screens

Verdict

The call

The clearest difference is in-app purchases: DecibelPeak at none against RulerBasic's 4. RulerBasic's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. RulerBasic sells 4 in-app purchases, starting at $2.99 per month. DecibelPeak asks for nothing beyond the download.

UpkeepUpdate frequency

RulerBasic ships an update fortnightly, DecibelPeak every 4 months. The most recent releases landed on August 2, 2026 and September 14, 2026 respectively.

Scorecard2 real differences ยท 4 level
RulerBasic versus DecibelPeak: the parameters behind the verdict, then further details
ParameterRulerBasicDecibelPeak
PriceFreeFree
Update frequencyFortnightly โ€” betterEvery 4 months
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS16.0 โ€” better17.0
Further details โ€” not scored
Size15 MB2 MB
Age rating4+4+
DeveloperHakan KabaAndre Frelicot

In-app purchases

4 purchases

RulerBasic

Subscriptions1
  • Room Scan Pro$2.991 Month
One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99
None

DecibelPeak

No in-app purchases

Questions

Is RulerBasic free?
RulerBasic is free to download, with in-app purchases available.
Is DecibelPeak free?
DecibelPeak is free to download, with no in-app purchases.
Do RulerBasic or DecibelPeak have ads?
Neither RulerBasic nor DecibelPeak shows ads.
Which is updated more often, RulerBasic or DecibelPeak?
RulerBasic ships an update fortnightly, and DecibelPeak every 4 months. Most recently, RulerBasic was updated on August 2, 2026 and DecibelPeak on September 14, 2026.

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