Comparison

Calculator++ vs Clap

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

Head to head
About

Calculator++

Features
Read full description

A simple but powerful Calculator designed for all iOS devices! Features include: - Full calculation abilities as presented. - Ability to store variables. - Graphing of current result. - Graphing of functions when x is in use. - View past operation history by tapping on the display. And more! This application was developed by a student at McMaster University to demonstrate iOS development ability. Please forward all feedback to rehmah3@mcmaster.ca

About

Clap

This utility app visualizes sound volume as an applause meter, perfect for events and competitions. It features animated faces, video recording, and customizable labels to enhance audience engagement and determine winners based on noise levels.

Highlights
  • Visualizes sound volume
  • Animated faces react to applause
  • Record applause videos
  • AI mode for applause detection
  • Customizable labels and categories
  • Adjustable mic sensitivity
  • Score system for comparison
Features
Read full description

ApplauseMeter turns applause and crowd noise into an exciting visual experience. Use your device’s microphone to measure sound levels in real time and transform audience reactions into a colorful, animated meter—perfect for events, competitions, meetings, and parties. Make every moment more engaging, compare audience reactions, and choose winners based on the energy of the crowd. Key features: - Animated Faces: Choose from fun cartoon, cute, and Kawaii-style faces that react to applause levels. - ApplauseCam: Record unique videos while the applause meter is in action. - AI Mode: Detect applause more intelligently and animate the arrow only when clapping is present, making it easier to identify the crowd’s favorite. - Customizable Labels: Edit categories, names, and labels to match your event or personal style. - Adjustable Mic Sensitivity: Fine-tune microphone sensitivity for more accurate results in any environment. - Score System: Convert applause levels into points for quick and easy comparisons. - Portrait and Landscape Modes: Enjoy dedicated layouts optimized for both screen orientations. Match the arrow to the color that represents the sound level: Green — TEPID Light Green — MILD Yellow — SO-SO Orange — WILD Red — LOUD Use ApplauseMeter as a Clap-O-Meter or Noise-O-Meter for: - Talent shows and competitions - Battle of the bands - Lip-sync battles - Audience polls - Meetings and presentations - Parties and live events - Choosing winners based on audience response Whether you’re measuring applause, cheering, or general crowd noise, ApplauseMeter provides instant, fun, and easy-to-understand feedback. Download ApplauseMeter today and turn every event into an unforgettable experience!

Screenshots

Calculator++4 screens
Clap4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator++ at none against Clap's 3. Calculator++ also leads on update cadence (every 2 days vs every 9 months) and iOS requirement (9.2 vs 15.6). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Clap sells 3 in-app purchases, starting at $2.99 per 7 days. Calculator++ asks for nothing beyond the download.

UpkeepUpdate frequency

Calculator++ ships an update every 2 days, Clap every 9 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Calculator++ versus Clap: the parameters behind the verdict, then further details
ParameterCalculator++Clap
PriceFreeFree
Rating—3.0 (4 ratings) — better
Positive reviews—50.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 2 days — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.2 — better15.6
Further details — not scored
Size11 MB32 MB
Age rating4++4
DeveloperLoopy Labs LLCNelson Cruz

In-app purchases

None

Calculator++

No in-app purchases

3 purchases

Clap

Subscriptions3
  • Applausemeter PRO - Weekly$2.997 Days
  • Applausemeter PRO - Monthly$7.991 Month
  • Applausemeter PRO - Yearly$14.991 Year

Questions

Is Calculator++ free?
Calculator++ is free to download, with no in-app purchases.
Is Clap free?
Clap is free to download, with in-app purchases available.
Do Calculator++ or Clap have ads?
Neither Calculator++ nor Clap shows ads.
Which is updated more often, Calculator++ or Clap?
Calculator++ ships an update every 2 days, and Clap every 9 months. Most recently, Calculator++ was updated on October 14, 2026 and Clap on October 24, 2026.

Other comparisons