Comparison

AcoustiTools® vs QR Code Generator Studio

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

Head to head
About

AcoustiTools®

This app provides professional-grade audio analysis and diagnostic tools using augmented reality. It helps map sound levels, calculate delay timing, and offers corrective EQ settings for live sound, studios, car audio, and home theater.

Highlights
  • Augmented Reality Spatial Analyzer
  • Volume Mapping and Variance
  • Delay Timing Calculation
  • Diagnostic Parametric EQ (IAP)
  • Diagnostic Graphic EQ (IAP)
  • Real-Time Frequency Analyzer
Read full description

AcoustiTools® — Professional Tools for iPhone and iPad with Augmented Reality for Live Sound, Studio, Car Audio, and Home Theater. AcoustiTools is a new generation of professional-grade audio analysis and diagnostic tools using ARKit to elevate the audio experience. Five interactive modules – four tile display: 1) Audio Information in Augmented Reality Know the volume level across the venue using the ground-breaking AR Spatial Analyzer module. This module uses augmented reality (AR) to tag locations and calculate the volume level, distance, and delay for each placed tag. Ever need to use asymmetrically placed speakers? Prevent a blurred delay of sound for the audience. With the AR Spatial Analyzer module, you can instantly know how to accommodate for the depth difference and correct the time alignment. - Map The Volume The Volume Variance feature uses tagged locations to quickly map the sound level variations from tagged and labeled main speakers to your current position. The live values display in a 2D overlay allowing you to monitor the sound levels across the audience and keep the volume enjoyable for everyone. - Simplify Delay Timing The Delay Calc feature makes it simple to solve delay problems, calculating the delay timing between a tagged and labeled front speaker and delay stack. The displayed results give you the information needed to quickly sync your audio. 2) Diagnostic PEQ (in-app-purchase) Using the revolutionary real-time Diagnostic PEQ (parametric equalizer) module to listen to pink noise, receive recommended corrective EQ settings to implement for tuning your audio system, whether you’re in a large or small space. Want to reduce the stress of identifying the most problematic frequencies under pressure and choosing the most effective EQ settings to correct it? Available through in-app-purchase, the revolutionary Diagnostic PEQ module diagnoses your audio and recommends a corrective EQ curve to implement for your mix based on live audio or averaged recorded samples. With values for each setting of your PEQ — the center frequency, the Q, and the amplitude — you have a professional, real-time solution to your immediate audio challenges. 3) Diagnostic GEQ (in-app-purchase) If your system uses a graphic equalizer, use the revolutionary real-time Diagnostic GEQ (graphic equalizer) module to listen to pink noise and receive recommended corrective GEQ settings to implement for tuning your audio system, whether you’re in a large or small space. Want to quickly balance your car’s audio system? Set the Diagnostic GEQ to match the number of bands your car’s audio system uses. Available through in-app-purchase, the revolutionary Diagnostic GEQ module diagnoses your audio and recommends a corrective EQ curve based on live audio or averaged recorded samples making it easy to get the most out of your audio system. 4) Real-Time Analyzer The RTA module gives you the information you need to determine the best on-the-fly frequency corrections. The AcoustiTools RTA module includes a red problem frequency line to highlight the frequency on the RTA graph with the largest difference from surrounding frequencies. You can also keep your eye on a specific frequency you set using the blue selectable frequency line. Easily switch between a spectrum color display for bright environments or display the graph in solid blue for dimmer environments. 5) dB Meter - Max-Peak/Max-Average - Fast/Slow - User selectable Max-Average time periods - Threshold Alerts __________ AcoustiTools’ innovative design simultaneously displays four active modules. This breakthrough feature allows you to view information from multiple modules at once and quickly select a module to interact with. Global Features: - Spectral Weightings - Averaging Options - Selectable Block Sizes - Microphone Calibration Trim AcoustiTools — superpowers in your hands. For tutorial videos & the user guide, go to www.acousticmasterminds.com

About

QR Code Generator Studio

Features
Read full description

Create beautiful QR codes in seconds. QR Code Generator Studio is the fast, friendly QR maker for iPhone — design a custom code for your website, Wi-Fi, contact card or social profile, style it until it feels yours, and share it anywhere. Pick a type, type a link, and your code appears instantly — ready to save, print, or drop on a menu, flyer, business card, or story. CREATE ANY QR CODE - Websites and links, plain text, email, SMS, and phone numbers - Wi-Fi codes guests can scan to join your network - Contact cards (vCard and meCard) and calendar events - Locations with a built-in map picker - Social profiles: Instagram, TikTok, X, WhatsApp, Telegram, Facebook, Snapchat, Viber, Spotify - Crypto wallets: Bitcoin, Ethereum, Ripple, Solana and more - Barcodes too: Code 128, Code 39, Code 93, EAN-8, EAN-13 MAKE IT YOURS - Patterns: classic squares, smooth rounded, playful dots - Color themes: Classic, Purple, Sunset, Ocean, Mono Dark - Or go custom with your own foreground and background colors - Watch your code restyle live as you design SAVE, SHARE, PRINT - Every code you make is saved to your library automatically - Save to Photos, copy, share, or print in a tap - Come back and edit any code later SCAN SMART, TOO - Built-in scanner for QR codes and barcodes - Every scanned link is safety-checked: see the real destination, HTTPS status, and domain age, with warnings for known-malicious and look-alike links - Scan straight from a photo in your library - Scan history, with a Private Mode when you'd rather keep none BUILT TO LOVE - Clean, modern design that makes creating fun - No account needed - Available in 13 languages Whether it's a menu, an invitation, a storefront sign, or just your Wi-Fi password on the fridge — make a code that looks as good as what it links to. Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your account settings. Privacy Policy: https://pocketknifeapps.com/privacy.html Terms of Use: https://pocketknifeapps.com/terms.html

Screenshots

AcoustiTools®4 screens
QR Code Generator Studio4 screens

Verdict

The call

The clearest difference is price: QR Code Generator Studio at Free against AcoustiTools®'s $39.99. QR Code Generator Studio also leads on update cadence (monthly vs every 2 months). AcoustiTools®'s advantage is device support (3 vs 1) and iOS requirement (13.3 vs 17.0). On ads and in-app purchases 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

QR Code Generator Studio is free to download; AcoustiTools® costs $39.99 up front. AcoustiTools® sells 2 one-off in-app purchases and QR Code Generator Studio sells 1 in-app purchase, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AcoustiTools® ships an update every 2 months, QR Code Generator Studio monthly. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
AcoustiTools® versus QR Code Generator Studio: the parameters behind the verdict, then further details
ParameterAcoustiTools®QR Code Generator Studio
Price$39.99Free — better
Rating4.4 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.3 — better17.0
Further details — not scored
Size158 MB5 MB
Age rating4+4+
DeveloperACOUSTIC MASTERMINDS INC.PocketKnife Apps Inc.

In-app purchases

2 purchases

AcoustiTools®

One-time2
  • Diagnostic PEQ$19.99
  • Diagnostic GEQ$19.99
1 purchases

QR Code Generator Studio

Subscriptions1
  • QR Scan Pro3 Days trial$7.997 Days

Questions

Is AcoustiTools® free?
AcoustiTools® costs $39.99, and also offers in-app purchases.
Is QR Code Generator Studio free?
QR Code Generator Studio is free to download, with in-app purchases available.
Do AcoustiTools® or QR Code Generator Studio have ads?
Neither AcoustiTools® nor QR Code Generator Studio shows ads.
Which is updated more often, AcoustiTools® or QR Code Generator Studio?
AcoustiTools® ships an update every 2 months, and QR Code Generator Studio monthly. Most recently, AcoustiTools® was updated on October 9, 2026 and QR Code Generator Studio on October 4, 2026.

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