Comparison

Quick Quake vs Barcode Reader

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

Head to head
About

Quick Quake

This tool allows for rapid earthquake location and magnitude verification. It serves as an educational resource, demonstrating how seismic waves determine earthquake epicenters. Users can quickly analyze data to refine automatic event notifications.

Highlights
  • Rapid earthquake location
  • Magnitude verification
  • P and S wave analysis
  • Demo data for education
  • Seismic observatory data integration
  • Adjustable travel velocities and depth
Features
Read full description

Rapid earthquake location and magnitude verification has never been easier. Quick Quake is also a great educational tool – simply use the demo data to see how P (primary) and S (secondary) waves are used to determine the location of an earthquake. Quick Quake is an earthquake data analysis tool that allows users to quickly determine the epicentre and magnitude of an earthquake by simply picking a P wave and S wave arrival from a single seismograph, then moving the epicentre around a map until the seismograms from the other stations line up in time. The Seismology Research Centre has developed Quick Quake so that users of the Quake Server seismic observatory data management system can quickly verify the automatic event notifications that Quake Server sends out by email. The traditional method of locating earthquakes can take anywhere from 10-20 minutes, but with Quick Quake you can verify or refine the automatic eqServer location and magnitude in less than a minute. How to use Quick Quake with the demo data: • Select which station you wish to use to pick a P and S wave (the “key site”) and hit the target icon • Drag the P (primary wave) marker to the right until it aligns with the first signal that you can see above the background noise • Drag the S (secondary wave) marker to the left until it aligns with the significant increase in signal level (see the screenshots as a guide) • Pinch to zoom the time and amplitude scale if you need better resolution • Continue to the locating screen, where you can drag the target around the circle until the waveforms on the left of the screen roughly align with the P and S travel time guide lines It’s that simple. The solution should work no matter which station you choose, but the closer the station the easier the P and S wave arrival times will be to pick. If you have an Quake Server, just log in using your credentials and the server's IP address or domain name, then you can browse through recent (and past) automatic events and proceed as above. On the “Select a Key Site” screen, you can defer stations from your calculations using a left-swipe, or restore them with a right-swipe. You can also sort your stations in order of distance from the selected “key site”. On the “Locate Event” screen there is are options to adjust the P-wave and S-wave travel velocities to suit your local conditions, as well as the depth of the earthquake. The iPad version shows quick-adjustment buttons, and iPhone and iPad versions include three presets for P and S velocity “models” - now with a customisable magnitude formula. Contact the Seismology Research Centre to learn more about seismographs, Quake Server, and earthquake monitoring networks. Remember to follow the SRC on Facebook and Twitter.

About

Barcode Reader

This utility app offers rapid scanning for both QR codes and standard barcodes using your device's camera or photos. It features automated scanning, bulk scanning capabilities, and the ability to save and export scan history for efficient data management and sharing.

Highlights
  • Quick Scan Technology
  • Bulk Mode Scanning
  • Automated Scanning
  • Scan from Camera or Photos
  • Scan History
  • CSV Data Export
  • Instant Sharing
Features
Read full description

Barcode Reader-quickscan: Ultimate Scanner Utility Get the fastest, most powerful scanning tool for all your needs. Barcode Reader-quickscan handles both QR codes and standard barcodes with lightning speed, making it essential for retail, inventory, or personal use. Key Features: • Quick Scan Technology: Scan codes instantly from your camera or photo library. • Bulk Mode: Scan multiple items quickly without interruption—perfect for shop environments or taking inventory. • Automated Scanning: Point and scan without needing to press a button. • Data Management: Save a full history of your scans and easily export data in CSV format for analysis. • Instant Sharing: Quickly share your scan results. Barcode Reader-quickscan is the only scanner you'll ever need—fast, reliable, and powerful!

Screenshots

Quick Quake4 screens
Barcode Reader4 screens

Verdict

The call

The clearest difference is ads: Quick Quake at none against Barcode Reader's shown. Quick Quake also leads on update cadence (every 6 months vs every 116 months) and monetization model (free vs ad-supported). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Quick Quake ships an update every 6 months, Barcode Reader every 116 months. The most recent releases landed on October 4, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Quick Quake versus Barcode Reader: the parameters behind the verdict, then further details
ParameterQuick QuakeBarcode Reader
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews—0.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 6 months — betterEvery 116 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size9 MB7 MB
Age rating4+4+
DeveloperESS Earth SciencesAishvarya Sadasivam

Customer experience

Quick Quake

All ratings2 ratings
Positive50.0%
Neutral50.0%
Negative0.0%

Barcode Reader

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

Quick Quake

No in-app purchases

None

Barcode Reader

No in-app purchases

Questions

Is Quick Quake free?
Quick Quake is free to download, with no in-app purchases.
Is Barcode Reader free?
Barcode Reader is free to download, with no in-app purchases.
Do Quick Quake or Barcode Reader have ads?
Barcode Reader shows ads; Quick Quake does not.
Which is updated more often, Quick Quake or Barcode Reader?
Quick Quake ships an update every 6 months, and Barcode Reader every 116 months. Most recently, Quick Quake was updated on October 4, 2026 and Barcode Reader on September 23, 2026.

Other comparisons