Comparison

QR Authenticator vs Gther

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

Head to head
About

QR Authenticator

Features
Read full description

QR Auth is a system which helps anyone with a smartphone to ensure that items within the home or business are checked within agreed times set by the user. Users register on the website, app.qr-auth.com and create as many QR codes for items that need to be monitored. The first time a user scans a QR code created by the system using the app, the devices unique ID is captured. Unregistered devices are provided options specific to them. The user scans a QR code which is fed back to a monitoring system in real-time allowing the user or management to check that the codes have been scanned during the period(s) required. A QR code can be configured via the website to display options when it is scanned further enhancing what the user is able to do.

About

Gther

Features
Read full description

The official app for gther’s events. Use the gther App to enhance your experience by having all the of the information you need at your fingertips. The App is designed to help you connect with other attendees at the event, get helpful information and keep track of what’s going on: Check out a detailed agenda of what’s going on throughout the event Get notified when sessions or content goes live, and read announcements from the team Share comments and photos on the social feed Have individual conversations on the private chat Find key information out about the event View your place on the activity leaderboard

Screenshots

QR Authenticator4 screens
Gther4 screens

Verdict

The call

The clearest difference is update cadence: QR Authenticator at every 10 days against Gther's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

QR Authenticator ships an update every 10 days, Gther every 3 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

Scorecard1 real difference Β· 5 level
QR Authenticator versus Gther: the parameters behind the verdict, then further details
ParameterQR AuthenticatorGther
PriceFreeFree
Update frequencyEvery 10 days β€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.1 β€” better15.5
Further details β€” not scored
Size31 MB41 MB
Age rating4+4+
DeveloperCustom Cumputer Services Walesgther

In-app purchases

None

QR Authenticator

No in-app purchases

None

Gther

No in-app purchases

Questions

Is QR Authenticator free?
QR Authenticator is free to download, with no in-app purchases.
Is Gther free?
Gther is free to download, with no in-app purchases.
Do QR Authenticator or Gther have ads?
Neither QR Authenticator nor Gther shows ads.
Which is updated more often, QR Authenticator or Gther?
QR Authenticator ships an update every 10 days, and Gther every 3 months. Most recently, QR Authenticator was updated on September 29, 2026 and Gther on September 30, 2026.

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