Comparison

Google Calendar vs RETeval Barcode Generator

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

Head to head
About

Google Calendar

Easily plan your day with event creation, multiple calendars, and customizable views. Automatically add events from Gmail and share calendars with others. Integrates with Google Workspace for seamless collaboration.

Highlights
  • Automatic event import from Gmail
  • Multiple calendar consolidation
  • Shared calendars for collaboration
  • Task management alongside events
  • Customizable views and themes
  • Google Meet integration
  • Apple Watch complications and widgets
Features
Read full description

The official Google Calendar app helps you stay organized and plan your day with easy event creation, multiple calendars, customizable views, widgets, and tasks. With Google Calendar, you can: • Get events automatically added to your Calendar from Gmail, including flight, hotel, concert, and restaurant reservations. • Go from using Calendar on your iPhone, iPad, or Apple Watch to your computer without missing a beat when you’re logged into the same Google account. • Consolidate and view Google Calendar events side-by-side with other calendars on your device, including Exchange and iCloud. • Keep family, friends, and colleagues in the loop with shared calendars, so they can view, add, or modify events. • Quickly switch between month, week, and day views. • Stay on top of to-dos by creating and managing tasks alongside your events in Calendar. • Personalize your Google Calendar with light or dark mode or by color-coding your events • Always know what's next while on the go with Google Calendar on Apple Watch by customizing your watch face with Calendar complications or adding widgets. Google Calendar is part of Google Workspace, allowing you and your team to easily connect, create, and collaborate across all your favorite Google tools. You can: • Collaborate in a hybrid work environment by adding a Google Meet video call to an Calendar event • Get access to professional booking pages to easily book clients and customers*. • Schedule meetings with teammates by checking their availability or layering their calendars in a single view • Add your working location to your calendar to make it easier for your teammates to schedule meetings with you*. • Keep everyone on track for a meeting by attaching meeting notes, pre-read materials, and other documents directly to a calendar event. • Use Google Calendar with confidence knowing it’s supported by Google’s enterprise-level privacy, user safety and data security. * Requires a Google Workspace or Google One AI Premium subscription

About

RETeval Barcode Generator

Streamline data entry for your RETeval device by inputting patient and practice information directly on your phone. Capture dates and times to simplify your workflow and improve efficiency.

Highlights
  • Patient information entry
  • Practice information entry
  • Date and time capture
  • Data scanning for RETeval device
  • Simplified data entry
Features
Read full description

Patient information, practice information, and the date and time can be entered on your phone and scanned into your RETeval device, simplifying data entry.

Screenshots

Google Calendar4 screens
RETeval Barcode Generator1 screens

Verdict

The call

The clearest difference is rating: Google Calendar at 4.5 against RETeval Barcode Generator's 3.7. Google Calendar also leads on review sentiment (38% vs 0%) and update cadence (weekly vs every 29 months). RETeval Barcode Generator's advantage is in-app purchases (none vs 10) and iOS requirement (16 vs 18.0). On price, ads, monetization model 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. Google Calendar sells 7 in-app purchases, starting at $1.99 per month. RETeval Barcode Generator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Google Calendar holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Google Calendar has 133K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 38% of Google Calendar's written reviews are positive against 0% of RETeval Barcode Generator's.

UpkeepUpdate frequency

Google Calendar ships an update weekly, RETeval Barcode Generator every 29 months. The most recent releases landed on November 12, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 4 level
Google Calendar versus RETeval Barcode Generator: the parameters behind the verdict, then further details
ParameterGoogle CalendarRETeval Barcode Generator
PriceFreeFree
Rating4.5 (133K ratings) — better3.7 (7 ratings)
Positive reviews37.5% of reviews — better0.0% of reviews
Number of ratings133K — better7
Update frequencyWeekly — betterEvery 29 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
Best chart rank#18 — better—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.016 — better
Further details — not scored
Size269 MB69 MB
Age rating4+4+
DeveloperGoogle LLCQuentin Davis

Customer experience

Google Calendar

All ratings132,684 ratings
Positive88.9%
Neutral3.7%
Negative7.4%
Written reviews1,820 reviews
Positive37.5%
Neutral16.5%
Negative46.0%

RETeval Barcode Generator

All ratings3 ratings
Positive33.3%
Neutral66.7%
Negative0.0%
Written reviews4 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

Bugs and requests

Google Calendar

Reported bugs

3 issues
  • Events not syncing properly between app and web versions
  • Incorrect time zone changes for events
  • New events automatically added to wrong calendar

Requested features

5 requests
  • Allow recurring events on specific days (e.g. 2nd Wednesday of the month)
  • Add ability to set reminders for event end times
  • Integrate with more email/calendar providers beyond Gmail
  • Provide more customization options for event colors and icons
  • Display the current date on the app icon

RETeval Barcode Generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Google Calendar

Subscriptions7
  • 100 GB1 Month trial2 variants$1.991 Month
  • 100 GB$1.991 Month
  • 200 GB1 Month trial2 variants$2.991 Month
Show 4 more
  • 200 GB2 variants$2.991 Month
  • Google AI Plus (2 TB)1 Month trial$9.991 Month
  • Google AI Plus (2 TB)$9.991 Month
  • 100 GB1 Month trial$19.991 Year
None

RETeval Barcode Generator

No in-app purchases

Questions

Is Google Calendar free?
Google Calendar is free to download, with in-app purchases available.
Is RETeval Barcode Generator free?
RETeval Barcode Generator is free to download, with no in-app purchases.
Which has better reviews, Google Calendar or RETeval Barcode Generator?
Google Calendar is rated higher. Google Calendar averages 4.5 out of 5 from 133K ratings, while RETeval Barcode Generator averages 3.7 from 7 ratings.
Do Google Calendar or RETeval Barcode Generator have ads?
Neither Google Calendar nor RETeval Barcode Generator shows ads.
Which is updated more often, Google Calendar or RETeval Barcode Generator?
Google Calendar ships an update weekly, and RETeval Barcode Generator every 29 months. Most recently, Google Calendar was updated on November 12, 2026 and RETeval Barcode Generator on November 3, 2026.

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