Comparison

SimpleCal 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

SimpleCal

This app offers a straightforward way to manage your schedule, sync events across devices using iCloud or Google Calendar, and stay organized with reminders and weather forecasts. Its customizable interface and simple design make adding and editing events quick and intuitive.

Highlights
  • Cross-platform sync (iCloud/Google)
  • Event reminders (daily, weekly, monthly, yearly)
  • Weather forecast integration
  • Customizable event and color themes
  • Simple event adding and editing
  • Widget for quick event overview
  • Dark mode support
Features
Read full description

SimpleCal is the easiest calendar app on the App Store. Sync your schedule across platforms and devices through iCloud or Google calendar. - Sync All the events on your current calendar are transferable from another calendars via iCloud or Google calendar. (The connection uses the calendar account registered in the Settings app) - Widget Your recent events can be displayed on a widget to grasp what to do quickly. - Weather The weather forecast for the specified area is displayed on the calendar(up to one week ahead) - Reminders You won't miss your important events via SimpleCal's reminder. The reminders can be repeated daily, weekly, monthly and yearly. - Customizable interface Each event and calendar can have different colors, which makes you easily recognize your schedule. The color theme is also customizable. You can find your favorite theme for sure. - Simple design You can add or edit an event only with a few steps. Do you have some routine in your life? Then, try SimpleCal! You can create a new event just by dragging a past event. - Dark Mode Supports dark mode. - Data Backup Saves event data to an external server such as iCloud Calendar or Google Calendar. (The app does not have its own calendar and does not save to the device's local area.) In the unlikely event that your iPhone is damaged, you can simply log in to your original calendar account to load your previous event data.

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

SimpleCal4 screens
RETeval Barcode Generator1 screens

Verdict

The call

The clearest difference is review sentiment: SimpleCal at 85% against RETeval Barcode Generator's 0%. SimpleCal also leads on rating (4.7 vs 3.7) and update cadence (fortnightly vs every 29 months). RETeval Barcode Generator's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement 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. SimpleCal sells 2 in-app purchases, starting at $0.99 per month. RETeval Barcode Generator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SimpleCal holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: SimpleCal has 18K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 85% of SimpleCal's written reviews are positive against 0% of RETeval Barcode Generator's.

UpkeepUpdate frequency

SimpleCal ships an update fortnightly, RETeval Barcode Generator every 29 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
SimpleCal versus RETeval Barcode Generator: the parameters behind the verdict, then further details
ParameterSimpleCalRETeval Barcode Generator
PriceFreeFree
Rating4.7 (18K ratings) — better3.7 (7 ratings)
Positive reviews84.7% of reviews — better0.0% of reviews
Number of ratings18K — better7
Update frequencyFortnightly — betterEvery 29 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better16
Further details — not scored
Size33 MB69 MB
Age rating4+4+
DeveloperYohei FujikawaQuentin Davis

Customer experience

SimpleCal

All ratings17,608 ratings
Positive94.1%
Neutral3.2%
Negative2.7%
Written reviews1,245 reviews
Positive84.7%
Neutral3.4%
Negative12.0%

RETeval Barcode Generator

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

Bugs and requests

SimpleCal

Reported bugs

3 issues
  • Calendar stuck on one date
  • Home screen widget not working
  • Issues with setting recurring events

Requested features

8 requests
  • Add more color options
  • Ability to gray out past days
  • Custom reminder times
  • Separate work and personal calendars
  • Printable calendar view
Show 3 more
  • Sync colors across devices
  • Add subtasks for events
  • Ability to delete specific holidays

RETeval Barcode Generator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

SimpleCal

Subscriptions1
  • Ads removal$0.991 Month
One-time1
  • Remove Ads$49.99
None

RETeval Barcode Generator

No in-app purchases

Questions

Is SimpleCal free?
SimpleCal 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, SimpleCal or RETeval Barcode Generator?
SimpleCal is rated higher. SimpleCal averages 4.7 out of 5 from 18K ratings, while RETeval Barcode Generator averages 3.7 from 7 ratings.
Do SimpleCal or RETeval Barcode Generator have ads?
SimpleCal shows ads; RETeval Barcode Generator does not.
Which is updated more often, SimpleCal or RETeval Barcode Generator?
SimpleCal ships an update fortnightly, and RETeval Barcode Generator every 29 months. Most recently, SimpleCal was updated on October 29, 2026 and RETeval Barcode Generator on October 24, 2026.

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