Comparison

GS1 Operator vs Plan Calendar

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

Head to head
About

GS1 Operator

Features
Read full description

All the bolts and nuts you need to create, distribute and manage for Digital Coupon, within one powerful platform on the cloud. We provide a comprehensive Digital Coupon platform for the merchant to create, to distribute, to redeem coupons. It is simpliest way ever, the merchant can create unlimited marketing campaigns with coupon, self help all the way, no technical help is needed. This is the Redeemer App for Merchants to invite Third Party to process the redempiton. Note: Terms of Use - Visit http://www.mezzofy.com/terms.html Privacy Policy - Visit http://www.mezzofy.com/privacy.html

About

Plan Calendar

This app offers a powerful and intuitive way to manage multiple calendars and schedules. Create events quickly, organize them by category with a unique tab system, and enjoy robust features like global search and automatic backups. It prioritizes user privacy with offline support and biometric authentication.

Highlights
  • One-tap schedule creation
  • Revolutionary tab system for organizing calendars
  • Color-coded event creation
  • Lightning-fast global search
  • Automatic backup and restore
  • Complete offline support
  • Biometric authentication
Features
Read full description

Create your plans on a monthly calendar and check your schedule anytime! Packed with powerful features including one-tap event creation, unlimited tabs, color-coded events, event search, backup & restore, dark mode support, and much more. ◆ One-Tap Event Creation Just tap a date on the monthly calendar to instantly add an event! ◆ Unlimited Tabs Split and manage your calendars by category with tabs! Create separate calendars for work, personal life, hobbies, and more! ◆ Color-Coded Events Color-code your events from a rich palette of colors! Recognize their importance and type at a glance! ◆ Swipe to Change Months No more tedious tapping to switch months. Just swipe to move between months intuitively. ◆ Event Search Search and find all your events in an instant! Pinpoint the schedule you need from even the largest amount of data in a flash! ◆ Backup and Restore Switch devices with peace of mind! Your data is backed up automatically and restored instantly on a new device! ◆ Light and Dark Mode Support A beautiful dark mode that's easy on the eyes! ◆ Offline Support No internet connection required! Access it anytime, anywhere! ◆ Notifications Get notified with your own custom message at the time you set! Never miss an important plan! ◆ Biometric Authentication Protect the app with Face ID or fingerprint authentication. Safeguard your privacy so only you can see your data. ◆ CSV Export Easily export all your data as a CSV file! Perfect for backups or analysis with AI. ◆ Tab Notes Add notes freely to each tab! Check important information for every category anytime! ◆ No Login Required No annoying sign-up process needed! Get started right after downloading! ◆ Robust Security Your data is completely private! Nothing is ever sent externally! It's stored safely on your device only! ◆ Support If you have any questions, please feel free to contact us through the in-app inquiry form or at the email address below. info@naokiotsu.com Privacy Policy: https://naokiotsu.com/privacy-policy

Screenshots

GS1 Operator4 screens
Plan Calendar4 screens

Verdict

The call

The clearest difference is in-app purchases: GS1 Operator at none against Plan Calendar's 3. GS1 Operator also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Plan Calendar's advantage is update cadence (weekly vs monthly). On price 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. Plan Calendar sells 3 in-app purchases, starting at $1.99 per month. GS1 Operator asks for nothing beyond the download.

UpkeepUpdate frequency

GS1 Operator ships an update monthly, Plan Calendar weekly. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
GS1 Operator versus Plan Calendar: the parameters behind the verdict, then further details
ParameterGS1 OperatorPlan Calendar
PriceFreeFree
Rating—5.0 (21 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—21 — better
Update frequencyMonthlyWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size32 MB52 MB
Age rating4+4+
DeveloperMezzofy (Hong Kong) Limitednaoki otsu

In-app purchases

None

GS1 Operator

No in-app purchases

3 purchases

Plan Calendar

Subscriptions2
  • Premium$1.991 Month
  • Premium$3.991 Year
One-time1
  • Premium (Pay Once)$4.99

Questions

Is GS1 Operator free?
GS1 Operator is free to download, with no in-app purchases.
Is Plan Calendar free?
Plan Calendar is free to download, with in-app purchases available.
Do GS1 Operator or Plan Calendar have ads?
Plan Calendar shows ads; GS1 Operator does not.
Which is updated more often, GS1 Operator or Plan Calendar?
GS1 Operator ships an update monthly, and Plan Calendar weekly. Most recently, GS1 Operator was updated on September 16, 2026 and Plan Calendar on September 20, 2026.

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