# GS1 Operator vs Plan Calendar

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.

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.

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

## The numbers

| Metric | GS1 Operator | Plan Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (21 ratings)](https://appshunter.io/ios/app/plan-calendar-make-a-schedule/id6470956764/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mezzofy (Hong Kong) Limited](https://appshunter.io/developer/839623537) | [naoki otsu](https://appshunter.io/developer/1082476153) |

## What reviewers say

### GS1 Operator

[App page](https://appshunter.io/ios/app/gs1-operator/id1443741963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Plan Calendar

[App page](https://appshunter.io/ios/app/plan-calendar-make-a-schedule/id6470956764)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $3.99 | per year |
| Premium (Pay Once) | $4.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*