# Google Calendar vs Behavior Observation

The clearest difference is price: Google Calendar at Free against Behavior Observation's $59.99. Google Calendar also leads on update cadence (weekly vs every 2 months) and ratings volume (133K vs 89). Behavior Observation's advantage is in-app purchases (none vs 32) and iOS requirement (16.4 vs 18.0). On rating, review sentiment, ads and device support there is nothing between them.

Google Calendar is free to download; Behavior Observation costs $59.99 up front. Google Calendar sells 22 in-app purchases, starting at $0.89 per month. Behavior Observation asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Google Calendar against 4.6 for Behavior Observation. That said, the two scores are not equally well evidenced: Google Calendar has 133K ratings behind it against 89, so its average is the more settled of the two. Written reviews are what separate them: 38% of Google Calendar's written reviews are positive against 44% of Behavior Observation's.

Google Calendar ships an update weekly, Behavior Observation every 2 months. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Google Calendar | Behavior Observation |
| --- | --- | --- |
| Price | **Free** | $59.99 |
| Rating | [4.5 (133K ratings)](https://appshunter.io/ios/app/google-calendar-get-organized/id909319292/reviews) | **[4.6 (89 ratings)](https://appshunter.io/ios/app/behavior-observation-boss/id1534801113/reviews)** |
| Number of ratings | **133K** | 89 |
| Positive reviews | 37.5% of reviews | **44.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#20** | #182 |
| Size | 290 MB | 57 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Google](https://appshunter.io/developer/281956209) | [Allen Eubank](https://appshunter.io/developer/1492314115) |

## What reviewers say

### Google Calendar

[App page](https://appshunter.io/ios/app/google-calendar-get-organized/id909319292)

**Currently charting:** #20 Top Free · Productivity, #187 Top Free (US App Store)

This official app helps you manage your schedule and stay organized. It automatically adds events from Gmail, syncs across devices, and allows for shared calendars. You can also create tasks, customize views, and integrate with Google Meet for collaboration.

**Highlights:** Automatic event import from Gmail, Cross-device synchronization, Shared calendars for collaboration, Task management alongside events, Customizable views and themes, Google Meet integration

**Features:** Apple Watch app

**In-app purchases (22)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 GB | $0.89 | per month |
| 30 GB | $0.89 | per month |
| 100 GB | $1.99 | per month |
| 100 GB | $1.99 | per month |
| 200 GB | $2.99 | per month |
| 200 GB | $2.99 | per month |
| Google AI Plus (400 GB) | $4.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| Google AI Plus (2 TB) | $9.99 | per month |
| Google AI Pro (5 TB) | $19.99 | per month |
| 100 GB | $19.99 | per year |
| 100 GB | $19.99 | per year |
| 100 GB | $19.99 | per year |
| Google One AI Premium (2 TB) | $19.99 | per month |
| 5 TB | $24.99 | per month |
| 200 GB | $29.99 | per year |
| 200 GB | $29.99 | per year |
| 20 TB | $99.99 | per month |
| 2 TB | $99.99 | per year |
| 2 TB | $99.99 | per year |
| Google AI Ultra (30 TB) | $249.99 | per month |
| 5 TB | $249.99 | per year |

**What reviewers like**

- 🚀 Keeps me organized
- 🎨 Customizable colors
- 📅 Integrates with email and other calendars
- 🔔 Helpful reminders
- 🤝 Ability to share calendars

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🕰️ Slow loading times
- 📆 Date on app icon doesn't change
- 🔀 Difficulty editing and managing events
- 🌈 Limited color options

**Reported bugs**

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

**Requested features**

- 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


### Behavior Observation

[App page](https://appshunter.io/ios/app/behavior-observation-boss/id1534801113)

**Currently charting:** #182 Top Paid · Productivity (US App Store)

This tool helps educators and clinicians systematically track student behavior in school settings. It allows for detailed data capture and generates professional reports to inform interventions and assessments. The app is designed for privacy and offline use, with no subscriptions or ads.

**Highlights:** Momentary time sampling and partial-interval recording, Customizable session duration and intervals, Track engaged and non-engaged behaviors, Built-in peer comparison intervals, Teacher-Directed Instruction (TDI) tracking, Export PDF, CSV, and HTML reports, Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Google Calendar free?

Google Calendar is free to download, with in-app purchases available.

### Is Behavior Observation free?

Behavior Observation costs $59.99, with no in-app purchases.

### Which has better reviews, Google Calendar or Behavior Observation?

Behavior Observation is rated higher. Google Calendar averages 4.5 out of 5 from 133K ratings, while Behavior Observation averages 4.6 from 89 ratings.

### Do Google Calendar or Behavior Observation have ads?

Neither Google Calendar nor Behavior Observation shows ads.

### Which is updated more often, Google Calendar or Behavior Observation?

Google Calendar ships an update weekly, and Behavior Observation every 2 months. Most recently, Google Calendar was updated on October 30, 2026 and Behavior Observation on October 29, 2026.

### Which is more popular, Google Calendar or Behavior Observation?

Google Calendar currently peaks at #20 in the App Store charts, and Behavior Observation at #182. Chart position reflects recent download velocity rather than total install base.

---

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