# Google Calendar vs Linear System Solver

The clearest difference is price: Google Calendar at Free against Linear System Solver's $0.99. Google Calendar also leads on chart position (#18 vs unranked). Linear System Solver's advantage is in-app purchases (none vs 32) and update cadence (every 3 days vs weekly). On ads and device support there is nothing between them.

Google Calendar is free to download; Linear System Solver costs $0.99 up front. Google Calendar sells 22 in-app purchases, starting at $0.89 per month. Linear System Solver asks for nothing beyond the download.

Google Calendar ships an update weekly, Linear System Solver every 3 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Google Calendar | Linear System Solver |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (132K ratings)](https://appshunter.io/ios/app/google-calendar-get-organized/id909319292/reviews)** | — |
| Number of ratings | **132K** | — |
| Positive reviews | 34.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#18** | — |
| Size | 290 MB | 1 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Google](https://appshunter.io/developer/281956209) | [Luigi Fonti](https://appshunter.io/developer/360904185) |

## What reviewers say

### Google Calendar

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

**Currently charting:** #18 Top Free · Productivity, #144 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


### Linear System Solver

[App page](https://appshunter.io/ios/app/linear-system-solver/id6469396751)

**Features:** macOS Compatibility, 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 Linear System Solver free?

Linear System Solver costs $0.99, with no in-app purchases.

### Do Google Calendar or Linear System Solver have ads?

Neither Google Calendar nor Linear System Solver shows ads.

### Which is updated more often, Google Calendar or Linear System Solver?

Google Calendar ships an update weekly, and Linear System Solver every 3 days. Most recently, Google Calendar was updated on October 15, 2026 and Linear System Solver on October 12, 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.*