# Vantage Calendar vs Keystone

The clearest difference is in-app purchases: Keystone at none against Vantage Calendar's 3. Vantage Calendar's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Vantage Calendar sells 3 in-app purchases, starting at $3.99 per month. Keystone asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Vantage Calendar | Keystone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.8K ratings)](https://appshunter.io/ios/app/vantage-calendar/id777313686/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fortyfour AB](https://appshunter.io/developer/452146266) | [Ionut Mocanu](https://appshunter.io/developer/1648541447) |

## What reviewers say

### Vantage Calendar

[App page](https://appshunter.io/ios/app/vantage-calendar/id777313686)

This app offers a visually engaging way to manage your schedule and to-do lists. It uses colorful cues, stickers, and "stacks" to help you understand your day at a glance. Integrated to-dos can be easily scheduled by dragging and dropping them onto dates.

**Highlights:** Visual cues (colors, stickers, book covers), Summarize days with 'Stacks', Integrated to-do lists in notebooks, Drag and drop to-dos to dates, Natural language input, Syncs with multiple calendars

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $9.99 | per year |
| Unlimited | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Visually appealing design
- 💡 Unique calendar view
- 👍 Customizable options
- 👍 Integrates calendar and to-do lists

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🐛 Sync and sync issues
- 🐛 Notifications not working
- 🐛 Recurring tasks not working
- 💰 Paid subscription model

**Reported bugs**

- App crashing on launch
- Inability to restore purchases
- Sync issues causing data loss
- Recurring tasks not working as expected

**Requested features**

- Widgets
- Apple Watch app
- More color and theme options
- Ability to see full month view
- Ability to add contacts to events


### Keystone

[App page](https://appshunter.io/ios/app/keystone-project-tracker/id6760302143)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vantage Calendar free?

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

### Is Keystone free?

Keystone is free to download, with no in-app purchases.

### Do Vantage Calendar or Keystone have ads?

Neither Vantage Calendar nor Keystone shows ads.

### Which is updated more often, Vantage Calendar or Keystone?

Vantage Calendar ships an update fortnightly, and Keystone fortnightly. Most recently, Vantage Calendar was updated on October 15, 2026 and Keystone on October 7, 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.*