# Cal.com vs Slotly

The clearest difference is in-app purchases: Cal.com at none against Slotly's 2. Cal.com also leads on update cadence (every 4 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Slotly sells 2 in-app purchases, starting at $1.99 per month. Cal.com asks for nothing beyond the download.

Cal.com ships an update every 4 weeks, Slotly every 3 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Cal.com | Slotly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (232 ratings)](https://appshunter.io/ios/app/calcom/id6757157271/reviews)** | — |
| Number of ratings | **232** | — |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 44 MB | 79 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cal.com, Inc.](https://appshunter.io/developer/1864941554) | [DMITRI DIMITROV](https://appshunter.io/developer/1892104417) |

## What reviewers say

### Cal.com

[App page](https://appshunter.io/ios/app/calcom/id6757157271)

This app simplifies scheduling meetings on the go. Book, reschedule, or cancel appointments with a few taps, syncing directly with your calendar. Receive smart notifications and integrate with your existing tools for seamless collaboration.

**Highlights:** Instant meeting booking, rescheduling, and cancellation, Real-time calendar synchronization, Smart push notifications for events, Integration with email and video tools, Mobile-friendly scheduling

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

**In-app purchases:** none


### Slotly

[App page](https://appshunter.io/ios/app/slotly-personal-task-tracker/id6761924799)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slotly Pro (1 Month) | $1.99 | per month |
| Slotly Pro (1 Year) | $14.99 | per year |


## Frequently asked questions

### Is Cal.com free?

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

### Is Slotly free?

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

### Do Cal.com or Slotly have ads?

Neither Cal.com nor Slotly shows ads.

### Which is updated more often, Cal.com or Slotly?

Cal.com ships an update every 4 weeks, and Slotly every 3 months. Most recently, Cal.com was updated on November 6, 2026 and Slotly on November 5, 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.*