# PostFlow vs Cal.com

The clearest difference is price: Cal.com at Free against PostFlow's $99.99. Cal.com also leads on iOS requirement (15.1 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Cal.com is free to download; PostFlow costs $99.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PostFlow ships an update fortnightly, Cal.com every 3 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PostFlow | Cal.com |
| --- | --- | --- |
| Price | $99.99 | **Free** |
| Rating | — | **[4.9 (218 ratings)](https://appshunter.io/ios/app/calcom/id6757157271/reviews)** |
| Number of ratings | — | **218** |
| Positive reviews | — | 54.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 10 MB | 41 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karl Boghossian](https://appshunter.io/developer/889776560) | [Cal.com, Inc.](https://appshunter.io/developer/1864941554) |

## What reviewers say

### PostFlow

[App page](https://appshunter.io/ios/app/postflow-ai-posts-and-listings/id1560566778)

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

**In-app purchases:** none


### Cal.com

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

This mobile app simplifies meeting scheduling on the go. It allows users to book, reschedule, and cancel appointments with ease, syncing with their existing calendars and providing real-time availability. Smart notifications help users stay organized with upcoming events.

**Highlights:** Instant scheduling on mobile, Real-time calendar sync, Smart event notifications, Seamless integration with tools, Reschedule and cancel meetings

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

**In-app purchases:** none


## Frequently asked questions

### Is PostFlow free?

PostFlow costs $99.99, with no in-app purchases.

### Is Cal.com free?

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

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

Neither PostFlow nor Cal.com shows ads.

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

PostFlow ships an update fortnightly, and Cal.com every 3 weeks. Most recently, PostFlow was updated on October 27, 2026 and Cal.com on October 28, 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.*