# Calmark vs Dibs

The clearest difference is update cadence: Dibs at every 2 weeks against Calmark's every 4 months. Calmark's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calmark ships an update every 4 months, Dibs every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Calmark | Dibs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dibs-appointment-scheduling/id1529746235/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 13 MB | 66 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aram Hairumian](https://appshunter.io/developer/1461503009) | [Wolf Dibs Technologies LTD](https://appshunter.io/developer/1529746327) |

## What reviewers say

### Calmark

[App page](https://appshunter.io/ios/app/calmark/id1461503010)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dibs

[App page](https://appshunter.io/ios/app/dibs-appointment-scheduling/id1529746235)

Streamline your business operations with an intuitive platform for managing appointments and customer interactions. Easily set availability, send automated reminders, and maintain a clear overview of your schedule.

**Highlights:** Direct customer connection, Automated appointment reminders, Quick and easy booking interface, Adaptable for various business types, Weekly schedule constraint input, Integrated calendar views

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calmark free?

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

### Is Dibs free?

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

### Do Calmark or Dibs have ads?

Neither Calmark nor Dibs shows ads.

### Which is updated more often, Calmark or Dibs?

Calmark ships an update every 4 months, and Dibs every 2 weeks. Most recently, Calmark was updated on October 7, 2026 and Dibs on October 14, 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.*