# The Clock by seense vs Availability Sync

The clearest difference is price: Availability Sync at Free against The Clock by seense's $2.99. Availability Sync also leads on update cadence (weekly vs every 8 months) and rating (4.4 vs 4.2). The Clock by seense's advantage is chart position (#188 vs unranked) and ratings volume (20 vs 5). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Availability Sync is free to download; The Clock by seense costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Availability Sync holds the better App Store score, 4.4 against 4.2. Both are backed by a comparable volume of ratings — 20 and 5 respectively. Written reviews complicate that: 73% of The Clock by seense's written reviews are positive against 67% of Availability Sync's, so the app with the better star average is not the one people write more warmly about.

The Clock by seense ships an update every 8 months, Availability Sync weekly. The most recent releases landed on September 10, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | The Clock by seense | Availability Sync |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.2 (20 ratings)](https://appshunter.io/ios/app/the-clock-by-seense/id1389282014/reviews) | **[4.4 (5 ratings)](https://appshunter.io/ios/app/availability-sync/id6670766226/reviews)** |
| Number of ratings | **20** | 5 |
| Positive reviews | **73.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Paid | **Free** |
| Best chart rank | **#188** | — |
| Size | 15 MB | 10 MB |
| Requires iOS | 17.6 | **17.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabrice Leyne](https://appshunter.io/developer/473092875) | [David Fuerst](https://appshunter.io/developer/1754806202) |

## What reviewers say

### The Clock by seense

[App page](https://appshunter.io/ios/app/the-clock-by-seense/id1389282014)

**Currently charting:** #188 Top Paid · Productivity (US App Store)

Manage contacts across time zones, plan meetings efficiently, and view calendars with this highly customizable world clock app. It offers a variety of clock faces, business hour highlights, and break reminders, with widget and Siri shortcut support.

**Highlights:** World clock with customizable faces, Meeting planner with business hours, iOS Calendar integration, Break reminders, Widget and Siri Shortcuts, Customizable themes

**Features:** Vision Pro support

**In-app purchases:** none


### Availability Sync

[App page](https://appshunter.io/ios/app/availability-sync/id6670766226)

Easily share your free time slots for meetings and appointments. This app integrates with your existing calendars and allows for customized sharing messages and professional calendar invites. Streamline your scheduling process and avoid back-and-forth communication.

**Highlights:** Instant availability sharing, Calendar integration (iOS, Google, Outlook), Customizable sharing messages, Professional calendar invitations, Multiple time slot selection, Time zone management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Clock by seense free?

The Clock by seense costs $2.99, with no in-app purchases.

### Is Availability Sync free?

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

### Which has better reviews, The Clock by seense or Availability Sync?

Availability Sync is rated higher. The Clock by seense averages 4.2 out of 5 from 20 ratings, while Availability Sync averages 4.4 from 5 ratings.

### Do The Clock by seense or Availability Sync have ads?

Neither The Clock by seense nor Availability Sync shows ads.

### Which is updated more often, The Clock by seense or Availability Sync?

The Clock by seense ships an update every 8 months, and Availability Sync weekly. Most recently, The Clock by seense was updated on September 10, 2026 and Availability Sync on June 2, 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.*