# Availability Sync vs Ping.it

The clearest difference is in-app purchases: Availability Sync at none against Ping.it's 3. Availability Sync also leads on update cadence (weekly vs every 2 months) and iOS requirement (17.5 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Ping.it sells 3 in-app purchases, starting at $1.99 per month. Availability Sync asks for nothing beyond the download.

Availability Sync ships an update weekly, Ping.it every 2 months. The most recent releases landed on June 2, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Availability Sync | Ping.it |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/availability-sync/id6670766226/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 10 MB | 6 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [David Fuerst](https://appshunter.io/developer/1754806202) | [Marine Guerteau](https://appshunter.io/developer/1884351877) |

## What reviewers say

### 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


### Ping.it

[App page](https://appshunter.io/ios/app/pingit-time-since/id6760417049)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Availability Sync free?

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

### Is Ping.it free?

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

### Do Availability Sync or Ping.it have ads?

Neither Availability Sync nor Ping.it shows ads.

### Which is updated more often, Availability Sync or Ping.it?

Availability Sync ships an update weekly, and Ping.it every 2 months. Most recently, Availability Sync was updated on June 2, 2026 and Ping.it on September 10, 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.*