# Advac PY vs Crew SYNC App

Advac PY and Crew SYNC App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Advac PY ships an update every 4 weeks, Crew SYNC App fortnightly. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Advac PY | Crew SYNC App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 41 MB | 39 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [ADVAC Systems Ltd.](https://appshunter.io/developer/1703102996) | [beetleware](https://appshunter.io/developer/1525723117) |

## What reviewers say

### Advac PY

[App page](https://appshunter.io/ios/app/advac-py/id6462491332)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Crew SYNC App

[App page](https://appshunter.io/ios/app/crew-sync-app/id6753706806)

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

**In-app purchases:** none


## Frequently asked questions

### Is Advac PY free?

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

### Is Crew SYNC App free?

Crew SYNC App is free to download, with no in-app purchases.

### Do Advac PY or Crew SYNC App have ads?

Neither Advac PY nor Crew SYNC App shows ads.

### Which is updated more often, Advac PY or Crew SYNC App?

Advac PY ships an update every 4 weeks, and Crew SYNC App fortnightly. Most recently, Advac PY was updated on October 13, 2026 and Crew SYNC App on October 7, 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.*