# SynScan Pro vs VaultDrv

The clearest difference is update cadence: SynScan Pro at every 2 months against VaultDrv's every 5 months. SynScan Pro also leads on iOS requirement (14.0 vs 26.2). 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.

SynScan Pro ships an update every 2 months, VaultDrv every 5 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SynScan Pro | VaultDrv |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (56 ratings)](https://appshunter.io/ios/app/synscan-pro/id1302270121/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 21.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 46 MB | 4 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) | [Matthew Demers](https://appshunter.io/developer/1474513356) |

## What reviewers say

### SynScan Pro

[App page](https://appshunter.io/ios/app/synscan-pro/id1302270121)

Control motorized telescope mounts for celestial observation and astrophotography. Features include precise slewing, alignment, GOTO, and tracking of stars, planets, and deep-sky objects. Supports advanced functions like polar alignment and camera triggering.

**Highlights:** Control telescope mount (slew, align, GOTO, track), Point and Track celestial objects, Gamepad navigation support, Catalog of celestial objects, Third-party app integration (ASCOM, SkySafari), Polar alignment (with or without polar scope), Camera shutter release control

**Features:** macOS Compatibility

**In-app purchases:** none


### VaultDrv

[App page](https://appshunter.io/ios/app/vaultdrv-car-record-keeper/id6761662129)

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

**In-app purchases:** none


## Frequently asked questions

### Is SynScan Pro free?

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

### Is VaultDrv free?

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

### Do SynScan Pro or VaultDrv have ads?

Neither SynScan Pro nor VaultDrv shows ads.

### Which is updated more often, SynScan Pro or VaultDrv?

SynScan Pro ships an update every 2 months, and VaultDrv every 5 months. Most recently, SynScan Pro was updated on November 2, 2026 and VaultDrv on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*