# SynScan vs 懒人驾考

The clearest difference is in-app purchases: SynScan at none against 懒人驾考's 4. SynScan also leads on ads (none vs shown). 懒人驾考's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 懒人驾考 sells 4 one-off in-app purchases. SynScan asks for nothing beyond the download.

SynScan ships an update every 2 months, 懒人驾考 every 2 weeks. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | SynScan | 懒人驾考 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (8 ratings)](https://appshunter.io/ios/app/synscan/id1243086631/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 46 MB | 262 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Astropower Technology Co. Ltd.](https://appshunter.io/developer/1787940478) | [厦门青柠檬信息科技有限公司](https://appshunter.io/developer/1069406483) |

## What reviewers say

### SynScan

[App page](https://appshunter.io/ios/app/synscan/id1243086631)

Control motorized telescope mounts for celestial object tracking and exploration. Features include GOTO functionality, object catalogs, and gamepad navigation. Ideal for novice users with alt-azimuth mounts.

**Highlights:** Control telescope mount slew, align, GOTO, and track, Point and Track celestial objects, Support gamepad navigation, Browse and save celestial object catalogs, Third-party app integration (ASCOM, SkySafari, Stellarium), Emulator mount for testing

**Features:** macOS Compatibility

**In-app purchases:** none


### 懒人驾考

[App page](https://appshunter.io/ios/app/id1448464120)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 科二会员 | $3.99 | one-time |
| 科三会员 | $3.99 | one-time |
| 一个月会员 | $5.99 | one-time |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is SynScan free?

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

### Is 懒人驾考 free?

懒人驾考 is free to download, with in-app purchases available.

### Do SynScan or 懒人驾考 have ads?

懒人驾考 shows ads; SynScan does not.

### Which is updated more often, SynScan or 懒人驾考?

SynScan ships an update every 2 months, and 懒人驾考 every 2 weeks. Most recently, SynScan was updated on June 1, 2026 and 懒人驾考 on September 15, 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.*