# Polnav mobile Navigation vs 首席測速照相

The clearest difference is rating: 首席測速照相 at 5.0 against Polnav mobile Navigation's 4.0. 首席測速照相 also leads on iOS requirement (13.0 vs 15.6). Polnav mobile Navigation's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Polnav mobile Navigation sells 13 in-app purchases, starting at $1.49 per year and 首席測速照相 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

首席測速照相 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Polnav mobile Navigation ships an update every 2 weeks, 首席測速照相 every 2 months. The most recent releases landed on October 21, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Polnav mobile Navigation | 首席測速照相 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/polnav-mobile-navigation/id799321993/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1009481869/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 190 MB | 151 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polstar Technologies Inc.](https://appshunter.io/developer/393264828) | [WeiTing Chen](https://appshunter.io/developer/1009481868) |

## What reviewers say

### Polnav mobile Navigation

[App page](https://appshunter.io/ios/app/polnav-mobile-navigation/id799321993)

This free GPS navigation app offers offline maps and accurate voice guidance for various vehicles. Enhance your experience with premium features like Text-to-Speech, speed camera alerts, and junction views through in-app purchases.

**Highlights:** Offline map support, Accurate voice guidance, Multi-vehicle support (car, scooter, motorcycle), Ultra-fast rerouting, Keyword fuzzy search, Junction view (IAP), Text-to-Speech guidance (IAP)

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Road speed enforcement camera | $1.49 | per year |
| Speed enforcement camera | $1.49 | per year |
| Taiwan Real-time Traffic/RM | $4.99 | per year |
| CarPlay Taiwan Map Display/RM | $5.99 | per year |
| Taiwan 3D Landmark | Free | one-time |
| Taiwan map/RM | Free | one-time |
| New York map/OSM | Free | one-time |
| Los Angeles map/OSM | Free | one-time |
| Singapore, Malaysia and Brunei map/MFM | Free | one-time |
| Chinese TTS | $1.99 | one-time |
| Taiwan Speed Camera | $2.99 | one-time |
| Advanced mode | $2.99 | one-time |
| Taiwan Junction View seperated | $3.99 | one-time |


### 首席測速照相

[App page](https://appshunter.io/ios/app/id1009481869)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 測速警報 21天效期 | $2.99 | one-time |
| 測速警報 無使用期限 | $32.99 | one-time |


## Frequently asked questions

### Is Polnav mobile Navigation free?

Polnav mobile Navigation is free to download, with in-app purchases available.

### Is 首席測速照相 free?

首席測速照相 is free to download, with in-app purchases available.

### Which has better reviews, Polnav mobile Navigation or 首席測速照相?

首席測速照相 is rated higher. Polnav mobile Navigation averages 4.0 out of 5 from 4 ratings, while 首席測速照相 averages 5.0 from 1 ratings.

### Do Polnav mobile Navigation or 首席測速照相 have ads?

首席測速照相 shows ads; Polnav mobile Navigation does not.

### Which is updated more often, Polnav mobile Navigation or 首席測速照相?

Polnav mobile Navigation ships an update every 2 weeks, and 首席測速照相 every 2 months. Most recently, Polnav mobile Navigation was updated on October 21, 2026 and 首席測速照相 on October 8, 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.*