# 指南针 vs Speedometer

The clearest difference is update cadence: Speedometer at every 6 days against 指南针's every 3 months. Speedometer also leads on ratings volume (179 vs 40). 指南针's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (14.0 vs 18.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. 指南针 sells 1 one-off in-app purchase and Speedometer sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for 指南针 against 4.9 for Speedometer. Both are backed by a comparable volume of ratings — 40 and 179 respectively. Written reviews are what separate them: 91% of 指南针's written reviews are positive against 94% of Speedometer's.

指南针 ships an update every 3 months, Speedometer every 6 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 指南针 | Speedometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (40 ratings)](https://appshunter.io/ios/app/gps/id6446302179/reviews) | **[4.9 (179 ratings)](https://appshunter.io/ios/app/speedometer-driving-tracker/id6759611784/reviews)** |
| Number of ratings | 40 | **179** |
| Positive reviews | 90.9% of reviews | **94.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 92 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [智平 刘](https://appshunter.io/developer/1125861933) | [Taohidul Islam](https://appshunter.io/developer/1835698446) |

## What reviewers say

### 指南针

[App page](https://appshunter.io/ios/app/gps/id6446302179)

This app provides real-time environmental data including altitude, pressure, and GPS coordinates. It offers customizable display modes and supports both GPS and phone altimeter data sources. Designed for simplicity and efficiency, it ensures a clean, ad-free user experience.

**Highlights:** Altitude, pressure, and GPS data display, Switchable GPS or phone altimeter sources, Dark and light mode support, UI customization, Ad-free experience, Minimal resource usage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 指南针PLUS 永久买断会员 | $1.99 | one-time |


### Speedometer

[App page](https://appshunter.io/ios/app/speedometer-driving-tracker/id6759611784)

Track your speed, distance, and trips with a versatile GPS odometer. Offers multiple display modes, including a HUD for windshield viewing. Features detailed analytics, route playback, and sprint timing for various activities.

**Highlights:** Real-time GPS speed tracking, Digital, analog, and HUD display modes, Windshield HUD mode, Trip recording and route tracking, Sprint timer for acceleration performance, Route playback on map, Video recording with speed overlay

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.99 | per month |
| Yearly Premium | $24.99 | per year |
| Lifetime Premium | $49.99 | one-time |


## Frequently asked questions

### Is 指南针 free?

指南针 is free to download, with in-app purchases available.

### Is Speedometer free?

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

### Which has better reviews, 指南针 or Speedometer?

Speedometer is rated higher. 指南针 averages 4.8 out of 5 from 40 ratings, while Speedometer averages 4.9 from 179 ratings.

### Do 指南针 or Speedometer have ads?

Neither 指南针 nor Speedometer shows ads.

### Which is updated more often, 指南针 or Speedometer?

指南针 ships an update every 3 months, and Speedometer every 6 days. Most recently, 指南针 was updated on September 21, 2026 and Speedometer on September 22, 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.*