# CTD vs GPS Speedometer

The clearest difference is in-app purchases: CTD at none against GPS Speedometer's 12. CTD also leads on ads (none vs shown) and iOS requirement (15.6 vs 17.0). GPS Speedometer's advantage is update cadence (every 2 weeks vs every 21 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. GPS Speedometer sells 12 in-app purchases, starting at $3.99 per 7 days. CTD asks for nothing beyond the download.

CTD ships an update every 21 months, GPS Speedometer every 2 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CTD | GPS Speedometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/gps-speedometer-triprank/id6770670028/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 13 MB | 94 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [NeoGLS](https://appshunter.io/developer/1532193329) | [Amirmahdi Fathi](https://appshunter.io/developer/1638616778) |

## What reviewers say

### CTD

[App page](https://appshunter.io/ios/app/ctd-connected-mobility/id1532193741)

Receive real-time traffic and road event information for your commute in Bordeaux. This app aims to enhance urban mobility by prioritizing traffic flow, user safety, and environmental impact.

**Highlights:** Real-time traffic information, Road event warnings, Green Light Optimal Speed Advisory (GLOSA), Road hazard and works alerts, Parking and Park and Ride information, Signal violation alerts, In-vehicle signage

**In-app purchases:** none


### GPS Speedometer

[App page](https://appshunter.io/ios/app/gps-speedometer-triprank/id6770670028)

This app records detailed metrics from your drives, including speed, distance, G-force, and events. It provides comprehensive trip reports with GPS maps and timelines, and offers features like sprint timers and ghost-lap mode for performance analysis.

**Highlights:** Real-time G-force measurement, Detailed trip reports, GPS route mapping with speed heatmap, Sprint timers for acceleration tests, Drive Score and Smoothness Score, Ghost-lap mode, Bump and pothole counter

**Features:** Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TripRank Pro — Weekly | $3.99 | per 7 days |
| TripRank Pro — Monthly | $6.99 | per month |
| TripRank Pro — Weekly | $8.99 | per 7 days |
| TripRank Pro — Monthly | $9.99 | per month |
| TripRank Pro — Founding Member | $11.95 | per year |
| TripRank Pro — Weekly | $11.99 | per 7 days |
| TripRank Pro — Monthly | $13.99 | per month |
| TripRank Pro — Annual | $19.99 | per year |
| TripRank Pro — Annual | $34.99 | per year |
| TripRank Pro — Annual | $39.99 | per year |
| TripRank Pro — Annual + Trial | $57.99 | per year |
| TripRank Pro — Lifetime | $144.99 | one-time |


## Frequently asked questions

### Is CTD free?

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

### Is GPS Speedometer free?

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

### Do CTD or GPS Speedometer have ads?

GPS Speedometer shows ads; CTD does not.

### Which is updated more often, CTD or GPS Speedometer?

CTD ships an update every 21 months, and GPS Speedometer every 2 weeks. Most recently, CTD was updated on October 5, 2026 and GPS Speedometer on October 1, 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.*