# SpeedGunner vs Slow Them Down

The clearest difference is review sentiment: Slow Them Down at 100% against SpeedGunner's 0%. Slow Them Down also leads on price (Free vs $1.99) and rating (3.0 vs 1.0). SpeedGunner's advantage is update cadence (monthly vs every 2 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Slow Them Down is free to download; SpeedGunner costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Slow Them Down holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of SpeedGunner's written reviews are positive against 100% of Slow Them Down's.

SpeedGunner ships an update monthly, Slow Them Down every 2 months. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | SpeedGunner | Slow Them Down |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/speedgunner/id6759308097/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/slow-them-down/id6760197118/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 1 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [i4software](https://appshunter.io/developer/376546133) | [Duncan Grazier](https://appshunter.io/developer/1883130848) |

## What reviewers say

### SpeedGunner

[App page](https://appshunter.io/ios/app/speedgunner/id6759308097)

This app uses your device's camera and lidar to measure vehicle speeds in your neighborhood. It offers real-time detection with photo evidence and encrypted local storage for your peace of mind.

**Highlights:** Real-time speed detection, Vehicle tracking and license plate modes, LiDAR distance calibration, Auto-capture with photo evidence, Encrypted local data storage, CSV export

**Features:** macOS Compatibility

**In-app purchases:** none


### Slow Them Down

[App page](https://appshunter.io/ios/app/slow-them-down/id6760197118)

This tool transforms your iPhone into a traffic speed study device. Record passing vehicles, mark their positions frame by frame, and obtain precise speed estimates. Generate detailed reports for community advocacy and traffic calming initiatives.

**Highlights:** Record passing traffic videos, Frame-by-frame vehicle position marking, Accurate speed estimation (MPH), Log vehicle type, direction, and timestamp, Generate PDF traffic reports, Automatic face and license plate blurring, Data for traffic calming advocacy

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

**In-app purchases:** none


## Frequently asked questions

### Is SpeedGunner free?

SpeedGunner costs $1.99, with no in-app purchases.

### Is Slow Them Down free?

Slow Them Down is free to download, with no in-app purchases.

### Which has better reviews, SpeedGunner or Slow Them Down?

Slow Them Down is rated higher. SpeedGunner averages 1.0 out of 5 from 2 ratings, while Slow Them Down averages 3.0 from 2 ratings.

### Do SpeedGunner or Slow Them Down have ads?

Neither SpeedGunner nor Slow Them Down shows ads.

### Which is updated more often, SpeedGunner or Slow Them Down?

SpeedGunner ships an update monthly, and Slow Them Down every 2 months. Most recently, SpeedGunner was updated on October 25, 2026 and Slow Them Down on October 16, 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.*