# Speed Limit Camera vs Themis Black Box

The clearest difference is in-app purchases: Themis Black Box at none against Speed Limit Camera's 4. Themis Black Box also leads on review sentiment (61% vs 32%) and update cadence (every 5 weeks vs every 3 months). Speed Limit Camera's advantage is ads (none vs shown). On price, monetization model, device support and iOS requirement there is nothing between them.

Both are free to download. Speed Limit Camera sells 4 in-app purchases, starting at $3.99 per 7 days. Themis Black Box asks for nothing beyond the download.

Speed Limit Camera ships an update every 3 months, Themis Black Box every 5 weeks. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Speed Limit Camera | Themis Black Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (531 ratings)](https://appshunter.io/ios/app/speed-limit-camera-detector/id1237199452/reviews)** | — |
| Number of ratings | **531** | — |
| Positive reviews | 32.4% of reviews | **60.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 24 MB | 8 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [IBN Software GmbH](https://appshunter.io/developer/1078675464) | [Yeontack Jeong](https://appshunter.io/developer/334795593) |

## What reviewers say

### Speed Limit Camera

[App page](https://appshunter.io/ios/app/speed-limit-camera-detector/id1237199452)

This app detects European speed limits using your phone's camera and map data. It displays your current speed and the limit, providing warnings if you exceed it. Features include CarPlay support and advanced road sign recognition.

**Highlights:** Real-time speed limit detection, Camera-based road sign recognition, Map-based speed limit data, CarPlay support, Speeding warnings, GPS speedometer

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Limits Pro weekly | $3.99 | per 7 days |
| Limits Pro monthly | $7.99 | per month |
| Limits Pro yearly | $12.99 | per year |
| Limits Pro (One time purchase) | $24.99 | one-time |

**What reviewers like**

- 🚀 Accurate speed detection
- 👍 Clean and simple design
- 💡 Useful concept

**What reviewers complain about**

- 🐛 Unreliable sign detection
- 🐛 Misses electronic/variable speed signs
- 🔋 High battery consumption
- 💸 Expensive subscription
- 🚫 Incompatible with CarPlay

**Reported bugs**

- Incorrect speed limit display
- Inconsistent sign recognition
- Camera focus issues

**Requested features**

- Ability to manually set speed limits
- Support for more road sign types (e.g. entry/exit, temporary)
- Improved sign detection in low light/poor conditions
- Background mode/integration with navigation apps


### Themis Black Box

[App page](https://appshunter.io/ios/app/themis-black-box/id1577907867)

This app transforms your smartphone into a high-quality dashcam, offering advanced recording features like 4K resolution, HDR, and image stabilization. It includes a built-in speedometer, GPS logging, and watermarking for speed and location data, with easy file management and sharing options.

**Highlights:** 4K, 1080p, 720p recording resolutions, UltraWide, Wide, Tele camera support, HDR and OIS recording, Built-in speedometer and level, GPS location and speed watermarking, Easy file management and sharing, Camera direction switching

**In-app purchases:** none


## Frequently asked questions

### Is Speed Limit Camera free?

Speed Limit Camera is free to download, with in-app purchases available.

### Is Themis Black Box free?

Themis Black Box is free to download, with no in-app purchases.

### Do Speed Limit Camera or Themis Black Box have ads?

Themis Black Box shows ads; Speed Limit Camera does not.

### Which is updated more often, Speed Limit Camera or Themis Black Box?

Speed Limit Camera ships an update every 3 months, and Themis Black Box every 5 weeks. Most recently, Speed Limit Camera was updated on October 21, 2026 and Themis Black Box on October 19, 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.*