# D vs Track Attack! Lap timer & maps

The clearest difference is review sentiment: Track Attack! Lap timer & maps at 98% against D's 13%. Track Attack! Lap timer & maps also leads on rating (4.9 vs 1.9) and update cadence (every 2 weeks vs every 5 months). D's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 16.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Track Attack! Lap timer & maps sells 2 in-app purchases, starting at $12.99 per month. D asks for nothing beyond the download.

Track Attack! Lap timer & maps holds the better App Store score, 4.9 against 1.9. Both are backed by a comparable volume of ratings — 126 and 145 respectively. Written reviews point the same way: 13% of D's written reviews are positive against 98% of Track Attack! Lap timer & maps's.

D ships an update every 5 months, Track Attack! Lap timer & maps every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | D | Track Attack! Lap timer & maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (126 ratings)](https://appshunter.io/ios/app/d-sport/id1169979276/reviews) | **[4.9 (145 ratings)](https://appshunter.io/ios/app/track-attack-lap-timer-and-maps/id1557802135/reviews)** |
| Number of ratings | 126 | **145** |
| Positive reviews | 12.5% of reviews | **98.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 33 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Dinan Corp](https://appshunter.io/developer/1036838407) | [Velocity Labs LLC](https://appshunter.io/developer/1557802137) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-sport/id1169979276)

Control your engine's performance with a connected tuner. Adjust boost levels for fuel efficiency or increased power, choosing from five distinct settings. Monitor real-time and peak boost pressure directly from your smartphone.

**Highlights:** Adjust engine boost levels, 5 power settings (Valet, Stock, Sport, Sport+, Race), Monitor live boost pressure, Monitor peak boost pressure, Control engine performance

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

**In-app purchases:** none


### Track Attack! Lap timer & maps

[App page](https://appshunter.io/ios/app/track-attack-lap-timer-and-maps/id1557802135)

Record your drives with video and GPS data. Plan routes with unlimited waypoints and navigate with live weather. For track use, it offers accurate lap timing and performance analysis. Supports dual-camera recording and customizable data overlays.

**Highlights:** Lap timer with delta bars, Route planning with unlimited waypoints, Dual-camera picture-in-picture video recording, Customizable video overlays, OBD, GPS, and heart rate sensor support, Shareable routes and data

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Track Attack Pro (1 month) | $12.99 | per month |
| Track Attack Pro (1 year) | $59.99 | per year |

**What reviewers like**

- 👍 Extremely user-friendly interface and easy setup
- 🎥 High-quality video recording with customizable overlays
- 📊 Comprehensive telemetry data and lap timing accuracy
- 🔗 Seamless OBD2 device connectivity via Bluetooth
- 💰 Free base version with optional paid features

**What reviewers complain about**

- 💳 Subscription required for full functionality
- 📱 Landscape-only mode limits accessibility
- 🎨 Limited customization for visual elements (logo, dial styles)
- 🔌 Occasional Bluetooth connectivity issues with some OBD devices
- 📺 Logo placement takes up significant screen space

**Reported bugs**

- OBDlink MX+ device not appearing in OBD device list
- Bluetooth connectivity issues with certain OBD readers
- CarPlay interference with latest iPhone updates

**Requested features**

- External video import capability
- Simulated braking data from G-force sensors
- Lap splits functionality
- Leaderboard feature for shared routes with friends
- Portrait/vertical mode support


## Frequently asked questions

### Is D free?

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

### Is Track Attack! Lap timer & maps free?

Track Attack! Lap timer & maps is free to download, with in-app purchases available.

### Which has better reviews, D or Track Attack! Lap timer & maps?

Track Attack! Lap timer & maps is rated higher. D averages 1.9 out of 5 from 126 ratings, while Track Attack! Lap timer & maps averages 4.9 from 145 ratings.

### Do D or Track Attack! Lap timer & maps have ads?

Neither D nor Track Attack! Lap timer & maps shows ads.

### Which is updated more often, D or Track Attack! Lap timer & maps?

D ships an update every 5 months, and Track Attack! Lap timer & maps every 2 weeks. Most recently, D was updated on October 7, 2026 and Track Attack! Lap timer & maps on October 14, 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.*