# BaroTool vs FastR

The clearest difference is price: FastR at Free against BaroTool's $0.99. FastR also leads on review sentiment (38% vs 0%) and update cadence (every 5 months vs every 33 months). BaroTool's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

FastR is free to download; BaroTool costs $0.99 up front. FastR sells 2 one-off in-app purchases. BaroTool asks for nothing beyond the download.

BaroTool ships an update every 33 months, FastR every 5 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BaroTool | FastR |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (319 ratings)](https://appshunter.io/ios/app/fastr-0-60-acceleration-test/id1296375567/reviews)** |
| Number of ratings | — | **319** |
| Positive reviews | 0.0% of reviews | **37.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 5 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 20 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [domesticusdevelop](https://appshunter.io/developer/373834594) | [Erhies Fekarurhobo](https://appshunter.io/developer/1296375566) |

## What reviewers say

### BaroTool

[App page](https://appshunter.io/ios/app/barotool/id1207571604)

Measure altitude differences with this accurate altimeter. It can detect even small changes in height, allowing you to reset the zero level for new measurements. Requires a device with a barometer.

**Highlights:** Accurate altitude difference measurement, Detects small height changes, Reset to zero level function, Requires device barometer

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

**In-app purchases:** none


### FastR

[App page](https://appshunter.io/ios/app/fastr-0-60-acceleration-test/id1296375567)

Measure your vehicle's acceleration performance with this app. It automatically tests 0-60 and quarter-mile times with millisecond accuracy. Compete with others on a real-time leaderboard and save results for different car models.

**Highlights:** Hands-free, automated acceleration testing, 0-60 and Quarter mile time measurement, Millisecond accuracy, Real-time user ranking, Save times for different car models

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Leaderboard Posts | $3.99 | one-time |
| Unlock 1/4 Mile Timing | $5.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface and simple design
- 💡 Innovative concept for testing 0-60 times without expensive equipment
- 🏆 Competitive leaderboard feature for sharing times
- 📱 Well-designed app layout
- ✅ Accurate readings for slower vehicles (6+ second 0-60 times)

**What reviewers complain about**

- 🐛 Severe GPS lag and timing delays (1-3+ seconds behind actual speed)
- ❌ Highly inaccurate for high-performance vehicles (sub-5 second 0-60)
- 🔌 Network connection issues preventing app functionality
- 📵 Login and authentication problems (Facebook-only requirement)
- ⚠️ Inconsistent and unreliable acceleration measurements

**Reported bugs**

- Network connection errors preventing vehicle selection
- Facebook login buffering and not connecting
- App fails to record and save acceleration times
- GPS speed readings lag significantly behind actual speed
- App crashes on launch or during use

**Requested features**

- GPS-based auto-start feature instead of manual start button
- Audio cues for 'ready, set, go' countdown
- Alternative login methods beyond Facebook
- Save vehicle selection for future sessions
- Support for multiple vehicles per account


## Frequently asked questions

### Is BaroTool free?

BaroTool costs $0.99, with no in-app purchases.

### Is FastR free?

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

### Do BaroTool or FastR have ads?

Neither BaroTool nor FastR shows ads.

### Which is updated more often, BaroTool or FastR?

BaroTool ships an update every 33 months, and FastR every 5 months. Most recently, BaroTool was updated on October 20, 2026 and FastR on October 24, 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.*