# VBOX Sport Performance Test vs iAccel

The clearest difference is review sentiment: iAccel at 100% against VBOX Sport Performance Test's 19%. VBOX Sport Performance Test's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iAccel sells 1 one-off in-app purchase. VBOX Sport Performance Test asks for nothing beyond the download.

VBOX Sport Performance Test ships an update every 6 months, iAccel every 5 months. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | VBOX Sport Performance Test | iAccel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (127 ratings)](https://appshunter.io/ios/app/vbox-sport-performance-test/id610418083/reviews)** | — |
| Number of ratings | **127** | — |
| Positive reviews | 18.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 1 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Racelogic](https://appshunter.io/developer/608904500) | [Joseph G Neades](https://appshunter.io/developer/952697110) |

## What reviewers say

### VBOX Sport Performance Test

[App page](https://appshunter.io/ios/app/vbox-sport-performance-test/id610418083)

Enhance your iPhone's capabilities with this app, designed to work with a high-accuracy GPS receiver for precise performance data. Measure acceleration, deceleration, and VMAX for your vehicle with professional-grade accuracy. Explore various testing modes for braking and zero-to-zero times.

**Highlights:** High accuracy GPS data collection, Vehicle acceleration measurement, Deceleration and VMAX tracking, 0-60 acceleration time, 1/4 mile time and trap speed, Braking performance testing, Zero to zero time measurement

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

**In-app purchases:** none


### iAccel

[App page](https://appshunter.io/ios/app/iaccel/id952697111)

Measure your vehicle's acceleration and braking performance with this app. It displays real-time gauges and graphs, stores results for analysis, and offers various test modes. Upgrade to Pro for advanced features like EDR and Crash modes.

**Highlights:** Acceleration and braking performance testing, Real-time gauge and graph display, CSV data export for analysis, 0-60 mph and 0-100 km/h tests, Continuous recording mode, Automatic calibration to gradient, Day/Night mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iAccel Pro | $2.99 | one-time |


## Frequently asked questions

### Is VBOX Sport Performance Test free?

VBOX Sport Performance Test is free to download, with no in-app purchases.

### Is iAccel free?

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

### Do VBOX Sport Performance Test or iAccel have ads?

Neither VBOX Sport Performance Test nor iAccel shows ads.

### Which is updated more often, VBOX Sport Performance Test or iAccel?

VBOX Sport Performance Test ships an update every 6 months, and iAccel every 5 months. Most recently, VBOX Sport Performance Test was updated on September 21, 2026 and iAccel on June 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.*