# iAccel vs Cuspart

The clearest difference is price: iAccel at Free against Cuspart's $0.99. iAccel also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

iAccel is free to download; Cuspart costs $0.99 up front. iAccel sells 1 one-off in-app purchase and Cuspart sells 11 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

iAccel ships an update every 5 months, Cuspart every 3 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | iAccel | Cuspart |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 112 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joseph G Neades](https://appshunter.io/developer/952697110) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### 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 |


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-gps-drag-timer/id6482291685)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Subscription | $0.99 | per month |
| 1-Week Subscription | $0.99 | per 7 days |
| 12-Month Subscription | $9.99 | per year |
| 3-Month Subscription | $9.99 | per 3 months |
| Espresso | $0.99 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.99 | one-time |
| Caffè Mocha | $3.99 | one-time |
| Classic Hot Chocolate | $3.99 | one-time |
| Special Hot Chocolate | $3.99 | one-time |
| Upgrade to Pro | $9.90 | one-time |


## Frequently asked questions

### Is iAccel free?

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

### Is Cuspart free?

Cuspart costs $0.99, and also offers in-app purchases.

### Do iAccel or Cuspart have ads?

Cuspart shows ads; iAccel does not.

### Which is updated more often, iAccel or Cuspart?

iAccel ships an update every 5 months, and Cuspart every 3 months. Most recently, iAccel was updated on October 3, 2026 and Cuspart on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*