# DigSpice Circuit Timer Pro vs RaceChrono Pro

The clearest difference is price: DigSpice Circuit Timer Pro at Free against RaceChrono Pro's $19.99. DigSpice Circuit Timer Pro also leads on in-app purchases (none vs 3) and iOS requirement (11.0 vs 15.6). RaceChrono Pro's advantage is update cadence (monthly vs every 3 months) and chart position (#16 vs unranked). On review sentiment, ads and device support there is nothing between them.

DigSpice Circuit Timer Pro is free to download; RaceChrono Pro costs $19.99 up front. RaceChrono Pro sells 3 one-off in-app purchases. DigSpice Circuit Timer Pro asks for nothing beyond the download.

DigSpice Circuit Timer Pro ships an update every 3 months, RaceChrono Pro monthly. The most recent releases landed on August 29, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DigSpice Circuit Timer Pro | RaceChrono Pro |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | — | **[4.7 (174 ratings)](https://appshunter.io/ios/app/racechrono-pro/id1129429340/reviews)** |
| Number of ratings | — | **174** |
| Positive reviews | 50.0% of reviews | **57.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Best chart rank | — | **#16** |
| Size | 9 MB | 43 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TADAYOSHI SATO](https://appshunter.io/developer/958854307) | [RaceChrono Oy](https://appshunter.io/developer/1056547888) |

## What reviewers say

### DigSpice Circuit Timer Pro

[App page](https://appshunter.io/ios/app/digspice-circuit-timer-pro/id998178188)

This app uses a dedicated GPS logger to measure lap times for motorsports. It automatically identifies circuits and displays lap times with color-coded comparisons to your best times. Features include sector timing, target time setting, and audio readouts.

**Highlights:** Lap time measurement via GPS logger, Automatic circuit identification, Color-coded lap time comparison, Sector timing with hold function, Target time setting and countdown, Audio readouts for lap and sector times, Data export via iTunes File Sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### RaceChrono Pro

[App page](https://appshunter.io/ios/app/racechrono-pro/id1129429340)

**Currently charting:** #16 Top Paid · Sports (US App Store)

This app serves as a comprehensive lap timer and data logger for motorsports, enabling users to record and analyze performance. It offers video recording with data overlays and supports a wide range of external GPS and OBD-II devices for enhanced accuracy.

**Highlights:** Lap timing with sectors and optimal lap, Track library with over 2600 pre-made tracks, Data analysis with synchronized graphs and maps, Predictive lap timing, Video recording with data overlay, Support for external GPS and OBD-II devices, Unlimited session length

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reference session 3 | $0.99 | one-time |
| Reference session 2 | $4.99 | one-time |
| Reference session 1 | $8.99 | one-time |


## Frequently asked questions

### Is DigSpice Circuit Timer Pro free?

DigSpice Circuit Timer Pro is free to download, with no in-app purchases.

### Is RaceChrono Pro free?

RaceChrono Pro costs $19.99, and also offers in-app purchases.

### Do DigSpice Circuit Timer Pro or RaceChrono Pro have ads?

Neither DigSpice Circuit Timer Pro nor RaceChrono Pro shows ads.

### Which is updated more often, DigSpice Circuit Timer Pro or RaceChrono Pro?

DigSpice Circuit Timer Pro ships an update every 3 months, and RaceChrono Pro monthly. Most recently, DigSpice Circuit Timer Pro was updated on August 29, 2026 and RaceChrono Pro on September 21, 2026.

---

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