# DigSpice Circuit Timer Pro vs SFgo

The clearest difference is review sentiment: DigSpice Circuit Timer Pro at 50% against SFgo's 8%. DigSpice Circuit Timer Pro also leads on in-app purchases (none vs 2) and iOS requirement (11.0 vs 14.0). SFgo's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. SFgo sells 2 in-app purchases, starting at $9.99 per month. DigSpice Circuit Timer Pro asks for nothing beyond the download.

DigSpice Circuit Timer Pro ships an update every 3 months, SFgo every 5 weeks. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DigSpice Circuit Timer Pro | SFgo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sfgo/id1615551217/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **50.0% of reviews** | 8.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Subscription |
| Size | 9 MB | 69 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TADAYOSHI SATO](https://appshunter.io/developer/958854307) | [JAPAN RACE PROMOTION INC.](https://appshunter.io/developer/1615551219) |

## 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


### SFgo

[App page](https://appshunter.io/ios/app/sfgo/id1615551217)

Experience SUPER FORMULA like never before with live onboard footage and real-time telemetry data. This official app offers a new way to follow the racing action.

**Highlights:** Live onboard camera feeds, Real-time telemetry data, Official SUPER FORMULA coverage, New viewing experience, Interactive race data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $79.99 | per year |


## Frequently asked questions

### Is DigSpice Circuit Timer Pro free?

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

### Is SFgo free?

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

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

Neither DigSpice Circuit Timer Pro nor SFgo shows ads.

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

DigSpice Circuit Timer Pro ships an update every 3 months, and SFgo every 5 weeks. Most recently, DigSpice Circuit Timer Pro was updated on September 29, 2026 and SFgo on October 15, 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.*