# DigSpice Circuit Timer Pro vs GNSS Circuit Logger

The clearest difference is ads: DigSpice Circuit Timer Pro at none against GNSS Circuit Logger's shown. DigSpice Circuit Timer Pro also leads on monetization model (free vs ad-supported). GNSS Circuit Logger's advantage is update cadence (every 11 days vs every 3 months) and review sentiment (78% vs 50%). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DigSpice Circuit Timer Pro ships an update every 3 months, GNSS Circuit Logger every 11 days. The most recent releases landed on August 29, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | DigSpice Circuit Timer Pro | GNSS Circuit Logger |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **77.8% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 14 MB |
| Requires iOS | 11.0 | **10.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TADAYOSHI SATO](https://appshunter.io/developer/958854307) | [Yuji Kanda](https://appshunter.io/developer/1244419770) |

## 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


### GNSS Circuit Logger

[App page](https://appshunter.io/ios/app/gnss-circuit-logger/id1435155551)

This application functions as a lap timer for circuit driving, utilizing GNSS technology. It supports various BLE devices for data logging and offers CSV, NMEA, and GPX output formats for lap times.

**Highlights:** GNSS lap timer for circuit driving, BLE device compatibility (LNS and QSTARZ protocols), CSV, NMEA, GPX lap time output, Data logging for circuit racing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DigSpice Circuit Timer Pro free?

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

### Is GNSS Circuit Logger free?

GNSS Circuit Logger is free to download, with no in-app purchases.

### Do DigSpice Circuit Timer Pro or GNSS Circuit Logger have ads?

GNSS Circuit Logger shows ads; DigSpice Circuit Timer Pro does not.

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

DigSpice Circuit Timer Pro ships an update every 3 months, and GNSS Circuit Logger every 11 days. Most recently, DigSpice Circuit Timer Pro was updated on August 29, 2026 and GNSS Circuit Logger on July 5, 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.*