# GNSS Circuit Logger vs Trakio

The clearest difference is in-app purchases: GNSS Circuit Logger at none against Trakio's 2. GNSS Circuit Logger also leads on iOS requirement (10.3 vs 15.1). Trakio's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Trakio sells 2 in-app purchases, starting at $14.99 per year. GNSS Circuit Logger asks for nothing beyond the download.

GNSS Circuit Logger ships an update every 11 days, Trakio every 2 weeks. The most recent releases landed on October 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GNSS Circuit Logger | Trakio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 14 MB | 54 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Kanda](https://appshunter.io/developer/1244419770) | [kevin timsiline](https://appshunter.io/developer/1876260004) |

## What reviewers say

### 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


### Trakio

[App page](https://appshunter.io/ios/app/trakio/id6760278416)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trakio Pro Yearly | $14.99 | per year |
| Trakio Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is GNSS Circuit Logger free?

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

### Is Trakio free?

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

### Do GNSS Circuit Logger or Trakio have ads?

GNSS Circuit Logger shows ads; Trakio does not.

### Which is updated more often, GNSS Circuit Logger or Trakio?

GNSS Circuit Logger ships an update every 11 days, and Trakio every 2 weeks. Most recently, GNSS Circuit Logger was updated on October 2, 2026 and Trakio on October 28, 2026.

---

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