# GNSS Circuit Logger vs Himawari CIRCUIT

The clearest difference is ads: Himawari CIRCUIT at none against GNSS Circuit Logger's shown. GNSS Circuit Logger's advantage is iOS requirement (10.3 vs 16.4). On price, update cadence, in-app purchases and device support there is nothing between them.

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

GNSS Circuit Logger ships an update every 11 days, Himawari CIRCUIT weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | GNSS Circuit Logger | Himawari CIRCUIT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 86 MB |
| Requires iOS | **10.3** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Yuji Kanda](https://appshunter.io/developer/1244419770) | [masaki dobashi](https://appshunter.io/developer/1894974641) |

## 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


### Himawari CIRCUIT

[App page](https://appshunter.io/ios/app/himawari-circuit-lap-timer/id6762707429)

**In-app purchases:** none


## Frequently asked questions

### Is GNSS Circuit Logger free?

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

### Is Himawari CIRCUIT free?

Himawari CIRCUIT is free to download, with no in-app purchases.

### Do GNSS Circuit Logger or Himawari CIRCUIT have ads?

GNSS Circuit Logger shows ads; Himawari CIRCUIT does not.

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

GNSS Circuit Logger ships an update every 11 days, and Himawari CIRCUIT weekly. Most recently, GNSS Circuit Logger was updated on November 2, 2026 and Himawari CIRCUIT on November 9, 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.*