# DigSpice Circuit Timer Pro vs QUAD

The clearest difference is review sentiment: QUAD at 100% against DigSpice Circuit Timer Pro's 50%. QUAD also leads on update cadence (every 2 weeks vs every 3 months). DigSpice Circuit Timer Pro's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (11.0 vs 15.1). On price, ads, 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.

DigSpice Circuit Timer Pro ships an update every 3 months, QUAD every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | DigSpice Circuit Timer Pro | QUAD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 49 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TADAYOSHI SATO](https://appshunter.io/developer/958854307) | [SYNSETECH LTD](https://appshunter.io/developer/6792617372) |

## 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


### QUAD

[App page](https://appshunter.io/ios/app/quad-g-forcemeter-laptimer/id6792617370)

This app uses your phone's sensors and GPS to provide real-time lap timing, sector splits, and vehicle dynamics data like G-forces and four-wheel weight transfer. It also includes a data logger for post-drive analysis and alerts for understeer and oversteer.

**Highlights:** GPS lap and sector timing, Four-wheel load monitoring, Real-time G-G diagram, Understeer/oversteer alerts, Data logging and playback, Customizable UI themes and units

**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 QUAD free?

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

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

Neither DigSpice Circuit Timer Pro nor QUAD shows ads.

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

DigSpice Circuit Timer Pro ships an update every 3 months, and QUAD every 2 weeks. Most recently, DigSpice Circuit Timer Pro was updated on November 1, 2026 and QUAD on November 5, 2026.

---

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