# PitLogic vs Spark ECU

The clearest difference is review sentiment: PitLogic at 100% against Spark ECU's 0%. PitLogic also leads on rating (5.0 vs 1.0) and update cadence (every 4 weeks vs every 7 months). Spark ECU's advantage is in-app purchases (none vs 10). On price, ads and device support there is nothing between them.

Both are free to download. PitLogic sells 10 in-app purchases, starting at $9.99 per month. Spark ECU asks for nothing beyond the download.

PitLogic holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: PitLogic has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of PitLogic's written reviews are positive against 0% of Spark ECU's.

PitLogic ships an update every 4 weeks, Spark ECU every 7 months. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | PitLogic | Spark ECU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/pitlogic/id1453816149/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/spark-ecu/id6453165199/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 7 months |
| Monetization | Subscription | **Free** |
| Size | 49 MB | 129 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CSI Shocks LLC](https://appshunter.io/developer/1453816148) | [AIM tech SRL](https://appshunter.io/developer/1187892995) |

## What reviewers say

### PitLogic

[App page](https://appshunter.io/ios/app/pitlogic/id1453816149)

Manage all your race car setup information in one digital notebook. Store shop and race day setups, notes, and shock data. Utilize gear charts and checklists to optimize performance and inventory.

**Highlights:** Digital race car notebook, Setup sheet templates, Shock information storage, Gear charts for RPM calculations, Racing checklists, Tire and parts inventory tracking, Stagger selection

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CSI Bronze Monthly Auto Renew | $9.99 | per month |
| CSI Silver Monthly Auto Renew | $9.99 | per month |
| CSI Gold Monthly Auto Renew | $9.99 | per month |
| PitLogic Complete Monthly | $9.99 | per month |
| PitLogic Complete Yearly | $99.99 | per year |
| Shock Download Qty:1 | $4.99 | one-time |
| Shock Download Qty:5 | $24.99 | one-time |
| Shock Download Qty:6 | $29.99 | one-time |
| Shock Download Qty:7 | $34.99 | one-time |
| Shock Download Qty:8 | $39.99 | one-time |


### Spark ECU

[App page](https://appshunter.io/ios/app/spark-ecu/id6453165199)

View live engine data from your vehicle in real-time. Connect your smartphone via Bluetooth to access telemetry, receive diagnostic alerts, and adjust fuel settings. Easily switch between engine maps with an intuitive interface.

**Highlights:** Live engine data telemetry, Diagnostic fault alerts, Fuel adjustment settings, Engine map switching, Bluetooth connectivity, Automatic device pairing

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

**In-app purchases:** none


## Frequently asked questions

### Is PitLogic free?

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

### Is Spark ECU free?

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

### Which has better reviews, PitLogic or Spark ECU?

PitLogic is rated higher. PitLogic averages 5.0 out of 5 from 8 ratings, while Spark ECU averages 1.0 from 1 ratings.

### Do PitLogic or Spark ECU have ads?

Neither PitLogic nor Spark ECU shows ads.

### Which is updated more often, PitLogic or Spark ECU?

PitLogic ships an update every 4 weeks, and Spark ECU every 7 months. Most recently, PitLogic was updated on September 7, 2026 and Spark ECU on September 10, 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.*