# LapLogger vs Pistonly

The clearest difference is review sentiment: Pistonly at 100% against LapLogger's 33%. Pistonly also leads on rating (5.0 vs 3.5) and update cadence (weekly vs every 3 months). LapLogger's advantage is in-app purchases (none vs 3) and iOS requirement (9 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Pistonly sells 3 in-app purchases, starting at $4.99 per month. LapLogger asks for nothing beyond the download.

Pistonly holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 33% of LapLogger's written reviews are positive against 100% of Pistonly's.

LapLogger ships an update every 3 months, Pistonly weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LapLogger | Pistonly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/laplogger-lite/id548423906/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pistonly-ai-car-diagnostics/id6791636728/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 16 MB | 36 MB |
| Requires iOS | **9** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [BSC INc.](https://appshunter.io/developer/548423929) | [Aliaksei Yelin](https://appshunter.io/developer/1502827500) |

## What reviewers say

### LapLogger

[App page](https://appshunter.io/ios/app/laplogger-lite/id548423906)

Read and reset diagnostic trouble codes (DTC) to clear your check engine light. Monitor real-time engine data with charts and gauges, and export logs for analysis. Supports English and metric units.

**Highlights:** Read/Reset DTCs, Clear Check Engine Light, Readiness flags for emission tests, Real-time charts and gauges, Export logs to CSV/TXT, OBD command expert access

**Features:** macOS Compatibility

**In-app purchases:** none


### Pistonly

[App page](https://appshunter.io/ios/app/pistonly-ai-car-diagnostics/id6791636728)

This app acts as an AI mechanic, interpreting OBD2 fault codes and car service history to identify likely issues. It provides guided checklists and detailed explanations, helping users understand and manage car repairs.

**Highlights:** AI fault code analysis, Car service history logging, Guided repair checklists, Live sensor data, Odometer cross-check, Plain language explanations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pistonly Pro — Monthly | $4.99 | per month |
| Pistonly Pro — Annual | $29.99 | per year |
| Pistonly Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is LapLogger free?

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

### Is Pistonly free?

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

### Which has better reviews, LapLogger or Pistonly?

Pistonly is rated higher. LapLogger averages 3.5 out of 5 from 2 ratings, while Pistonly averages 5.0 from 1 ratings.

### Do LapLogger or Pistonly have ads?

Neither LapLogger nor Pistonly shows ads.

### Which is updated more often, LapLogger or Pistonly?

LapLogger ships an update every 3 months, and Pistonly weekly. Most recently, LapLogger was updated on October 23, 2026 and Pistonly on October 24, 2026.

---

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