LapLogger vs Hongtool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LapLogger
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.
- 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
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Read/Reset the Diagnostic Trouble Codes(DTC) and the clear Check Engine Light, Readiness flags are also available for your emission test. Sampling/logging with real-time charts and gauges. English and Metric units. OBD command expert to access directly the ECUs. Export and Email logs to CSV/TXT It works with WiFi ELM32x-based interfaces When requested Continued use of GPS running in the background can dramatically decrease battery life.
Hongtool
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Hongtool is a useful car inspection tool. Including detection functions for fault codes, frozen frames, data streams, oxygen sensors, batteries, etc. Fortunately, fun modules such as dashboard, performance testing, and trip analysis make your car worry free and full of fun.
Screenshots
Verdict
The clearest difference is update cadence: LapLogger at every 3 months against Hongtool's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LapLogger ships an update every 3 months, Hongtool every 11 months. The most recent releases landed on September 12, 2026 and September 14, 2026 respectively.
| Parameter | LapLogger | Hongtool |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9 | 9.0 |
| Further details — not scored | ||
| Size | 16 MB | 154 MB |
| Age rating | 17+ | 4+ |
| Developer | BSC INc. | 海淑 金 |
In-app purchases
LapLogger
No in-app purchases
Hongtool
No in-app purchases
