# Danlaw Smart Connect vs TPMS Chart

The clearest difference is update cadence: TPMS Chart at every 3 weeks against Danlaw Smart Connect's every 2 months. Danlaw Smart Connect's advantage is iOS requirement (10.3 vs 15.6). 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.

Danlaw Smart Connect ships an update every 2 months, TPMS Chart every 3 weeks. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Danlaw Smart Connect | TPMS Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/danlaw-smart-connect/id1413786644/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 46 MB | 52 MB |
| Requires iOS | **10.3** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Danlaw](https://appshunter.io/developer/1240850660) | [SYSGRATION](https://appshunter.io/developer/833548921) |

## What reviewers say

### Danlaw Smart Connect

[App page](https://appshunter.io/ios/app/danlaw-smart-connect/id1413786644)

This app connects to a car's OBD2 port via a PicoLogger device to transmit vehicle and driving data. It provides insights into battery voltage, tire pressure, GPS, trip times, and driving behavior. Data is securely transmitted to the app using Bluetooth and WiFi.

**Highlights:** Vehicle information (battery, tire pressure, GPS), Driving behavior tracking (trips, braking, acceleration), Automatic PicoLogger connection, Data transmission via WiFi, Wireless PicoLogger firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


### TPMS Chart

[App page](https://appshunter.io/ios/app/tpms-chart/id1468856989)

**In-app purchases:** none


## Frequently asked questions

### Is Danlaw Smart Connect free?

Danlaw Smart Connect is free to download, with no in-app purchases.

### Is TPMS Chart free?

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

### Do Danlaw Smart Connect or TPMS Chart have ads?

Neither Danlaw Smart Connect nor TPMS Chart shows ads.

### Which is updated more often, Danlaw Smart Connect or TPMS Chart?

Danlaw Smart Connect ships an update every 2 months, and TPMS Chart every 3 weeks. Most recently, Danlaw Smart Connect was updated on October 12, 2026 and TPMS Chart on October 7, 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.*