# KD Serials vs Doran TPMS

The clearest difference is update cadence: KD Serials at every 4 weeks against Doran TPMS's every 5 months. KD Serials also leads on iOS requirement (9.0 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.

KD Serials ships an update every 4 weeks, Doran TPMS every 5 months. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KD Serials | Doran TPMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doran-tpms/id1666299578/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 months |
| Monetization | — | Free |
| Size | 39 MB | 38 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) | [Transpoworks Inc.](https://appshunter.io/developer/1664919543) |

## What reviewers say

### KD Serials

[App page](https://appshunter.io/ios/app/kd-serials/id1576490437)

**Features:** macOS Compatibility

**In-app purchases:** none


### Doran TPMS

[App page](https://appshunter.io/ios/app/doran-tpms/id1666299578)

Monitor tire pressure and temperature in real-time for commercial vehicles and agricultural equipment. Receive instant alerts for low, high, or unsafe conditions, and log data to track trends and identify potential issues.

**Highlights:** Bluetooth connectivity, Real-time monitoring, Customizable alerts, Data logging, Easy sensor installation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KD Serials free?

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

### Is Doran TPMS free?

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

### Do KD Serials or Doran TPMS have ads?

Neither KD Serials nor Doran TPMS shows ads.

### Which is updated more often, KD Serials or Doran TPMS?

KD Serials ships an update every 4 weeks, and Doran TPMS every 5 months. Most recently, KD Serials was updated on October 17, 2026 and Doran TPMS on October 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.*