# HTD TPMS vs Thiên Phương Smart

The clearest difference is iOS requirement: Thiên Phương Smart at 13.0 against HTD TPMS's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HTD TPMS ships an update every 5 weeks, Thiên Phương Smart every 6 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HTD TPMS | Thiên Phương Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 37 MB | 103 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HTD Technology Develop JSC](https://appshunter.io/developer/1626804406) | [Manh Nguyen Ngoc](https://appshunter.io/developer/1678913138) |

## What reviewers say

### HTD TPMS

[App page](https://appshunter.io/ios/app/htd-tpms/id6443782561)

**In-app purchases:** none


### Thiên Phương Smart

[App page](https://appshunter.io/ios/app/thien-phuong-smart/id6446757683)

**In-app purchases:** none


## Frequently asked questions

### Is HTD TPMS free?

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

### Is Thiên Phương Smart free?

Thiên Phương Smart is free to download, with no in-app purchases.

### Do HTD TPMS or Thiên Phương Smart have ads?

Neither HTD TPMS nor Thiên Phương Smart shows ads.

### Which is updated more often, HTD TPMS or Thiên Phương Smart?

HTD TPMS ships an update every 5 weeks, and Thiên Phương Smart every 6 weeks. Most recently, HTD TPMS was updated on September 17, 2026 and Thiên Phương Smart on September 9, 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.*