# HTD TPMS vs SolarEye Plus

The clearest difference is update cadence: SolarEye Plus at every 6 days against HTD TPMS's every 5 weeks. SolarEye Plus also leads on iOS requirement (13.0 vs 15.5). 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.

HTD TPMS ships an update every 5 weeks, SolarEye Plus every 6 days. The most recent releases landed on October 4, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | HTD TPMS | SolarEye Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Size | 38 MB | 37 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) | [EPS TRADING AND TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1851668589) |

## What reviewers say

### HTD TPMS

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

**Features:** Vision Pro support

**In-app purchases:** none


### SolarEye Plus

[App page](https://appshunter.io/ios/app/solareye-plus/id6761375028)

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

**In-app purchases:** none


## Frequently asked questions

### Is HTD TPMS free?

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

### Is SolarEye Plus free?

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

### Do HTD TPMS or SolarEye Plus have ads?

Neither HTD TPMS nor SolarEye Plus shows ads.

### Which is updated more often, HTD TPMS or SolarEye Plus?

HTD TPMS ships an update every 5 weeks, and SolarEye Plus every 6 days. Most recently, HTD TPMS was updated on October 4, 2026 and SolarEye Plus on September 24, 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.*