# Kelvin TOP vs Prolius

The clearest difference is update cadence: Prolius at every 6 weeks against Kelvin TOP's every 3 months. 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.

Kelvin TOP ships an update every 3 months, Prolius every 6 weeks. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Kelvin TOP | Prolius |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 45 MB | 56 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KelvinTOPSET](https://appshunter.io/developer/1491145622) | [Prolius Limited](https://appshunter.io/developer/1662460354) |

## What reviewers say

### Kelvin TOP

[App page](https://appshunter.io/ios/app/kelvin-top-set/id1491145623)

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

**In-app purchases:** none


### Prolius

[App page](https://appshunter.io/ios/app/prolius/id6477530907)

Streamline fleet operations with a centralized management platform. Improve vehicle compliance, gain real-time data insights, and boost productivity while reducing paperwork and costs. Enhance safety with DVSA-compliant features.

**Highlights:** Centralized fleet management, Real-time data insights, Streamlined digital processes, Reduced paperwork and admin, Improved safety compliance, Cost reduction through efficiency

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

**In-app purchases:** none


## Frequently asked questions

### Is Kelvin TOP free?

Kelvin TOP is free to download, with no in-app purchases.

### Is Prolius free?

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

### Do Kelvin TOP or Prolius have ads?

Neither Kelvin TOP nor Prolius shows ads.

### Which is updated more often, Kelvin TOP or Prolius?

Kelvin TOP ships an update every 3 months, and Prolius every 6 weeks. Most recently, Kelvin TOP was updated on October 26, 2026 and Prolius on November 4, 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.*