# Polycab Solar vs Zentrex Smart Pro

The clearest difference is update cadence: Polycab Solar at every 3 weeks against Zentrex Smart Pro's every 18 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.

Polycab Solar ships an update every 3 weeks, Zentrex Smart Pro every 18 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Polycab Solar | Zentrex Smart Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 18 months |
| Monetization | Free | — |
| Size | 69 MB | 155 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Polycab India Limited](https://appshunter.io/developer/1449247701) | [Plexilent](https://appshunter.io/developer/1667733175) |

## What reviewers say

### Polycab Solar

[App page](https://appshunter.io/ios/app/polycab-solar/id6503246475)

Monitor your solar energy system remotely from your mobile device. Track performance and maximize solar energy harvesting with real-time data updates.

**Highlights:** Remote monitoring, Real-time data, Performance tracking, Maximize energy harvesting, Mobile access

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

**In-app purchases:** none


### Zentrex Smart Pro

[App page](https://appshunter.io/ios/app/zentrex-smart-pro/id6742682100)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polycab Solar free?

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

### Is Zentrex Smart Pro free?

Zentrex Smart Pro is free to download, with no in-app purchases.

### Do Polycab Solar or Zentrex Smart Pro have ads?

Neither Polycab Solar nor Zentrex Smart Pro shows ads.

### Which is updated more often, Polycab Solar or Zentrex Smart Pro?

Polycab Solar ships an update every 3 weeks, and Zentrex Smart Pro every 18 months. Most recently, Polycab Solar was updated on October 13, 2026 and Zentrex Smart Pro on October 16, 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.*