# OpenSolar vs YoutilityKnock

The clearest difference is rating: YoutilityKnock at 5.0 against OpenSolar's 4.4. YoutilityKnock also leads on update cadence (every 3 days vs every 6 weeks). On price, ratings volume, 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.

YoutilityKnock holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 10 and 5 respectively.

OpenSolar ships an update every 6 weeks, YoutilityKnock every 3 days. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | OpenSolar | YoutilityKnock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/opensolar/id1410085935/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/youtilityknock/id6782308637/reviews)** |
| Number of ratings | **10** | 5 |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 216 MB | 18 MB |
| Requires iOS | 15.7 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OpenSolar Pty Ltd](https://appshunter.io/developer/1340033321) | [Michael Lindsay](https://appshunter.io/developer/6782308639) |

## What reviewers say

### OpenSolar

[App page](https://appshunter.io/ios/app/opensolar/id1410085935)

This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.

**Highlights:** End-to-end solar design, Sales application, Free to use, Comprehensive functionality

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

**In-app purchases:** none


### YoutilityKnock

[App page](https://appshunter.io/ios/app/youtilityknock/id6782308637)

This app helps door-to-door sales and canvassing teams manage their territories and leads efficiently. It offers offline functionality, allowing users to map their turf, capture lead information on-site, and track team activity. Managers can monitor their team's progress, ensuring seamless operations even without an internet connection.

**Highlights:** Map territory and view nearby homes, Capture leads with homeowner details and notes, Attach photos to lead entries, Track work territories and team activity, Offline support for data syncing, Managerial hierarchy for team oversight

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

**In-app purchases:** none


## Frequently asked questions

### Is OpenSolar free?

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

### Is YoutilityKnock free?

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

### Which has better reviews, OpenSolar or YoutilityKnock?

YoutilityKnock is rated higher. OpenSolar averages 4.4 out of 5 from 10 ratings, while YoutilityKnock averages 5.0 from 5 ratings.

### Do OpenSolar or YoutilityKnock have ads?

Neither OpenSolar nor YoutilityKnock shows ads.

### Which is updated more often, OpenSolar or YoutilityKnock?

OpenSolar ships an update every 6 weeks, and YoutilityKnock every 3 days. Most recently, OpenSolar was updated on October 7, 2026 and YoutilityKnock on September 26, 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.*