# SolaROI vs Dued App

The clearest difference is in-app purchases: Dued App at none against SolaROI's 3. Dued App also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. SolaROI sells 3 in-app purchases, starting at $5.99 per month. Dued App asks for nothing beyond the download.

SolaROI ships an update monthly, Dued App fortnightly. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SolaROI | Dued App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/solaroi/id1082213287/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 45 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Helioplexus Inc](https://appshunter.io/developer/1082213286) | [Magna Food, Health & Safety Ltd](https://appshunter.io/developer/1554995019) |

## What reviewers say

### SolaROI

[App page](https://appshunter.io/ios/app/solaroi/id1082213287)

Analyze your home's solar potential, estimate savings, and find local installers. Compare quotes and learn about solar basics to make informed decisions about renewable energy for your property.

**Highlights:** Analyze electric usage and solar ROI, Find and rate local solar installers, Compare installer quotes by Cost per Watt, Educate on solar basics and news, Customize solar system scenarios, Supports commercial and industrial installs

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bill History Subscription | $5.99 | per month |
| Remove Ads | $0.99 | one-time |
| SolaROI Premium | $4.99 | one-time |


### Dued App

[App page](https://appshunter.io/ios/app/dued-app/id1554995017)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolaROI free?

SolaROI is free to download, with in-app purchases available.

### Is Dued App free?

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

### Do SolaROI or Dued App have ads?

SolaROI shows ads; Dued App does not.

### Which is updated more often, SolaROI or Dued App?

SolaROI ships an update monthly, and Dued App fortnightly. Most recently, SolaROI was updated on September 17, 2026 and Dued App on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*