# SolaROI vs Links2

The clearest difference is in-app purchases: Links2 at none against SolaROI's 3. Links2 also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.6). On price, update cadence and device support there is nothing between them.

Both are free to download. SolaROI sells 3 in-app purchases, starting at $5.99 per month. Links2 asks for nothing beyond the download.

SolaROI ships an update monthly, Links2 every 2 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SolaROI | Links2 |
| --- | --- | --- |
| 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** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 75 MB | 39 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Helioplexus Inc](https://appshunter.io/developer/1082213286) | [Linkswell Automotive Inc.](https://appshunter.io/developer/1639464869) |

## 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 |


### Links2

[App page](https://appshunter.io/ios/app/links2/id6578443735)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolaROI free?

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

### Is Links2 free?

Links2 is free to download, with no in-app purchases.

### Do SolaROI or Links2 have ads?

SolaROI shows ads; Links2 does not.

### Which is updated more often, SolaROI or Links2?

SolaROI ships an update monthly, and Links2 every 2 months. Most recently, SolaROI was updated on October 4, 2026 and Links2 on October 3, 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.*