# elmo9f vs Solar Setup

The clearest difference is in-app purchases: elmo9f at none against Solar Setup's 1. Solar Setup's advantage is ads (none vs shown) and update cadence (every 2 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Solar Setup sells 1 one-off in-app purchase. elmo9f asks for nothing beyond the download.

elmo9f ships an update monthly, Solar Setup every 2 days. The most recent releases landed on September 9, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | elmo9f | Solar Setup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 days** |
| Size | 118 MB | 46 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [KARIM LAHMAR](https://appshunter.io/developer/1780752790) | [Ammar Khatib](https://appshunter.io/developer/1613990135) |

## What reviewers say

### elmo9f

[App page](https://appshunter.io/ios/app/elmo9f/id6739287449)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Solar Setup

[App page](https://appshunter.io/ios/app/solar-setup-off-grid-calc/id6771114823)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solar Setup Pro | $6.99 | one-time |


## Frequently asked questions

### Is elmo9f free?

elmo9f is free to download, with no in-app purchases.

### Is Solar Setup free?

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

### Do elmo9f or Solar Setup have ads?

elmo9f shows ads; Solar Setup does not.

### Which is updated more often, elmo9f or Solar Setup?

elmo9f ships an update monthly, and Solar Setup every 2 days. Most recently, elmo9f was updated on September 9, 2026 and Solar Setup on August 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.*