# Solar Check Production vs fonio.ai

The clearest difference is price: fonio.ai at Free against Solar Check Production's $2.99. fonio.ai also leads on in-app purchases (none vs 2) and review sentiment (100% vs 67%). Solar Check Production's advantage is device support (5 vs 1). On ads and iOS requirement there is nothing between them.

fonio.ai is free to download; Solar Check Production costs $2.99 up front. Solar Check Production sells 2 one-off in-app purchases. fonio.ai asks for nothing beyond the download.

Solar Check Production ships an update every 2 weeks, fonio.ai every 3 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Solar Check Production | fonio.ai |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fonioai/id6774538486/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 60 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Andreas Huth](https://appshunter.io/developer/1480447601) | [fonio GmbH](https://appshunter.io/developer/6774538488) |

## What reviewers say

### Solar Check Production

[App page](https://appshunter.io/ios/app/solar-check-production/id6443956312)

Visualize your solar system's production data with home and lock screen widgets. This app integrates with the SOLARMAN Smart platform, requiring only your existing login credentials. It's designed for users of compatible solar systems to easily monitor performance.

**Highlights:** Home screen widgets, Lock screen widgets, Apple Watch integration, SOLARMAN Smart platform compatibility, Uses existing SOLARMAN Smart login

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MQTT data usage | $8.99 | one-time |
| Inverter data | $8.99 | one-time |


### fonio.ai

[App page](https://appshunter.io/ios/app/fonioai/id6774538486)

This app allows users to make and receive business calls using their existing Fonio phone numbers. It provides features like selecting outgoing caller ID, viewing call history, and searching contacts. An active Fonio business account and internet connection are required for use.

**Highlights:** Make and answer business calls, Select outgoing caller ID, View call history, Search and call contacts, Manage Fonio phone numbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Solar Check Production free?

Solar Check Production costs $2.99, and also offers in-app purchases.

### Is fonio.ai free?

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

### Do Solar Check Production or fonio.ai have ads?

Neither Solar Check Production nor fonio.ai shows ads.

### Which is updated more often, Solar Check Production or fonio.ai?

Solar Check Production ships an update every 2 weeks, and fonio.ai every 3 days. Most recently, Solar Check Production was updated on October 5, 2026 and fonio.ai on October 7, 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.*