# Solar vs Maker Inventory

The clearest difference is in-app purchases: Solar at none against Maker Inventory's 5. Maker Inventory's advantage is iOS requirement (13.0 vs 15.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Maker Inventory sells 5 in-app purchases, starting at $1.99 per month. Solar asks for nothing beyond the download.

Solar ships an update every 2 months, Maker Inventory every 5 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Solar | Maker Inventory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/solar-log-web-enerest-3/id1225564286/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 19.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 56 MB |
| Requires iOS | 15.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solar-Log GmbH](https://appshunter.io/developer/373967607) | [Simon Cope](https://appshunter.io/developer/1878127016) |

## What reviewers say

### Solar

[App page](https://appshunter.io/ios/app/solar-log-web-enerest-3/id1225564286)

Monitor and visualize all aspects of your photovoltaic plants. Customize your dashboard with over 45 combinations and receive real-time status updates and news. Secure data transfer ensures your information is protected.

**Highlights:** Customizable pinboard dashboard, Visualization of production and consumption data, Real-time status and news updates, Fullscreen balance chart mode, Encrypted data transfer, Package upgrades for enhanced functionality

**In-app purchases:** none


### Maker Inventory

[App page](https://appshunter.io/ios/app/maker-inventory/id6759333356)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Maker Inventory Pro - Monthly Promo | $1.99 | per month |
| Maker Inventory Pro Monthly | $3.99 | per month |
| Pro Yearly | $39.99 | per year |
| Pro - Lifetime (Founder) | $79.99 | one-time |
| Pro - Lifetime | $129.00 | one-time |


## Frequently asked questions

### Is Solar free?

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

### Is Maker Inventory free?

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

### Do Solar or Maker Inventory have ads?

Neither Solar nor Maker Inventory shows ads.

### Which is updated more often, Solar or Maker Inventory?

Solar ships an update every 2 months, and Maker Inventory every 5 weeks. Most recently, Solar was updated on October 16, 2026 and Maker Inventory 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.*