# PV Solar Tilt vs Simco Engineers

The clearest difference is in-app purchases: Simco Engineers at none against PV Solar Tilt's 1. Simco Engineers also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PV Solar Tilt sells 1 one-off in-app purchase. Simco Engineers asks for nothing beyond the download.

PV Solar Tilt ships an update every 4 months, Simco Engineers every 3 weeks. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PV Solar Tilt | Simco Engineers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (169 ratings)](https://appshunter.io/ios/app/pv-solar-tilt/id1492982128/reviews)** | — |
| Number of ratings | **169** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 56 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [AHASOLAR TECHNOLOGIES LIMITED](https://appshunter.io/developer/1632224285) |

## What reviewers say

### PV Solar Tilt

[App page](https://appshunter.io/ios/app/pv-solar-tilt/id1492982128)

Determine the ideal tilt angle for your photovoltaic system to maximize electricity generation. This app provides solar data, optimization tools, and an on-site inclinometer to ensure your panels are optimally positioned for your location.

**Highlights:** Solar data charts, Tilt vs azimuth optimization, Optimal tilt angle for any location, Optimal orientation, Monthly, daily, and hourly tilt optimization, On-site inclinometer

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime license | $14.99 | one-time |


### Simco Engineers

[App page](https://appshunter.io/ios/app/simco-engineers/id6443891485)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PV Solar Tilt free?

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

### Is Simco Engineers free?

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

### Do PV Solar Tilt or Simco Engineers have ads?

PV Solar Tilt shows ads; Simco Engineers does not.

### Which is updated more often, PV Solar Tilt or Simco Engineers?

PV Solar Tilt ships an update every 4 months, and Simco Engineers every 3 weeks. Most recently, PV Solar Tilt was updated on October 21, 2026 and Simco Engineers on October 6, 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.*