# PV Solar Tilt vs Scribe Clock

The clearest difference is in-app purchases: Scribe Clock at none against PV Solar Tilt's 1. Scribe Clock also leads on ads (none vs shown). PV Solar Tilt's advantage is iOS requirement (13.0 vs 16.4). On price, update cadence and device support there is nothing between them.

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

PV Solar Tilt ships an update every 4 months, Scribe Clock every 5 months. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PV Solar Tilt | Scribe Clock |
| --- | --- | --- |
| 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 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 66 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Igor Ilijovski](https://appshunter.io/developer/1492982127) | [Haydar Al-Karar LLC](https://appshunter.io/developer/1805255455) |

## 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 |


### Scribe Clock

[App page](https://appshunter.io/ios/app/scribe-clock/id6759312317)

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

**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 Scribe Clock free?

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

### Do PV Solar Tilt or Scribe Clock have ads?

PV Solar Tilt shows ads; Scribe Clock does not.

### Which is updated more often, PV Solar Tilt or Scribe Clock?

PV Solar Tilt ships an update every 4 months, and Scribe Clock every 5 months. Most recently, PV Solar Tilt was updated on October 21, 2026 and Scribe Clock on October 10, 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.*