# TiltSync vs Voltage Drop Calculator

The clearest difference is in-app purchases: TiltSync at none against Voltage Drop Calculator's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Voltage Drop Calculator sells 1 one-off in-app purchase. TiltSync asks for nothing beyond the download.

## The numbers

| Metric | TiltSync | Voltage Drop Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tiltsync/id6758175977/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free | — |
| Size | 25 MB | 2 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Smith](https://appshunter.io/developer/1599414012) | [Kirill Bereznev](https://appshunter.io/developer/6800891315) |

## What reviewers say

### TiltSync

[App page](https://appshunter.io/ios/app/tiltsync/id6758175977)

This tool uses your device's sensors to help you precisely align solar panels for maximum energy production. It offers multiple alignment views and optimization modes, providing real-time feedback and haptic guidance for professional results.

**Highlights:** Precision interface with compass and tilt indicator, Multiple alignment views (Dashboard, Tilt, Compass), Three optimization modes (Year-Round, Seasonal, Daily), Color-coded and haptic feedback for guidance, Offline functionality, Instant startup with cached GPS

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltage Drop Calculator

[App page](https://appshunter.io/ios/app/voltage-drop-calculator-nec/id6800891313)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voltage Drop Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is TiltSync free?

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

### Is Voltage Drop Calculator free?

Voltage Drop Calculator is free to download, with in-app purchases available.

### Do TiltSync or Voltage Drop Calculator have ads?

Neither TiltSync nor Voltage Drop Calculator shows ads.

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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.*