# CHESTON vs PV Calculator.

The clearest difference is in-app purchases: CHESTON at none against PV Calculator.'s 1. CHESTON also leads on iOS requirement (10.0 vs 13.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | CHESTON | PV Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pv-calculator/id6758427564/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 52 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [胜 邓](https://appshunter.io/developer/1368398791) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## What reviewers say

### CHESTON

[App page](https://appshunter.io/ios/app/cheston/id1586459252)

**Features:** macOS Compatibility

**In-app purchases:** none


### PV Calculator.

[App page](https://appshunter.io/ios/app/pv-calculator/id6758427564)

This tool simplifies solar photovoltaic system design and analysis for professionals and students. It offers a comprehensive Energy Hub with multiple calculators, providing instant results, visual charts, and clear insights for efficient PV system planning and optimization.

**Highlights:** Energy Hub with multiple solar calculators, Calculate solar panel power output, Analyze energy generation (daily, monthly, yearly), Design solar array size, Calculate system voltage and configuration, Instant calculation results, Visual charts and performance summaries

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime premium | $9.99 | one-time |


## Frequently asked questions

### Is CHESTON free?

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

### Is PV Calculator. free?

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

### Do CHESTON or PV Calculator. have ads?

Neither CHESTON nor PV Calculator. shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*