# iLook Max vs PV Calculator.

The clearest difference is in-app purchases: iLook Max at none against PV Calculator.'s 1. iLook Max also leads on update cadence (every 3 days vs every 7 months) and iOS requirement (11.0 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. iLook Max asks for nothing beyond the download.

iLook Max ships an update every 3 days, PV Calculator. every 7 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | iLook Max | 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 3 days** | Every 7 months |
| Monetization | — | Free with in-app purchases |
| Size | 85 MB | 52 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai YG Electronics Technology Co., Ltd.](https://appshunter.io/developer/1106799964) | [Nanjibhai Gorasiya](https://appshunter.io/developer/1834066312) |

## What reviewers say

### iLook Max

[App page](https://appshunter.io/ios/app/ilook-max/id6470614387)

**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 iLook Max free?

iLook Max 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 iLook Max or PV Calculator. have ads?

Neither iLook Max nor PV Calculator. shows ads.

### Which is updated more often, iLook Max or PV Calculator.?

iLook Max ships an update every 3 days, and PV Calculator. every 7 months. Most recently, iLook Max was updated on November 3, 2026 and PV Calculator. on October 31, 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.*