# i vs Solar Controller

The clearest difference is update cadence: i at monthly against Solar Controller's every 9 months. i also leads on iOS requirement (9.3 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

i ships an update monthly, Solar Controller every 9 months. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | i | Solar Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/i-shade/id1297008038/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free | — |
| Size | 190 MB | 23 MB |
| Requires iOS | **9.3** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [t2Fi](https://appshunter.io/developer/1255063027) | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-shade/id1297008038)

Control your smart blinds and awnings remotely from your smartphone or tablet. This app enhances energy efficiency by allowing you to adjust shading from anywhere in the world. It's compatible with most models and can even retrofit existing shades with a smart remote.

**Highlights:** Remote control of blinds and awnings, Smart device integration, Energy efficiency enhancement, Control from anywhere globally, Retrofit existing shades

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Controller

[App page](https://appshunter.io/ios/app/solar-controller/id1665008052)

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Solar Controller free?

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

### Do i or Solar Controller have ads?

Neither i nor Solar Controller shows ads.

### Which is updated more often, i or Solar Controller?

i ships an update monthly, and Solar Controller every 9 months. Most recently, i was updated on October 7, 2026 and Solar Controller on September 25, 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.*