# i.Solar vs Decidey

The clearest difference is ads: i.Solar at none against Decidey's shown. i.Solar also leads on iOS requirement (15.0 vs 26.1). Decidey's advantage is update cadence (every 2 days vs weekly). On price, 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.Solar ships an update weekly, Decidey every 2 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | i.Solar | Decidey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (9 ratings)](https://appshunter.io/ios/app/isolar/id1632580672/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 51 MB | 7 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trusted UPS Manufacturing Company](https://appshunter.io/developer/1632202346) | [ARMINAS SALTENIS](https://appshunter.io/developer/1865192018) |

## What reviewers say

### i.Solar

[App page](https://appshunter.io/ios/app/isolar/id1632580672)

Monitor your inverters remotely with real-time data and control capabilities. This app allows for daily data tracking, command sending, and remote device management.

**Highlights:** Daily data monitoring, Real-time data enquiry, Command sending, Remote device control

**Features:** Vision Pro support

**In-app purchases:** none


### Decidey

[App page](https://appshunter.io/ios/app/decidey/id6757265317)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i.Solar free?

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

### Is Decidey free?

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

### Do i.Solar or Decidey have ads?

Decidey shows ads; i.Solar does not.

### Which is updated more often, i.Solar or Decidey?

i.Solar ships an update weekly, and Decidey every 2 days. Most recently, i.Solar was updated on October 10, 2026 and Decidey on October 3, 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.*