# SMTEN vs RayIQ

The clearest difference is update cadence: RayIQ at monthly against SMTEN's every 5 months. SMTEN's advantage is iOS requirement (12.0 vs 15.1). 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.

SMTEN ships an update every 5 months, RayIQ monthly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SMTEN | RayIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/smten/id1078137068/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 230 MB | 51 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) | [Shivesh Kaushik](https://appshunter.io/developer/1810665894) |

## What reviewers say

### SMTEN

[App page](https://appshunter.io/ios/app/smten/id1078137068)

Monitor your photovoltaic plant's performance remotely. Access real-time data on energy yield, income, and system status from anywhere. Requires registration with the SMTEN PV Data Center.

**Highlights:** Remote monitoring of photovoltaic plants, Access energy yield data, Track income generation, View system status, Wireless data access, Requires SMTEN PV Data Center registration

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

**In-app purchases:** none


### RayIQ

[App page](https://appshunter.io/ios/app/rayiq/id6745090935)

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

**In-app purchases:** none


## Frequently asked questions

### Is SMTEN free?

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

### Is RayIQ free?

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

### Do SMTEN or RayIQ have ads?

Neither SMTEN nor RayIQ shows ads.

### Which is updated more often, SMTEN or RayIQ?

SMTEN ships an update every 5 months, and RayIQ monthly. Most recently, SMTEN was updated on October 10, 2026 and RayIQ on October 24, 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.*