# ATSolar vs Turn Technician

The clearest difference is ads: Turn Technician at none against ATSolar's shown. ATSolar's advantage is update cadence (every 9 days vs monthly) and iOS requirement (13.0 vs 15.2). 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.

ATSolar ships an update every 9 days, Turn Technician monthly. The most recent releases landed on October 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ATSolar | Turn Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/atsolar/id1080077994/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Ad-supported | — |
| Size | 37 MB | 20 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Aotai Electric Co. Ltd](https://appshunter.io/developer/973393830) | [SAFWAN KHAN](https://appshunter.io/developer/1555993272) |

## What reviewers say

### ATSolar

[App page](https://appshunter.io/ios/app/atsolar/id1080077994)

Monitor power plant performance in real-time. Track key parameters and gain insights into your energy generation. Ideal for businesses and individuals managing solar energy systems.

**Highlights:** Real-time parameter monitoring, Power plant performance tracking, Energy generation insights, Business and individual use, Solar energy system management

**Features:** macOS Compatibility

**In-app purchases:** none


### Turn Technician

[App page](https://appshunter.io/ios/app/turn-technician/id1633173306)

**In-app purchases:** none


## Frequently asked questions

### Is ATSolar free?

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

### Is Turn Technician free?

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

### Do ATSolar or Turn Technician have ads?

ATSolar shows ads; Turn Technician does not.

### Which is updated more often, ATSolar or Turn Technician?

ATSolar ships an update every 9 days, and Turn Technician monthly. Most recently, ATSolar was updated on October 24, 2026 and Turn Technician on September 17, 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.*