# Austa vs AonenCharge

The clearest difference is update cadence: Austa at every 3 weeks against AonenCharge's every 4 months. Austa also leads on iOS requirement (13.0 vs 15.2). 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.

Austa ships an update every 3 weeks, AonenCharge every 4 months. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Austa | AonenCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/austa/id1673126471/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 57 MB | 12 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Northern Electric & Power Inc](https://appshunter.io/developer/1202736933) | [HangZhouHaochong Technology Co.,Ltd.](https://appshunter.io/developer/1273698254) |

## What reviewers say

### Austa

[App page](https://appshunter.io/ios/app/austa/id1673126471)

Monitor your micro inverter solar power system's performance. Track energy production, view historical data, and receive alerts for any issues. Optimize your solar energy usage with this utility app.

**Highlights:** Monitor micro inverter solar systems, Track energy production, View historical data, Receive alerts for issues, Optimize solar energy usage

**Features:** macOS Compatibility

**In-app purchases:** none


### AonenCharge

[App page](https://appshunter.io/ios/app/aonencharge/id6739524970)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Austa free?

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

### Is AonenCharge free?

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

### Do Austa or AonenCharge have ads?

Neither Austa nor AonenCharge shows ads.

### Which is updated more often, Austa or AonenCharge?

Austa ships an update every 3 weeks, and AonenCharge every 4 months. Most recently, Austa was updated on September 26, 2026 and AonenCharge on October 1, 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.*