# AutoSolar vs Solarpeak

The clearest difference is update cadence: AutoSolar at every 15 months against Solarpeak's every 41 months. AutoSolar also leads on iOS requirement (9.0 vs 12.0). 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.

AutoSolar ships an update every 15 months, Solarpeak every 41 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | AutoSolar | Solarpeak |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 41 months |
| Size | 14 MB | 43 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云峰 徐](https://appshunter.io/developer/1560307393) | [E&Jtechnology](https://appshunter.io/developer/1274910981) |

## What reviewers say

### AutoSolar

[App page](https://appshunter.io/ios/app/autosolar-lithium/id1487592822)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solarpeak

[App page](https://appshunter.io/ios/app/solarpeak/id1639970383)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AutoSolar free?

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

### Is Solarpeak free?

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

### Do AutoSolar or Solarpeak have ads?

Neither AutoSolar nor Solarpeak shows ads.

### Which is updated more often, AutoSolar or Solarpeak?

AutoSolar ships an update every 15 months, and Solarpeak every 41 months. Most recently, AutoSolar was updated on October 29, 2026 and Solarpeak on November 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.*