# zupper vs SolarAlign Pro

The clearest difference is in-app purchases: zupper at none against SolarAlign Pro's 2. SolarAlign Pro's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SolarAlign Pro sells 2 in-app purchases, starting at $4.99 per month. zupper asks for nothing beyond the download.

zupper ships an update every 2 months, SolarAlign Pro monthly. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | zupper | SolarAlign Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 32 MB | 29 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Taizhou Juli Tools Co., Ltd.](https://appshunter.io/developer/1440783443) | [Edry Garcia](https://appshunter.io/developer/1843024177) |

## What reviewers say

### zupper

[App page](https://appshunter.io/ios/app/zupper/id1440783444)

**Features:** macOS Compatibility

**In-app purchases:** none


### SolarAlign Pro

[App page](https://appshunter.io/ios/app/solaralign-pro-sun-and-tilt/id6761153513)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is zupper free?

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

### Is SolarAlign Pro free?

SolarAlign Pro is free to download, with in-app purchases available.

### Do zupper or SolarAlign Pro have ads?

Neither zupper nor SolarAlign Pro shows ads.

### Which is updated more often, zupper or SolarAlign Pro?

zupper ships an update every 2 months, and SolarAlign Pro monthly. Most recently, zupper was updated on October 26, 2026 and SolarAlign Pro on October 5, 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.*