# SANlight vs BackWalls(Pro)

The clearest difference is price: SANlight at Free against BackWalls(Pro)'s $2.99. BackWalls(Pro)'s advantage is update cadence (daily vs every 6 months) and iOS requirement (11.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

SANlight is free to download; BackWalls(Pro) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SANlight ships an update every 6 months, BackWalls(Pro) daily. Both last shipped on October 9, 2026.

## The numbers

| Metric | SANlight | BackWalls(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Size | 32 MB | 34 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Anker](https://appshunter.io/developer/1658513710) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## What reviewers say

### SANlight

[App page](https://appshunter.io/ios/app/sanlight/id1658513708)

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

**In-app purchases:** none


### BackWalls(Pro)

[App page](https://appshunter.io/ios/app/backwallspro/id1672780995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SANlight free?

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

### Is BackWalls(Pro) free?

BackWalls(Pro) costs $2.99, with no in-app purchases.

### Do SANlight or BackWalls(Pro) have ads?

Neither SANlight nor BackWalls(Pro) shows ads.

### Which is updated more often, SANlight or BackWalls(Pro)?

SANlight ships an update every 6 months, and BackWalls(Pro) daily. Most recently, SANlight was updated on October 9, 2026 and BackWalls(Pro) on October 9, 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.*