# SYZTAN GPS Solutions vs Screen Light App

The clearest difference is in-app purchases: SYZTAN GPS Solutions at none against Screen Light App's 3. SYZTAN GPS Solutions also leads on iOS requirement (15.0 vs 18.0). Screen Light App's advantage is update cadence (every 4 months vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. Screen Light App sells 3 one-off in-app purchases. SYZTAN GPS Solutions asks for nothing beyond the download.

SYZTAN GPS Solutions ships an update every 13 months, Screen Light App every 4 months. The most recent releases landed on October 5, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SYZTAN GPS Solutions | Screen Light App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (31 ratings)](https://appshunter.io/ios/app/screen-light-app/id6756564713/reviews)** |
| Number of ratings | — | **31** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Syztan Servicios Informaticos Limitada](https://appshunter.io/developer/1578074458) | [Rikuto Kumada](https://appshunter.io/developer/1791309889) |

## What reviewers say

### SYZTAN GPS Solutions

[App page](https://appshunter.io/ios/app/syztan-gps-solutions/id1578074456)

**Features:** macOS Compatibility

**In-app purchases:** none


### Screen Light App

[App page](https://appshunter.io/ios/app/screen-light-app/id6756564713)

This utility app transforms your device's screen into a customizable light source. Adjust brightness and color to create the perfect ambiance for any situation. It offers a simple, ad-free experience.

**Highlights:** Customizable screen light, Adjustable brightness, Single color display, Ad-free experience, Intuitive controls

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Cake set | $2.99 | one-time |
| Dinner | $5.99 | one-time |


## Frequently asked questions

### Is SYZTAN GPS Solutions free?

SYZTAN GPS Solutions is free to download, with no in-app purchases.

### Is Screen Light App free?

Screen Light App is free to download, with in-app purchases available.

### Do SYZTAN GPS Solutions or Screen Light App have ads?

Neither SYZTAN GPS Solutions nor Screen Light App shows ads.

### Which is updated more often, SYZTAN GPS Solutions or Screen Light App?

SYZTAN GPS Solutions ships an update every 13 months, and Screen Light App every 4 months. Most recently, SYZTAN GPS Solutions was updated on October 5, 2026 and Screen Light App on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*