Touch vs Screen Light App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Touch
Control your astrophotography sessions remotely from your mobile device or Mac. Manage imaging, focus, guiding, and polar alignment. This open-source tool enhances your workflow without ads or in-app purchases.
- Remote imaging session launch
- Focus control
- Guiding performance monitoring
- Three Point Polar Alignment
- Connected device control
- Open source
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Touch-N-Stars brings the core features of the popular astrophotography software N.I.N.A. right to your phone, tablet, or Apple Silicon Mac. Start imaging sessions, adjust focus, monitor guiding, or perform a Three Point Polar Alignment – all from the palm of your hand. Key Features: - Launch imaging sessions and control focus remotely - Monitor guiding performance in real time - Perform Three Point Polar Alignment (requires N.I.N.A. v2.2.2.0+) - Control all connected devices such as the dome or flat panel - 100% open source. No ads. No in-app purchases. Requirements: - A running N.I.N.A. instance on your imaging PC - Advanced API Plugin enabled (Port 1888, API v2) - Touch'N'Stars Plugin Touch-N-Stars is a companion tool – not a full replacement for the desktop experience. Enhance your astrophotography workflow and stay flexible – wherever you are.
Screen Light App
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ScreenLight is a simple app that lets you use your iPhone screen as a light. It displays a single color across the entire screen, with intuitive controls for brightness and color. There are no ads, and the app is completely free to use.
Screenshots
Verdict
The clearest difference is in-app purchases: Touch at none against Screen Light App's 3. Touch also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Screen Light App sells 3 one-off in-app purchases. Touch asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.
| Parameter | Touch | Screen Light App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 41 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Johannes Maier | Rikuto Kumada |
In-app purchases
Touch
No in-app purchases
Screen Light App
- Buy me a coffee$0.99
- Cake set$2.99
- Dinner$5.99
Questions
Is Touch free?
Is Screen Light App free?
Do Touch or Screen Light App have ads?
Which is updated more often, Touch or Screen Light App?
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