NativeScript Preview vs SmartBlock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NativeScript Preview
Instantly preview your NativeScript projects directly on your mobile device. See your native UI elements, from buttons to complex 2D/3D canvas renderings, come to life as you develop.
- Live preview on device
- Native UI element rendering
- 2D canvas rendering
- 3D canvas rendering
- Cross-platform development tool
Read full descriptionHide full description
Preview NativeScript projects on your device – from basic native user interface elements like buttons, switches and sliders, to 2d/3d canvas renderings.
SmartBlock
Read full descriptionHide full description
SmartBlock gives you full control over unwanted calls and messages. Protect yourself from spam, robocalls, and scam attempts with a simple and reliable solution. FEATURES • Call Blocking Block unwanted numbers and stop spam calls automatically. Works silently in the background even when the app is closed. • Caller ID Identify unknown callers in real time. Blocked numbers are labeled directly in your Phone app. • SMS Filtering Filter spam messages automatically. Messages from unknown senders matching your block list or keywords are moved to the Filtered folder in Messages. • Personal Block List Add, manage, and remove blocked numbers easily. Your list syncs instantly with the system. • Keyword Filtering Add keywords to block messages containing specific words — your list, your rules. • Community Reporting Report spam numbers with one tap. 10 unique community reports automatically confirms a number as spam. • Analytics Dashboard See how many calls and messages SmartBlock has blocked for you. • Fast & Lightweight No unnecessary complexity. Just protection that works. WHY SMARTBLOCK • Works at the OS level — blocks calls and filters SMS even when the app is closed • Easy to set up with a 4-step onboarding • Turkish and English support • Free to download — all features included, no subscriptions From Teyfik Öz
Screenshots
Verdict
The clearest difference is ads: NativeScript Preview at none against SmartBlock's shown. NativeScript Preview also leads on update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.
NativeScript Preview ships an update every 3 weeks, SmartBlock every 2 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | NativeScript Preview | SmartBlock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) — better | — |
| Positive reviews | 19.4% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 151 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | nStudio LLC | Teyfik OZ |
In-app purchases
NativeScript Preview
No in-app purchases
SmartBlock
No in-app purchases
Questions
Is NativeScript Preview free?
Is SmartBlock free?
Do NativeScript Preview or SmartBlock have ads?
Which is updated more often, NativeScript Preview or SmartBlock?
Other comparisons
