# NativeScript Preview vs NumBan

The clearest difference is in-app purchases: NativeScript Preview at none against NumBan's 2. NativeScript Preview also leads on ratings volume (5 vs 1) and device support (4 vs 1). NumBan's advantage is update cadence (every 4 days vs every 3 weeks) and rating (5.0 vs 4.8). On price and ads there is nothing between them.

Both are free to download. NumBan sells 2 in-app purchases, starting at $0.99 per month. NativeScript Preview asks for nothing beyond the download.

NumBan holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: NativeScript Preview has 5 ratings behind it against 1, so its average is the more settled of the two.

NativeScript Preview ships an update every 3 weeks, NumBan every 4 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NativeScript Preview | NumBan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/nativescript-preview/id1264484702/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numban/id6778984039/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 19.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 151 MB | 23 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [nStudio LLC](https://appshunter.io/developer/1334290003) | [Ammon Brown](https://appshunter.io/developer/1771688036) |

## What reviewers say

### NativeScript Preview

[App page](https://appshunter.io/ios/app/nativescript-preview/id1264484702)

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.

**Highlights:** Live preview on device, Native UI element rendering, 2D canvas rendering, 3D canvas rendering, Cross-platform development tool

**In-app purchases:** none


### NumBan

[App page](https://appshunter.io/ios/app/numban/id6778984039)

This app helps you combat scam callers by reporting suspicious callback numbers. It extracts numbers from voicemails, generates reports, and tracks successful disconnections. Compete on a leaderboard for confirmed 'kills' and help take down scam operations.

**Highlights:** Extracts callback numbers from voicemails, Generates verified abuse reports, Routes reports through a NumBan alias, Tracks reported numbers for disconnection, Public leaderboard for confirmed kills, Provides links to FTC and FCC complaint sites

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $0.99 | per month |
| English | $9.99 | per year |


## Frequently asked questions

### Is NativeScript Preview free?

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

### Is NumBan free?

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

### Which has better reviews, NativeScript Preview or NumBan?

NumBan is rated higher. NativeScript Preview averages 4.8 out of 5 from 5 ratings, while NumBan averages 5.0 from 1 ratings.

### Do NativeScript Preview or NumBan have ads?

Neither NativeScript Preview nor NumBan shows ads.

### Which is updated more often, NativeScript Preview or NumBan?

NativeScript Preview ships an update every 3 weeks, and NumBan every 4 days. Most recently, NativeScript Preview was updated on October 14, 2026 and NumBan on October 11, 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.*