# NativeScript Preview vs Hermi

The clearest difference is in-app purchases: NativeScript Preview at none against Hermi's 2. NativeScript Preview also leads on update cadence (every 3 weeks vs every 4 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Hermi sells 2 in-app purchases, starting at $1.99 per 7 days. NativeScript Preview asks for nothing beyond the download.

NativeScript Preview ships an update every 3 weeks, Hermi every 4 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | NativeScript Preview | Hermi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/nativescript-preview/id1264484702/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 19.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 151 MB | 74 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nStudio LLC](https://appshunter.io/developer/1334290003) | [Shreyas Taware](https://appshunter.io/developer/1881531559) |

## 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


### Hermi

[App page](https://appshunter.io/ios/app/hermi-thinking-journal/id6759902909)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Yearly Access | $29.99 | per year |


## Frequently asked questions

### Is NativeScript Preview free?

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

### Is Hermi free?

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

### Do NativeScript Preview or Hermi have ads?

Neither NativeScript Preview nor Hermi shows ads.

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

NativeScript Preview ships an update every 3 weeks, and Hermi every 4 months. Most recently, NativeScript Preview was updated on October 14, 2026 and Hermi on October 6, 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.*