# VHT Smart vs Scale for grams

The clearest difference is in-app purchases: VHT Smart at none against Scale for grams's 2. VHT Smart also leads on iOS requirement (9.0 vs 18.0). Scale for grams's advantage is update cadence (every 2 months vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Scale for grams sells 2 in-app purchases, starting at $3.99 per 7 days. VHT Smart asks for nothing beyond the download.

VHT Smart ships an update every 5 months, Scale for grams every 2 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | VHT Smart | Scale for grams |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vht-smart/id1451043372/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 119 MB | 22 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Minh Phuc Nguyen](https://appshunter.io/developer/1442056130) | [MOBILECRAFT LLC](https://appshunter.io/developer/1815334034) |

## What reviewers say

### VHT Smart

[App page](https://appshunter.io/ios/app/vht-smart/id1451043372)

Control smart home devices like lights, outlets, TVs, and locks via Wi-Fi. This fully Vietnamese application offers an easy and convenient way to manage your smart home.

**Highlights:** Control smart lights, Manage smart outlets, Operate smart TVs, Control smart air conditioners, Manage smart door locks, Wi-Fi connectivity, Vietnamese language interface

**In-app purchases:** none


### Scale for grams

[App page](https://appshunter.io/ios/app/scale-for-grams-massly/id6778995115)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is VHT Smart free?

VHT Smart is free to download, with no in-app purchases.

### Is Scale for grams free?

Scale for grams is free to download, with in-app purchases available.

### Do VHT Smart or Scale for grams have ads?

Neither VHT Smart nor Scale for grams shows ads.

### Which is updated more often, VHT Smart or Scale for grams?

VHT Smart ships an update every 5 months, and Scale for grams every 2 months. Most recently, VHT Smart was updated on October 24, 2026 and Scale for grams on October 29, 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.*