# Easy Input Calculator F vs VHT Smart

The clearest difference is ads: VHT Smart at none against Easy Input Calculator F's shown. VHT Smart also leads on monetization model (free vs ad-supported) and iOS requirement (9.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Easy Input Calculator F ships an update every 3 months, VHT Smart every 5 months. The most recent releases landed on November 2, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Easy Input Calculator F | VHT Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vht-smart/id1451043372/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Ad-supported | **Free** |
| Size | 24 MB | 119 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yuta Kobayashi](https://appshunter.io/developer/1169055350) | [Minh Phuc Nguyen](https://appshunter.io/developer/1442056130) |

## What reviewers say

### Easy Input Calculator F

[App page](https://appshunter.io/ios/app/easy-input-calculator-f/id1218661183)

This calculator app features large, easy-to-press buttons and clear text for stress-free use by all ages. It includes special buttons for "Billion," "Million," and "Thousand" to quickly enter large numbers with a single tap.

**Highlights:** Large, easy-to-press buttons, Large text for visibility, Billion, Million, Thousand buttons, Basic calculations, Copy result to clipboard, Supports over 60 languages

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Easy Input Calculator F free?

Easy Input Calculator F is free to download, with no in-app purchases.

### Is VHT Smart free?

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

### Do Easy Input Calculator F or VHT Smart have ads?

Easy Input Calculator F shows ads; VHT Smart does not.

### Which is updated more often, Easy Input Calculator F or VHT Smart?

Easy Input Calculator F ships an update every 3 months, and VHT Smart every 5 months. Most recently, Easy Input Calculator F was updated on November 2, 2026 and VHT Smart on October 24, 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.*