# GoBook ZA vs Smart HT

The clearest difference is iOS requirement: Smart HT at 11.0 against GoBook ZA's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

GoBook ZA ships an update every 19 months, Smart HT every 23 months. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GoBook ZA | Smart HT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smart-ht/id1515898973/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 19 months** | Every 23 months |
| Monetization | — | Free |
| Size | 166 MB | 171 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Nicol](https://appshunter.io/developer/1212792776) | [毅平 柯](https://appshunter.io/developer/1512575331) |

## What reviewers say

### GoBook ZA

[App page](https://appshunter.io/ios/app/gobook-za/id1212792777)

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart HT

[App page](https://appshunter.io/ios/app/smart-ht/id1515898973)

Control your home appliances remotely from anywhere. Manage multiple devices simultaneously, set timers for automated functions, and easily share access with family members. The app offers a simple and quick connection process to your smart devices.

**Highlights:** Remote appliance control, Simultaneous device management, Customizable timers, Family device sharing, Easy device connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GoBook ZA free?

GoBook ZA is free to download, with no in-app purchases.

### Is Smart HT free?

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

### Do GoBook ZA or Smart HT have ads?

Neither GoBook ZA nor Smart HT shows ads.

### Which is updated more often, GoBook ZA or Smart HT?

GoBook ZA ships an update every 19 months, and Smart HT every 23 months. Most recently, GoBook ZA was updated on October 26, 2026 and Smart HT on October 13, 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.*