# Klacci Smartlink vs BookFast

The clearest difference is iOS requirement: BookFast at 13.0 against Klacci Smartlink'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.

Klacci Smartlink ships an update every 2 months, BookFast every 6 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Klacci Smartlink | BookFast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 104 MB | 11 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [I-TEK METAL MANUFACTURING CO., LTD.](https://appshunter.io/developer/1253734680) | [NewPOS TECHNOLOGY CORPORATION](https://appshunter.io/developer/1078540734) |

## What reviewers say

### Klacci Smartlink

[App page](https://appshunter.io/ios/app/klacci-smartlink/id1266523456)

**Features:** macOS Compatibility

**In-app purchases:** none


### BookFast

[App page](https://appshunter.io/ios/app/bookfast-pr/id1485347621)

Easily manage private class bookings, cancellations, and changes. It integrates personal and group class schedules into a clear calendar, tracks student attendance, and records training progress for easy access.

**Highlights:** Easy booking, cancellation, and changes, Group private class formation, Integrated personal and group class calendar, Monthly class overview for performance tracking, Digital attendance list, Student training progress recording

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Klacci Smartlink free?

Klacci Smartlink is free to download, with no in-app purchases.

### Is BookFast free?

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

### Do Klacci Smartlink or BookFast have ads?

Neither Klacci Smartlink nor BookFast shows ads.

### Which is updated more often, Klacci Smartlink or BookFast?

Klacci Smartlink ships an update every 2 months, and BookFast every 6 weeks. Most recently, Klacci Smartlink was updated on October 6, 2026 and BookFast on September 30, 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.*