# Sổ Tay Cân Lúa vs Loopin

The clearest difference is in-app purchases: Sổ Tay Cân Lúa at none against Loopin's 3. Sổ Tay Cân Lúa also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.1). Loopin's advantage is update cadence (every 3 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Loopin sells 3 in-app purchases, starting at $1.29 per month. Sổ Tay Cân Lúa asks for nothing beyond the download.

Sổ Tay Cân Lúa ships an update every 2 months, Loopin every 3 days. The most recent releases landed on September 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sổ Tay Cân Lúa | Loopin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 28 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cao Thanh Dang](https://appshunter.io/developer/1853041622) | [ATHENE GROUP LTD](https://appshunter.io/developer/1706489025) |

## What reviewers say

### Sổ Tay Cân Lúa

[App page](https://appshunter.io/ios/app/so-tay-can-lua/id6755307470)

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

**In-app purchases:** none


### Loopin

[App page](https://appshunter.io/ios/app/loopin-habit-management/id6769736490)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month VIP package | $1.29 | per month |
| 3-month VIP package | $2.99 | per 3 months |
| 6-month VIP package | $4.99 | per 6 months |


## Frequently asked questions

### Is Sổ Tay Cân Lúa free?

Sổ Tay Cân Lúa is free to download, with no in-app purchases.

### Is Loopin free?

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

### Do Sổ Tay Cân Lúa or Loopin have ads?

Loopin shows ads; Sổ Tay Cân Lúa does not.

### Which is updated more often, Sổ Tay Cân Lúa or Loopin?

Sổ Tay Cân Lúa ships an update every 2 months, and Loopin every 3 days. Most recently, Sổ Tay Cân Lúa was updated on September 13, 2026 and Loopin on October 17, 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.*