# 2Contract vs Chữ ký số Hilo

The clearest difference is update cadence: Chữ ký số Hilo at every 5 days against 2Contract's monthly. On price, ads, 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.

2Contract ships an update monthly, Chữ ký số Hilo every 5 days. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 2Contract | Chữ ký số Hilo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 97 MB | 90 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [2ID JOINT STOCK COMPANY](https://appshunter.io/developer/1783290338) | [Giang Hoang](https://appshunter.io/developer/1548256595) |

## What reviewers say

### 2Contract

[App page](https://appshunter.io/ios/app/2contract/id6738983259)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chữ ký số Hilo

[App page](https://appshunter.io/ios/app/chu-ky-so-hilo/id6754372196)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 2Contract free?

2Contract is free to download, with no in-app purchases.

### Is Chữ ký số Hilo free?

Chữ ký số Hilo is free to download, with no in-app purchases.

### Do 2Contract or Chữ ký số Hilo have ads?

Neither 2Contract nor Chữ ký số Hilo shows ads.

### Which is updated more often, 2Contract or Chữ ký số Hilo?

2Contract ships an update monthly, and Chữ ký số Hilo every 5 days. Most recently, 2Contract was updated on October 9, 2026 and Chữ ký số Hilo on October 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.*