# Fast e vs Tích Chỉ

The clearest difference is ads: Fast e at none against Tích Chỉ's shown. Fast e also leads on iOS requirement (10.0 vs 16.0). Tích Chỉ's advantage is update cadence (every 10 days vs monthly). On price, 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.

Fast e ships an update monthly, Tích Chỉ every 10 days. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Fast e | Tích Chỉ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free | — |
| Size | 132 MB | 19 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fast Software Joint Stock Company](https://appshunter.io/developer/1484779984) | [Phuoc Nguyen](https://appshunter.io/developer/1692504109) |

## What reviewers say

### Fast e

[App page](https://appshunter.io/ios/app/fast-e-invoice/id1484779985)

This application allows businesses to create and manage electronic invoices. It integrates with other accounting and financial management software to streamline invoice generation and submission. Designed for companies with high invoice volumes and in-house IT teams.

**Highlights:** Electronic invoice creation, Integration with accounting software, Cloud server infrastructure, Self-managed infrastructure, Suitable for high invoice volumes

**Features:** macOS Compatibility

**In-app purchases:** none


### Tích Chỉ

[App page](https://appshunter.io/ios/app/tich-chi/id6765644653)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast e free?

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

### Is Tích Chỉ free?

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

### Do Fast e or Tích Chỉ have ads?

Tích Chỉ shows ads; Fast e does not.

### Which is updated more often, Fast e or Tích Chỉ?

Fast e ships an update monthly, and Tích Chỉ every 10 days. Most recently, Fast e was updated on September 27, 2026 and Tích Chỉ on October 4, 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.*