# EcoFast vs eOffice PhuLong

The clearest difference is update cadence: eOffice PhuLong at fortnightly against EcoFast's monthly. EcoFast's advantage is iOS requirement (12.0 vs 15.1). 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.

EcoFast ships an update monthly, eOffice PhuLong fortnightly. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | EcoFast | eOffice PhuLong |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 65 MB | 34 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RED & BLUE TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1748357089) | [FANXIPAN VIET NAM TECHNOLOGY SOLUTIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1455225937) |

## What reviewers say

### EcoFast

[App page](https://appshunter.io/ios/app/ecofast/id6503202874)

**Features:** macOS Compatibility

**In-app purchases:** none


### eOffice PhuLong

[App page](https://appshunter.io/ios/app/eoffice-phulong/id6544784340)

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

**In-app purchases:** none


## Frequently asked questions

### Is EcoFast free?

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

### Is eOffice PhuLong free?

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

### Do EcoFast or eOffice PhuLong have ads?

Neither EcoFast nor eOffice PhuLong shows ads.

### Which is updated more often, EcoFast or eOffice PhuLong?

EcoFast ships an update monthly, and eOffice PhuLong fortnightly. Most recently, EcoFast was updated on September 20, 2026 and eOffice PhuLong on September 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*