# Rongbay.com vs FPT eInvoice

The clearest difference is update cadence: FPT eInvoice at every 3 weeks against Rongbay.com's every 14 months. Rongbay.com's advantage is iOS requirement (9.0 vs 12.0). 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.

Rongbay.com ships an update every 14 months, FPT eInvoice every 3 weeks. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rongbay.com | FPT eInvoice |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 42 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VCCORP Joint Stock Company](https://appshunter.io/developer/471855348) | [FPT IS Company Limited](https://appshunter.io/developer/1437861502) |

## What reviewers say

### Rongbay.com

[App page](https://appshunter.io/ios/app/rongbaycom/id1195525080)

This app allows users to browse and post free classified ads nationwide. It facilitates easy searching of listings, convenient tracking of online ad activities, and quick interaction with interested customers. Users can also manage their transaction information for gold and VIP ads.

**Highlights:** Browse and filter classified ads, Save and review listings, Chat with ad owners, Increase ad views, Manage gold and VIP ad transactions

**In-app purchases:** none


### FPT eInvoice

[App page](https://appshunter.io/ios/app/fpt-einvoice/id1631267280)

**In-app purchases:** none


## Frequently asked questions

### Is Rongbay.com free?

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

### Is FPT eInvoice free?

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

### Do Rongbay.com or FPT eInvoice have ads?

Neither Rongbay.com nor FPT eInvoice shows ads.

### Which is updated more often, Rongbay.com or FPT eInvoice?

Rongbay.com ships an update every 14 months, and FPT eInvoice every 3 weeks. Most recently, Rongbay.com was updated on October 22, 2026 and FPT eInvoice on October 16, 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.*