# FastSIGN 快速簽 vs iFPG

The clearest difference is iOS requirement: FastSIGN 快速簽 at 11.0 against iFPG's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

FastSIGN 快速簽 ships an update every 5 weeks, iFPG every 6 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | FastSIGN 快速簽 | iFPG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/fastsign/id1544054943/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 17 MB | 83 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changing Information Technology Inc.](https://appshunter.io/developer/329855504) | [Formosa Technologies Corporation](https://appshunter.io/developer/999201302) |

## What reviewers say

### FastSIGN 快速簽

[App page](https://appshunter.io/ios/app/fastsign/id1544054943)

Easily sign and share documents on the go for mobile work. Upload PDFs, send signature requests via LINE or Email, and track approval progress. Ideal for quotes, contracts, and surveys.

**Highlights:** QR code scanning for signatures, Pending signature list, Create and share documents from phone, Real-time approval progress tracking, Multi-signer questionnaire mode

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

**In-app purchases:** none


### iFPG

[App page](https://appshunter.io/ios/app/ifpg/id6472881343)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastSIGN 快速簽 free?

FastSIGN 快速簽 is free to download, with no in-app purchases.

### Is iFPG free?

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

### Do FastSIGN 快速簽 or iFPG have ads?

Neither FastSIGN 快速簽 nor iFPG shows ads.

### Which is updated more often, FastSIGN 快速簽 or iFPG?

FastSIGN 快速簽 ships an update every 5 weeks, and iFPG every 6 weeks. Most recently, FastSIGN 快速簽 was updated on October 6, 2026 and iFPG on September 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.*