# FastSIGN 快速簽 vs TAXI

The clearest difference is update cadence: TAXI at every 3 days against FastSIGN 快速簽's every 5 weeks. 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.

FastSIGN 快速簽 ships an update every 5 weeks, TAXI every 3 days. The most recent releases landed on September 19, 2026 and December 22, 2025 respectively.

## The numbers

| Metric | FastSIGN 快速簽 | TAXI |
| --- | --- | --- |
| 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 3 days** |
| Monetization | Free | — |
| Size | 17 MB | 76 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Changing Information Technology Inc.](https://appshunter.io/developer/329855504) | [Ci Shun Huang](https://appshunter.io/developer/1807550065) |

## 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


### TAXI

[App page](https://appshunter.io/ios/app/taxi/id1673383710)

**Features:** macOS Compatibility

**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 TAXI free?

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

### Do FastSIGN 快速簽 or TAXI have ads?

Neither FastSIGN 快速簽 nor TAXI shows ads.

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

FastSIGN 快速簽 ships an update every 5 weeks, and TAXI every 3 days. Most recently, FastSIGN 快速簽 was updated on September 19, 2026 and TAXI on December 22, 2025.

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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.*