# 台語語音轉文字 vs ScanOnce

The clearest difference is ads: ScanOnce at none against 台語語音轉文字's shown. ScanOnce also leads on update cadence (every 5 days vs every 2 weeks). 台語語音轉文字's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 台語語音轉文字 sells 2 in-app purchases, starting at $2.99 per month and ScanOnce sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

台語語音轉文字 ships an update every 2 weeks, ScanOnce every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 台語語音轉文字 | ScanOnce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scanonce-pdf-doc-scanner/id6780030918/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Taigi AI Labs, LLC](https://appshunter.io/developer/1849424144) | [Andrii Zakharov](https://appshunter.io/developer/6779217338) |

## What reviewers say

### 台語語音轉文字

[App page](https://appshunter.io/ios/app/stt/id6755009558)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除廣告 & 無限制使用（月訂閱） | $2.99 | per month |
| 移除廣告 & 無限制使用（永久） | $59.99 | one-time |


### ScanOnce

[App page](https://appshunter.io/ios/app/scanonce-pdf-doc-scanner/id6780030918)

This app scans documents directly on your device without using the cloud or requiring an account. It offers automatic edge detection, page straightening, and text recognition for easy searching. Export scans as PDFs or JPEGs, and secure your documents with Face ID.

**Highlights:** Automatic edge detection and page straightening, On-device text recognition for search, Export as PDF or JPEG, Multi-page document capture, Document organization with folders, Face ID security

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScanOnce Pro Monthly | $3.99 | per month |
| ScanOnce Pro Yearly | $19.99 | per year |
| ScanOnce Pro | $49.99 | one-time |


## Frequently asked questions

### Is 台語語音轉文字 free?

台語語音轉文字 is free to download, with in-app purchases available.

### Is ScanOnce free?

ScanOnce is free to download, with in-app purchases available.

### Do 台語語音轉文字 or ScanOnce have ads?

台語語音轉文字 shows ads; ScanOnce does not.

### Which is updated more often, 台語語音轉文字 or ScanOnce?

台語語音轉文字 ships an update every 2 weeks, and ScanOnce every 5 days. Most recently, 台語語音轉文字 was updated on October 23, 2026 and ScanOnce on October 24, 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.*