# PDF File  Convert vs PULAO ECHO

PDF File  Convert and PULAO ECHO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. PDF File  Convert sells 2 in-app purchases, starting at $0.99 per month and PULAO ECHO sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PDF File  Convert ships an update every 3 days, PULAO ECHO every 4 days. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PDF File  Convert | PULAO ECHO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/pdf-file-convert/id1666147516/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Freemium | — |
| Size | 18 MB | 146 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [同宝 金](https://appshunter.io/developer/1513125037) | [PULAO ECHO TECHNOLOGY (HONG KONG) CO., LIMITED](https://appshunter.io/developer/1870799553) |

## What reviewers say

### PDF File  Convert

[App page](https://appshunter.io/ios/app/pdf-file-convert/id1666147516)

Easily convert various document and image formats into PDF files. Supports a wide range of file types including text, spreadsheets, presentations, graphics, and ebooks. Offers unlimited conversions and large file support for subscribers.

**Highlights:** Convert to PDF, Supports multiple file formats, Unlimited conversions (subscription), Large file conversion (subscription), Wide range of supported file types

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Convert - (1 month) | $0.99 | per month |
| PDF Convert - (1 week) | $0.99 | per 7 days |


### PULAO ECHO

[App page](https://appshunter.io/ios/app/pulao-echo/id6758084401)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 120 Minutes Transcription Add-on | $2.00 | one-time |
| 600 Minutes Transcription Add-on | $4.00 | one-time |
| 1200 Minutes Transcription Add-on | $6.00 | one-time |
| 10M AI Token | $6.90 | one-time |
| Monthly Plan | $6.99 | one-time |
| Annual Plan | $69.99 | one-time |


## Frequently asked questions

### Is PDF File  Convert free?

PDF File  Convert is free to download, with in-app purchases available.

### Is PULAO ECHO free?

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

### Do PDF File  Convert or PULAO ECHO have ads?

Neither PDF File  Convert nor PULAO ECHO shows ads.

### Which is updated more often, PDF File  Convert or PULAO ECHO?

PDF File  Convert ships an update every 3 days, and PULAO ECHO every 4 days. Most recently, PDF File  Convert was updated on October 7, 2026 and PULAO ECHO on October 1, 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.*