# Let's Sync vs PDF File  Convert

The clearest difference is update cadence: PDF File  Convert at every 3 days against Let's Sync's monthly. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Let's Sync sells 10 one-off in-app purchases and PDF File  Convert sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Let's Sync ships an update monthly, PDF File  Convert every 3 days. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Let's Sync | PDF File  Convert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (5 ratings)](https://appshunter.io/ios/app/pdf-file-convert/id1666147516/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 92 MB | 18 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Terra Virgo Corporation](https://appshunter.io/developer/906339963) | [同宝 金](https://appshunter.io/developer/1513125037) |

## What reviewers say

### Let's Sync

[App page](https://appshunter.io/ios/app/lets-sync/id1350450913)

Synchronize audio across multiple smartphones for shared listening experiences. Create events for silent dances, interactive stories, group workouts, and more. It's a versatile platform for personal and business use, supporting thousands of concurrent participants.

**Highlights:** Synchronizes audio across multiple smartphones, Creates shared listening events, Supports silent dances and interactive stories, Enables group workouts and worldwide events, Platform for unique business ventures, Supports up to 7,000 concurrent participants

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 5 credits to wallet | $4.99 | one-time |
| Add 21 credits to wallet | $20.99 | one-time |
| Add 22 credits to wallet | $21.99 | one-time |
| Add 23 credits to wallet | $22.99 | one-time |
| Add 24 credits to wallet | $23.99 | one-time |
| Add 25 credits to wallet | $24.99 | one-time |
| Add 26 credits to wallet | $25.99 | one-time |
| Add 27 credits to wallet | $26.99 | one-time |
| Add 28 credits to wallet | $27.99 | one-time |
| Add 29 credits to wallet | $28.99 | one-time |


### 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 |


## Frequently asked questions

### Is Let's Sync free?

Let's Sync is free to download, with in-app purchases available.

### Is PDF File  Convert free?

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

### Do Let's Sync or PDF File  Convert have ads?

Neither Let's Sync nor PDF File  Convert shows ads.

### Which is updated more often, Let's Sync or PDF File  Convert?

Let's Sync ships an update monthly, and PDF File  Convert every 3 days. Most recently, Let's Sync was updated on June 1, 2026 and PDF File  Convert on September 19, 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.*