# IMGToPdf vs Flip Clock

The clearest difference is in-app purchases: IMGToPdf at none against Flip Clock's 1. IMGToPdf also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Flip Clock's advantage is update cadence (daily vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Flip Clock sells 1 one-off in-app purchase. IMGToPdf asks for nothing beyond the download.

IMGToPdf ships an update every 9 months, Flip Clock daily. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | IMGToPdf | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Daily** |
| Size | 13 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hung Phuoc Tran](https://appshunter.io/developer/1003648744) | [SeungHyun Hong](https://appshunter.io/developer/1633579150) |

## What reviewers say

### IMGToPdf

[App page](https://appshunter.io/ios/app/imgtopdf-scan-document/id1458851030)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-desk-clock/id1633579148)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flip Clock Pro | $3.99 | one-time |


## Frequently asked questions

### Is IMGToPdf free?

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

### Is Flip Clock free?

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

### Do IMGToPdf or Flip Clock have ads?

Flip Clock shows ads; IMGToPdf does not.

### Which is updated more often, IMGToPdf or Flip Clock?

IMGToPdf ships an update every 9 months, and Flip Clock daily. Most recently, IMGToPdf was updated on November 6, 2026 and Flip Clock on November 7, 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.*