# PDF read aloud vs Flip Clock

The clearest difference is price: PDF read aloud at Free against Flip Clock's $1.99. PDF read aloud also leads on iOS requirement (15.0 vs 18.2). Flip Clock's advantage is in-app purchases (none vs 3). On update cadence, ads and device support there is nothing between them.

PDF read aloud is free to download; Flip Clock costs $1.99 up front. PDF read aloud sells 3 in-app purchases, starting at $6.99 per month. Flip Clock asks for nothing beyond the download.

PDF read aloud ships an update fortnightly, Flip Clock weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PDF read aloud | Flip Clock |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (43 ratings)](https://appshunter.io/ios/app/pdf-read-aloud-tts/id6471895680/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 99 MB | 1 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harsh Vardhan](https://appshunter.io/developer/1667452198) | [Anoop tomar](https://appshunter.io/developer/1283062106) |

## What reviewers say

### PDF read aloud

[App page](https://appshunter.io/ios/app/pdf-read-aloud-tts/id6471895680)

This app reads PDF documents aloud using natural-sounding text-to-speech technology. Choose from over 120 voices and listen while multitasking. It supports numerous languages, making PDFs accessible for everyone.

**Highlights:** Reads PDF documents aloud, Natural-sounding text-to-speech, Over 120 voice options, Background playback for multitasking, Supports numerous languages, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $24.99 | per year |
| Lifetime | $99.99 | one-time |


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-digital/id6743320993)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF read aloud free?

PDF read aloud is free to download, with in-app purchases available.

### Is Flip Clock free?

Flip Clock costs $1.99, with no in-app purchases.

### Do PDF read aloud or Flip Clock have ads?

Neither PDF read aloud nor Flip Clock shows ads.

### Which is updated more often, PDF read aloud or Flip Clock?

PDF read aloud ships an update fortnightly, and Flip Clock weekly. Most recently, PDF read aloud was updated on October 24, 2026 and Flip Clock on October 25, 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.*