# PDF Flatten vs Ringaroo

The clearest difference is price: Ringaroo at Free against PDF Flatten's $0.99. PDF Flatten's advantage is in-app purchases (none vs 2) and iOS requirement (15.1 vs 26.2). On ads and device support there is nothing between them.

Ringaroo is free to download; PDF Flatten costs $0.99 up front. Ringaroo sells 2 in-app purchases, starting at $3.99 per month. PDF Flatten asks for nothing beyond the download.

## The numbers

| Metric | PDF Flatten | Ringaroo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ringaroo-ringtone-maker/id6783536967/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | — | Freemium |
| Size | 29 MB | 14 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [StudyBridge LLC](https://appshunter.io/developer/1830101876) | [Life Utility Apps, LLC](https://appshunter.io/developer/1721977600) |

## What reviewers say

### PDF Flatten

[App page](https://appshunter.io/ios/app/pdf-flatten/id6759459284)

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

**In-app purchases:** none


### Ringaroo

[App page](https://appshunter.io/ios/app/ringaroo-ringtone-maker/id6783536967)

Easily create custom ringtones from any song or sound on your device. Trim audio with precise waveform editing, add fades, and normalize volume. Save presets for quick re-exports. A free version allows one daily ringtone, with a Pro subscription for unlimited creations.

**Highlights:** Custom ringtone creation, Audio import from various sources, Precise waveform trimming, Fade in/out effects, Volume normalization, Save and reuse presets, Offline operation

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is PDF Flatten free?

PDF Flatten costs $0.99, with no in-app purchases.

### Is Ringaroo free?

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

### Do PDF Flatten or Ringaroo have ads?

Neither PDF Flatten nor Ringaroo shows ads.

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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.*