# RiDATA vs ALD PDF

The clearest difference is ads: RiDATA at none against ALD PDF's shown. RiDATA also leads on iOS requirement (8.0 vs 11.0). ALD PDF's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RiDATA ships an update every 2 months, ALD PDF fortnightly. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | RiDATA | ALD PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/ridata/id1136069132/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 45 MB | 8 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siliconmotion](https://appshunter.io/developer/1050091822) | [Aido Domingues](https://appshunter.io/developer/959460436) |

## What reviewers say

### RiDATA

[App page](https://appshunter.io/ios/app/ridata/id1136069132)

Expand your iOS device's storage with an external RiDATA device. Easily transfer and manage photos, videos, audio, and documents across different platforms and devices.

**Highlights:** External storage device compatibility, File exchange across devices/platforms, Picture browser, Video player, Audio player, Document browser, Camera function

**Features:** macOS Compatibility

**In-app purchases:** none


### ALD PDF

[App page](https://appshunter.io/ios/app/ald-pdf/id6476907535)

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

**In-app purchases:** none


## Frequently asked questions

### Is RiDATA free?

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

### Is ALD PDF free?

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

### Do RiDATA or ALD PDF have ads?

ALD PDF shows ads; RiDATA does not.

### Which is updated more often, RiDATA or ALD PDF?

RiDATA ships an update every 2 months, and ALD PDF fortnightly. Most recently, RiDATA was updated on October 9, 2026 and ALD PDF 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.*