# BATON SOS vs ALD PDF

The clearest difference is ads: BATON SOS at none against ALD PDF's shown. ALD PDF's advantage is iOS requirement (11.0 vs 15.1). On price, update cadence, 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.

BATON SOS ships an update every 2 weeks, ALD PDF fortnightly. The most recent releases landed on November 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | BATON SOS | ALD PDF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 73 MB | 8 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ROPE,. Inc](https://appshunter.io/developer/1268589921) | [Aido Domingues](https://appshunter.io/developer/959460436) |

## What reviewers say

### BATON SOS

[App page](https://appshunter.io/ios/app/baton-sos/id1579832102)

**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 BATON SOS free?

BATON SOS 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 BATON SOS or ALD PDF have ads?

ALD PDF shows ads; BATON SOS does not.

### Which is updated more often, BATON SOS or ALD PDF?

BATON SOS ships an update every 2 weeks, and ALD PDF fortnightly. Most recently, BATON SOS was updated on November 3, 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.*