# Chas App vs PDF Aide

The clearest difference is rating: PDF Aide at 5.0 against Chas App's 1.0. PDF Aide also leads on update cadence (every 3 days vs every 11 days). Chas App's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. PDF Aide sells 2 in-app purchases, starting at $4.99 per month. Chas App asks for nothing beyond the download.

PDF Aide holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Chas App ships an update every 11 days, PDF Aide every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Chas App | PDF Aide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/chas-app/id1525507251/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pdf-aide-edit-and-convert/id6764265638/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 44 MB | 26 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Roberto Roesch](https://appshunter.io/developer/1110635024) | [KESTREL CYBER PTE. LTD.](https://appshunter.io/developer/1678251940) |

## What reviewers say

### Chas App

[App page](https://appshunter.io/ios/app/chas-app/id1525507251)

This app allows users to earn points by completing surveys for companies. Accumulated points can then be redeemed for prizes. It aims to help businesses gather user feedback.

**Highlights:** Complete surveys, Earn points, Redeem points for prizes, Provide company feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Aide

[App page](https://appshunter.io/ios/app/pdf-aide-edit-and-convert/id6764265638)

Streamline your document management with this comprehensive PDF tool. Convert images, Office files, and web pages to PDF, or export PDFs to editable formats. Edit, annotate, merge, split, and secure your documents with ease.

**Highlights:** Convert images, Office files, and web pages to PDF, Export PDFs to editable formats, Annotate and draw on documents, Merge and split PDF files, Compress PDF file size, Password protect sensitive documents

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly membership | $4.99 | per month |
| Annual Membership | $39.99 | per year |


## Frequently asked questions

### Is Chas App free?

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

### Is PDF Aide free?

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

### Which has better reviews, Chas App or PDF Aide?

PDF Aide is rated higher. Chas App averages 1.0 out of 5 from 1 ratings, while PDF Aide averages 5.0 from 1 ratings.

### Do Chas App or PDF Aide have ads?

Neither Chas App nor PDF Aide shows ads.

### Which is updated more often, Chas App or PDF Aide?

Chas App ships an update every 11 days, and PDF Aide every 3 days. Most recently, Chas App was updated on October 24, 2026 and PDF Aide on October 24, 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.*