# PDF Reader vs Atempower

The clearest difference is review sentiment: PDF Reader at 100% against Atempower's 0%. Atempower's advantage is ads (none vs shown) and update cadence (fortnightly vs every 114 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PDF Reader ships an update every 114 months, Atempower fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Reader | Atempower |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/atempower/id6497225411/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 8 MB | 38 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aishvarya Sadasivam](https://appshunter.io/developer/1062048241) | [VIC OFFROAD PTY. LTD.](https://appshunter.io/developer/1757593190) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-for-books/id1084659168)

Easily open and view all your important files, including PDFs, documents, spreadsheets, presentations, and images, in one straightforward app. Designed for simplicity and speed, it's your reliable companion for accessing digital materials and eBooks quickly with a clean interface.

**Highlights:** Open PDFs and eBooks, View Office files (.doc, .xls, .ppt), Access image files (.png, .jpg), Open .html web pages, Clean and clear interface, Fast and reliable file viewing

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

**In-app purchases:** none


### Atempower

[App page](https://appshunter.io/ios/app/atempower/id6497225411)

Monitor and control device hardware status in real-time. Access detailed operational data, receive immediate alerts for issues, and remotely manage device power switches.

**Highlights:** Real-time device status collection, Hardware information control, Access device operation data, Real-time monitoring, View detailed operational data, Remote power switch control

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

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Atempower free?

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

### Do PDF Reader or Atempower have ads?

PDF Reader shows ads; Atempower does not.

### Which is updated more often, PDF Reader or Atempower?

PDF Reader ships an update every 114 months, and Atempower fortnightly. Most recently, PDF Reader was updated on October 21, 2026 and Atempower 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.*