# PDF Reader vs CPU Benchmark

The clearest difference is ads: CPU Benchmark at none against PDF Reader's shown. CPU Benchmark also leads on update cadence (every 10 days vs every 114 months). PDF Reader's advantage is iOS requirement (14.0 vs 18.6). 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.

PDF Reader ships an update every 114 months, CPU Benchmark every 10 days. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | PDF Reader | CPU Benchmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 114 months | **Every 10 days** |
| Size | 10 MB | 3 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Hossin Haider](https://appshunter.io/developer/1869057402) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-store/id1084685959)

**Features:** macOS Compatibility

**In-app purchases:** none


### CPU Benchmark

[App page](https://appshunter.io/ios/app/cpu-benchmark/id6757809641)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is CPU Benchmark free?

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

### Do PDF Reader or CPU Benchmark have ads?

PDF Reader shows ads; CPU Benchmark does not.

### Which is updated more often, PDF Reader or CPU Benchmark?

PDF Reader ships an update every 114 months, and CPU Benchmark every 10 days. Most recently, PDF Reader was updated on October 1, 2026 and CPU Benchmark on September 25, 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.*