# Paper Pros vs E

The clearest difference is update cadence: Paper Pros at fortnightly against E's every 4 months. Paper Pros also leads on iOS requirement (12.0 vs 15.6). On price, ads, 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.

Paper Pros ships an update fortnightly, E every 4 months. The most recent releases landed on September 11, 2026 and July 29, 2026 respectively.

## The numbers

| Metric | Paper Pros | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/paper-pros/id6473636121/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 33 MB | 38 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Case Paper Co., Inc.](https://appshunter.io/developer/594713261) | [E-SWITCHY](https://appshunter.io/developer/6788516745) |

## What reviewers say

### Paper Pros

[App page](https://appshunter.io/ios/app/paper-pros/id6473636121)

This app simplifies paper calculations for professionals. It offers tools to quickly determine paper sizes, weights, thickness, and perform various conversions on the go.

**Highlights:** Paper size calculation, Weight calculation, Thickness calculation, Conversions, On-the-go calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-switchy/id6760515390)

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

**In-app purchases:** none


## Frequently asked questions

### Is Paper Pros free?

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

### Is E free?

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

### Do Paper Pros or E have ads?

Neither Paper Pros nor E shows ads.

### Which is updated more often, Paper Pros or E?

Paper Pros ships an update fortnightly, and E every 4 months. Most recently, Paper Pros was updated on September 11, 2026 and E on July 29, 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.*