# Simple PDF Editor vs Appliance Unit Meter

The clearest difference is in-app purchases: Appliance Unit Meter at none against Simple PDF Editor's 8. Appliance Unit Meter also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.6). Simple PDF Editor's advantage is update cadence (every 2 weeks vs every 4 months) and review sentiment (8% vs 0%). On price and device support there is nothing between them.

Both are free to download. Simple PDF Editor sells 8 one-off in-app purchases. Appliance Unit Meter asks for nothing beyond the download.

Simple PDF Editor ships an update every 2 weeks, Appliance Unit Meter every 4 months. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Simple PDF Editor | Appliance Unit Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (16 ratings)](https://appshunter.io/ios/app/simple-pdf-editor/id1560227399/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | **8.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 5 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Ihsan Ullah](https://appshunter.io/developer/1488089071) |

## What reviewers say

### Simple PDF Editor

[App page](https://appshunter.io/ios/app/simple-pdf-editor/id1560227399)

Easily edit PDF documents by deleting, rotating, sorting, extracting, or combining pages. Secure your files with password protection and unlock them. The free version lets you preview edits before purchasing tools or the professional version for full access.

**Highlights:** Delete PDF pages, Rotate PDF pages, Sort PDF pages, Extract PDF pages, Combine PDF pages, Password protect PDFs, Unlock password-protected PDFs

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delete Pages | $4.99 | one-time |
| Rotate Pages | $4.99 | one-time |
| Sort Pages | $4.99 | one-time |
| Unlock Password | $4.99 | one-time |
| Extract Pages | $4.99 | one-time |
| Password Protect | $4.99 | one-time |
| Combine PDF | $4.99 | one-time |
| Pro (All Tools) | $19.99 | one-time |


### Appliance Unit Meter

[App page](https://appshunter.io/ios/app/appliance-unit-meter/id1613668653)

Calculate your monthly electricity bill by inputting appliance wattage, quantity, and usage time. Set your per-unit electricity price and GST to get an accurate estimate.

**Highlights:** Calculate electricity bills, Input appliance wattage, Set usage time, Configure per-unit price, Add GST, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple PDF Editor free?

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

### Is Appliance Unit Meter free?

Appliance Unit Meter is free to download, with no in-app purchases.

### Do Simple PDF Editor or Appliance Unit Meter have ads?

Simple PDF Editor shows ads; Appliance Unit Meter does not.

### Which is updated more often, Simple PDF Editor or Appliance Unit Meter?

Simple PDF Editor ships an update every 2 weeks, and Appliance Unit Meter every 4 months. Most recently, Simple PDF Editor was updated on October 10, 2026 and Appliance Unit Meter on October 8, 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.*