# LFunCalc vs PDF Mpjex

The clearest difference is in-app purchases: LFunCalc at none against PDF Mpjex's 3. LFunCalc also leads on ads (none vs shown) and iOS requirement (13.2 vs 15.0). PDF Mpjex's advantage is update cadence (every 6 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. PDF Mpjex sells 3 in-app purchases, starting at $0.99 per month. LFunCalc asks for nothing beyond the download.

LFunCalc ships an update every 5 months, PDF Mpjex every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | LFunCalc | PDF Mpjex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (325 ratings)](https://appshunter.io/ios/app/pdf-mpjex-editor-for-pdf/id6450148824/reviews)** |
| Number of ratings | — | **325** |
| Positive reviews | — | 97.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 26 MB |
| Requires iOS | **13.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [NOBORU IMAI](https://appshunter.io/developer/896071356) | [Beijing Yima Network Technology Co., Ltd.](https://appshunter.io/developer/1655494126) |

## What reviewers say

### LFunCalc

[App page](https://appshunter.io/ios/app/lfuncalc/id1501273046)

**Features:** Vision Pro support

**In-app purchases:** none


### PDF Mpjex

[App page](https://appshunter.io/ios/app/pdf-mpjex-editor-for-pdf/id6450148824)

This app allows you to create and edit PDF documents on your iPhone and iPad. Features include scanning, merging, reordering, and protecting PDFs with passwords. You can also extract pages, images, and text from existing documents.

**Highlights:** Scan documents, Create PDF from photos/web, Merge and extract PDFs, Delete, rotate, reorder pages, Password protect PDFs, Extract images and pages

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Editor & Maker Pro Monthly | $0.99 | per month |
| PDF Editor & Maker Pro Yearly | $9.99 | per year |
| PDF Editor & Maker Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Amazing app with many tools
- 👍 Nice app
- 👍 Good app
- 👍 Very good
- 👍 Nice app

**Reported bugs**

- 🐛 App crashes when viewing drawings

**Requested features**

- 💡 Add automatic table of contents generation
- 💡 Ability to scan up to 24 pages at once, then merge


## Frequently asked questions

### Is LFunCalc free?

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

### Is PDF Mpjex free?

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

### Do LFunCalc or PDF Mpjex have ads?

PDF Mpjex shows ads; LFunCalc does not.

### Which is updated more often, LFunCalc or PDF Mpjex?

LFunCalc ships an update every 5 months, and PDF Mpjex every 6 weeks. Most recently, LFunCalc was updated on November 3, 2026 and PDF Mpjex on November 3, 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.*