# Atomic Connect vs PDF Combiner

The clearest difference is in-app purchases: Atomic Connect at none against PDF Combiner's 11. Atomic Connect also leads on iOS requirement (12.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PDF Combiner sells 11 in-app purchases, starting at $3.99 per month. Atomic Connect asks for nothing beyond the download.

Atomic Connect ships an update every 3 weeks, PDF Combiner every 2 weeks. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Atomic Connect | PDF Combiner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (293 ratings)](https://appshunter.io/ios/app/pdf-combiner-merge-and-split/id1517993393/reviews)** |
| Number of ratings | — | **293** |
| Positive reviews | — | 77.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 14 MB | 30 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Atomic.io Limited](https://appshunter.io/developer/1150238605) | [Evgeniy Konev](https://appshunter.io/developer/1487847911) |

## What reviewers say

### Atomic Connect

[App page](https://appshunter.io/ios/app/atomic-connect/id1475838567)

**In-app purchases:** none


### PDF Combiner

[App page](https://appshunter.io/ios/app/pdf-combiner-merge-and-split/id1517993393)

Easily manage PDF files with a user-friendly interface. Merge, split, and extract pages from documents offline. Convert images to PDF and secure your files with passwords.

**Highlights:** Merge PDF documents, Split PDF into pages, Extract specific pages, Document scanner, Set/remove PDF password, Images to PDF converter, Compress and resize images

**Features:** Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Pro Weekly | $4.99 | per 7 days |
| Yearly | $9.99 | per year |
| Monthly | $9.99 | per month |
| 6 Months | $24.99 | per 6 months |
| Pro Yearly | $29.99 | per year |
| Pro Yearly | $29.99 | per year |
| Special offer | $4.99 | one-time |
| Pro-version | $6.99 | one-time |
| PRO Forever Special | $24.99 | one-time |
| PRO Forever | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 🚀 Efficient file splitting
- ✨ Many useful features
- 💰 Great price for Pro
- 💯 Best app of its kind

**What reviewers complain about**

- 💸 Not free, limitations
- ⚠️ Free version limited
- 🪓 Free version restrictive
- 🤔 "Forever" option unclear
- 🚫 OCR function missing

**Reported bugs**

- Password remover not working
- Saving/resolution issues

**Requested features**

- Add OCR function
- Implement cropping/resizing
- Extend PDF merge limit
- Improve free version features
- Clarify "forever" option


## Frequently asked questions

### Is Atomic Connect free?

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

### Is PDF Combiner free?

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

### Do Atomic Connect or PDF Combiner have ads?

Neither Atomic Connect nor PDF Combiner shows ads.

### Which is updated more often, Atomic Connect or PDF Combiner?

Atomic Connect ships an update every 3 weeks, and PDF Combiner every 2 weeks. Most recently, Atomic Connect was updated on October 14, 2026 and PDF Combiner on October 20, 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.*