# 1Contact Pro vs OneLLM

The clearest difference is price: OneLLM at Free against 1Contact Pro's $1.99. 1Contact Pro's advantage is ratings volume (363 vs 26). On rating, review sentiment, update cadence and ads there is nothing between them.

OneLLM is free to download; 1Contact Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for 1Contact Pro against 4.6 for OneLLM. That said, the two scores are not equally well evidenced: 1Contact Pro has 363 ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 50% of 1Contact Pro's written reviews are positive against 56% of OneLLM's.

1Contact Pro ships an update monthly, OneLLM fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 1Contact Pro | OneLLM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.5 (363 ratings)](https://appshunter.io/ios/app/1contact-pro-clean-and-backup/id1441863446/reviews) | **[4.6 (26 ratings)](https://appshunter.io/ios/app/onellm-opencode-and-ds-harness/id6737907910/reviews)** |
| Number of ratings | **363** | 26 |
| Positive reviews | 50.0% of reviews | **55.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 45 MB | 145 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Roxwin Vietnam Technologies Company Limited](https://appshunter.io/developer/1077249023) | [ESOTECH Ltd](https://appshunter.io/developer/1777749632) |

## What reviewers say

### 1Contact Pro

[App page](https://appshunter.io/ios/app/1contact-pro-clean-and-backup/id1441863446)

Organize, clean, and back up your contacts with this smart manager. Features AI-powered duplicate detection, secure cloud backups, and easy sharing options. Ideal for professionals and individuals seeking an efficient address book solution.

**Highlights:** AI-powered duplicate detection and merging, Secure local and cloud backups, Contact cleaning and optimization, Business card scanner with OCR, Bulk contact sharing and export, Birthday and anniversary reminders

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for managing contacts
- 🚀 Quick and easy duplicate merging
- 💰 Great value, one-time purchase
- 🌟 Excellent customer support
- ⏱️ Time saver for contact management

**What reviewers complain about**

- 💥 App crashes frequently
- 📉 Significant lag and freezing
- ❌ Data loss (contacts deleted)
- ❓ Incomprehensible interface (no Chinese)
- 🚫 Full-screen ads in Pro version

**Reported bugs**

- App crashes when merging duplicates
- App lags and stops loading at duplicate contact section
- Backup not working correctly, only sends one name
- Korean names appear incorrectly
- App crashes when searching for duplicates

**Requested features**

- Add Arabic language support
- Include a dialer in the app
- Add call log history


### OneLLM

[App page](https://appshunter.io/ios/app/onellm-opencode-and-ds-harness/id6737907910)

This app offers advanced AI capabilities with both cloud and local processing for privacy and performance. It includes features like offline OCR, voice-to-text, password generation, and QR code scanning. Developers can customize and load thousands of models from Hugging Face.

**Highlights:** Dual AI engine (cloud & local), Offline OCR document scanning, Offline voice-to-text transcription, Password generator & QR code scanner, Developer Mode for custom LLM loading, API integration (OpenAI, Claude), Parameter tuning for LLMs

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

**In-app purchases:** none


## Frequently asked questions

### Is 1Contact Pro free?

1Contact Pro costs $1.99, with no in-app purchases.

### Is OneLLM free?

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

### Which has better reviews, 1Contact Pro or OneLLM?

OneLLM is rated higher. 1Contact Pro averages 4.5 out of 5 from 363 ratings, while OneLLM averages 4.6 from 26 ratings.

### Do 1Contact Pro or OneLLM have ads?

Neither 1Contact Pro nor OneLLM shows ads.

### Which is updated more often, 1Contact Pro or OneLLM?

1Contact Pro ships an update monthly, and OneLLM fortnightly. Most recently, 1Contact Pro was updated on November 2, 2026 and OneLLM on November 5, 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.*