# Clean,Merge Duplicate Contacts vs MedicalData

The clearest difference is review sentiment: MedicalData at 100% against Clean,Merge Duplicate Contacts's 51%. MedicalData also leads on rating (5.0 vs 3.8) and in-app purchases (none vs 1). Clean,Merge Duplicate Contacts's advantage is ratings volume (13 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Clean,Merge Duplicate Contacts sells 1 one-off in-app purchase. MedicalData asks for nothing beyond the download.

MedicalData holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Clean,Merge Duplicate Contacts has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 51% of Clean,Merge Duplicate Contacts's written reviews are positive against 100% of MedicalData's.

Clean,Merge Duplicate Contacts ships an update every 9 days, MedicalData weekly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Clean,Merge Duplicate Contacts | MedicalData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/cleanmerge-duplicate-contacts/id625688151/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/medicaldata/id6756758669/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 51.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 29 MB | 2 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [峥 俞](https://appshunter.io/developer/1500529302) | [伟 宋](https://appshunter.io/developer/1852661138) |

## What reviewers say

### Clean,Merge Duplicate Contacts

[App page](https://appshunter.io/ios/app/cleanmerge-duplicate-contacts/id625688151)

Easily clean up your address book by removing duplicate and junk contacts. This app helps you merge duplicates, back up your contacts to CSV or VCF files, and manage multiple address book sources.

**Highlights:** Bulk delete contacts, Detect duplicate contacts, Remove junk information, Backup contacts to CSV/VCF, Restore backup contacts, Manage multiple address book sources

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Professional | $3.99 | one-time |


### MedicalData

[App page](https://appshunter.io/ios/app/medicaldata/id6756758669)

This utility app analyzes internal log files from specialized devices. It transforms raw byte stream logs into behavioral data presented on a timeline, generating relevant data charts.

**Highlights:** Internal log file analysis, Timeline visualization, Behavioral data parsing, Data chart generation, Byte stream conversion

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

**In-app purchases:** none


## Frequently asked questions

### Is Clean,Merge Duplicate Contacts free?

Clean,Merge Duplicate Contacts is free to download, with in-app purchases available.

### Is MedicalData free?

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

### Which has better reviews, Clean,Merge Duplicate Contacts or MedicalData?

MedicalData is rated higher. Clean,Merge Duplicate Contacts averages 3.8 out of 5 from 13 ratings, while MedicalData averages 5.0 from 1 ratings.

### Do Clean,Merge Duplicate Contacts or MedicalData have ads?

Neither Clean,Merge Duplicate Contacts nor MedicalData shows ads.

### Which is updated more often, Clean,Merge Duplicate Contacts or MedicalData?

Clean,Merge Duplicate Contacts ships an update every 9 days, and MedicalData weekly. Most recently, Clean,Merge Duplicate Contacts was updated on November 1, 2026 and MedicalData 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.*