Comparison

Clean,Merge Duplicate Contacts vs MedicalData

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Clean,Merge Duplicate Contacts

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
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Cleanup & Merge & Remove Duplicate Contacts is designed to clean up your address book. *)Easy and fast to bulk delete contacts in iPhone Address Book. *)This app can quickly remove any duplication and useless contact information (such as empty contact name, no phone number, no content, repeated phone numbers and email addresses). *)This app can help you quickly remove multiple duplicate contacts, and detect duplicate contacts by name, phone number and email address. *)Cleanup groups include no contacts, duplicate name and numbers in iPhone contacts. *)This app allows you to back up contacts to CSV (Excel) and VCF (vCard) file before merging duplicate contacts, and ensure the security of your address book. *)Particularly, before syncing with other accounts (Gmail, Yahoo, iCloud, CardDAV, Exchange Server), you can use this app to clean up duplicate and junk contacts in the local address book and Gmail/Yahoo accounts, to avoid generating duplicate information after synchronization.  Features: 1.Bulk deletes multiple contacts in multiple address book accounts 2.Automatically detects duplicate contacts in multiple address book accounts 3.Automatically detects duplicate or junk information in a single contact 4.Detects duplicate contacts by name, phone number and email address 5.Bulk merges or deletes any duplicate or junk contacts in your iPhone or iPad 6.In-app backups contacts to Excel or vCard 7.Easily restores backup contacts 8.Manages multiple address book sources like iCloud, Gmail, Yahoo, CardDAV, Exchange, Facebook 9.Very fast and stable, successfully tested with over 8,000 contacts Tech Support: Facebook : http://www.facebook.com/1643737989269250 Or Email : readyapp.tech@gmail.com

About

MedicalData

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
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专用设备内部日志文件分析工具,用于分析设备在运行过程中生成的日志,以时间轴形式,将晦涩的字节流日志,解析为行为数据,并生成相关数据图表

Screenshots

Clean,Merge Duplicate Contacts4 screens
MedicalData3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Clean,Merge Duplicate Contacts versus MedicalData: the parameters behind the verdict, then further details
ParameterClean,Merge Duplicate ContactsMedicalData
PriceFreeFree
Rating3.8 (13 ratings)5.0 (1 ratings) — better
Positive reviews51.5% of reviews100.0% of reviews — better
Number of ratings13 — better1
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size29 MB2 MB
Age rating4+4+
Developer峥 俞伟 宋

Customer experience

Clean,Merge Duplicate Contacts

All ratings13 ratings
Positive61.5%
Neutral15.4%
Negative23.1%
Written reviews239 reviews
Positive51.5%
Neutral3.3%
Negative45.2%

MedicalData

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Clean,Merge Duplicate Contacts

One-time1
  • Upgrade to Professional$3.99
None

MedicalData

No in-app purchases

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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