Duplicate Contacts Finder vs Mathify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duplicate Contacts Finder
This utility helps organize your phone's contacts by identifying and allowing manual deletion of duplicates based on name and phone number. It also categorizes contacts with missing or invalid names and phone numbers, ensuring your contact list remains clean and efficient. Your contact information stays securely on your device.
- Categorize duplicate contacts by name and phone
- Manually delete duplicate contacts
- Categorize contacts with empty/invalid names
- Categorize contacts with empty/invalid phone numbers
- Keeps contact data on device
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Contact Cleaner app * Categorise contacts with duplicate Name and Phone number * Can delete the duplicate contacts by choosing each item manually * Categorise contacts with empty name or invalid name * Categorise contacts with empty phone number or invalid phone number YOUR PHONE CONTACTS INFORMATION WILL NOT BE TAKEN OUT FROM YOUR DEVICE
Mathify
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Mathify is a fast, focused calculator for iPhone and iPad. Ask the AI calculator a question in plain language or open a dedicated native calculator for math, finance, conversions, dates, fitness, business, and more. Native calculations run on-device, update as you type, and keep long expressions easy to review without taking over the screen. AI answers show the formula, working, assumptions, and a clear result. Your history stays on your device. The app ships without ads, accounts, tracking SDKs, or blog content. Available in the same 28 languages as Mathify web; the AI calculator answers in your language, and some calculator field labels are still English while translation continues. General wellness estimates are clearly marked as educational planning tools and are not medical advice. Clinical dosing, medication, vaccination, blood-alcohol, drug half-life, and gambling tools are not included in this launch. Privacy policy: https://mathify.one/privacy Terms of Use (EULA): https://mathify.one/terms Support: https://mathify.one/en/contact
Screenshots
Verdict
The clearest difference is iOS requirement: Duplicate Contacts Finder at 9.0 against Mathify's 16.4. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Duplicate Contacts Finder | Mathify |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 12 MB | 44 MB |
| Age rating | 12+ | 4+ |
| Developer | Shebin Koshy | Vinayak Dhadda |
In-app purchases
Duplicate Contacts Finder
No in-app purchases
Mathify
No in-app purchases
Questions
Is Duplicate Contacts Finder free?
Is Mathify free?
Do Duplicate Contacts Finder or Mathify have ads?
Other comparisons
