Smart PDF+ Editor vs Backup Contacts Cleaner Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart PDF+ Editor
This app allows users to read, sign, and annotate PDF documents, especially with stylus input. It's designed for professionals to quickly handle documents and for students to take notes on study materials. Features include a built-in file manager for organization.
- Ink annotations
- Document signing
- File organization
- PDF reading
- Document sharing
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Smart PDF is a PDF editor specially optimized for ink annotations. Use it with an Apple Pencil for the ultimate ease in note taking. Great for professionals Quickly sign and send documents. Review, annotate and share files with your colleagues. Great for students If you spend a lot of time reading and studying documents on your iPad, then Smart PDF is an indispensable tool for getting the most out of your study time. Take notes on documents in class, or while studying at home. Keep all your files organized with the built-in file manager, with color-coded categories. We hope you enjoy Smart PDF! -- The App Makers @ Qrayon
Backup Contacts Cleaner Pro
Easily back up, restore, and transfer all your contacts with a single tap. This secure app ensures your precious contact information is safe, even if your phone is lost or broken. It offers a simple and efficient way to manage your address book.
- Secure contact backup
- One-tap contact transfer
- Manual sync option
- Restore contacts
- Small app size
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Contacts Backup helps you to backup, restore and save all your precious contacts! Also, you can easily transfer all your contacts from your phone to another phone with just one tap! It’s an easy app that keeps your contacts safe and secure! The easiest and the contact saving app that supports your iPhone! -> No Ads -> Your contacts are saved! even if you lose or break your phone! -> The easiest way to Secure your contacts - Just One Tap. -> Completely safe, secure and fast. ***** Features ***** -> Safe & secure contact backup. -> You can manually sync with the Backup button. -> Small in app size (~15Mb). -> Simple and to the point app and it does as it says. ***** This is how it works: ***** --> How to back up the contact list: 1. Download the Contacts Backup App on your iPhone 2. Go to Backup Screen 3. Press ”Backup” button in the app 4. Press "Email" after completed backup 5. Your contacts are now safely stored! Customer Care: We love to hear from you – so feel free to contact us at: FB: https://www.facebook.com/Cheepapps-684007881726733/ Email: cheepapps@gmail.com
Screenshots
Verdict
Smart PDF+ Editor and Backup Contacts Cleaner Pro both sit at 3.8 stars, but that hides the real split: 100% of Backup Contacts Cleaner Pro's written reviews are positive against 5% of Smart PDF+ Editor's. Backup Contacts Cleaner Pro also leads on price ($1.99 vs $4.99) and iOS requirement (12.0 vs 15.6). Smart PDF+ Editor's advantage is update cadence (every 4 months vs every 10 months) and ratings volume (53 vs 7). On rating, ads, in-app purchases and monetization model 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
Smart PDF+ Editor costs $4.99 and Backup Contacts Cleaner Pro $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 — 3.8 for Smart PDF+ Editor against 3.9 for Backup Contacts Cleaner Pro. That said, the two scores are not equally well evidenced: Smart PDF+ Editor has 53 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 5% of Smart PDF+ Editor's written reviews are positive against 100% of Backup Contacts Cleaner Pro's.
Smart PDF+ Editor ships an update every 4 months, Backup Contacts Cleaner Pro every 10 months. Both last shipped on November 2, 2026.
| Parameter | Smart PDF+ Editor | Backup Contacts Cleaner Pro |
|---|---|---|
| Price | $4.99 | $1.99 — better |
| Rating | 3.8 (53 ratings) | 3.9 (7 ratings) — better |
| Positive reviews | 5.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 53 — better | 7 |
| Update frequency | Every 4 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Qrayon, LLC | Duong Bac |
Customer experience
Smart PDF+ Editor
Backup Contacts Cleaner Pro
In-app purchases
Smart PDF+ Editor
No in-app purchases
Backup Contacts Cleaner Pro
No in-app purchases
Questions
Is Smart PDF+ Editor free?
Is Backup Contacts Cleaner Pro free?
Which has better reviews, Smart PDF+ Editor or Backup Contacts Cleaner Pro?
Do Smart PDF+ Editor or Backup Contacts Cleaner Pro have ads?
Which is updated more often, Smart PDF+ Editor or Backup Contacts Cleaner Pro?
Other comparisons
