Contact Backup vs SMARTKIT KEY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contact Backup
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Contacts Export is a lightweight and efficient iPhone contact manager supporting multiple export and import formats. Safe & Secure: Fully offline, no internet required. Your data never leaves your device. (Only needs internet connection for App Store purchases.) Features: - Export as VCF, CSV, XLSX, or PDF - Import contacts from VCF and CSV files - Upload via WiFi from your computer browser - Preview before exporting or importing - Share or print via the system menu - Send directly via email - Select specific contacts to process Supported Formats: - VCF (vCard) standard contact format, compatible with all phones - CSV spreadsheet format, editable with Excel and more - XLSX native Excel format with full styling - PDF portable document format, ideal for printing and archiving
SMARTKIT KEY
This application transforms your smartphone into a remote control transmitter. It enables you to unlock, lock, locate your vehicle, and open the trunk. Download it to conveniently manage your car's functions.
- Unlock car
- Lock car
- Locate vehicle
- Open trunk
- Smartphone remote transmitter
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本APP是一款利用手机做为遥控发射机，提供了开锁、关锁、寻车、开尾箱等功能，赶快下载使用吧
Screenshots
Verdict
The clearest difference is update cadence: SMARTKIT KEY at every 2 weeks against Contact Backup's every 40 months. SMARTKIT KEY also leads on iOS requirement (10.0 vs 16). 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.
Contact Backup ships an update every 40 months, SMARTKIT KEY every 2 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.
| Parameter | Contact Backup | SMARTKIT KEY |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 40 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 16 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Dazhuo Information Technology Co., Ltd. | 胜 邓 |
In-app purchases
Contact Backup
No in-app purchases
SMARTKIT KEY
No in-app purchases
Questions
Is Contact Backup free?
Is SMARTKIT KEY free?
Do Contact Backup or SMARTKIT KEY have ads?
Which is updated more often, Contact Backup or SMARTKIT KEY?
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