Contact Backup vs Dev Track
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Contact Backup
Easily back up and restore all your phone contacts without synchronization. Save contacts as VCF files via email or cloud services. Offers local and iCloud backup options with regular backup reminders for peace of mind.
- Backup contacts as VCF
- Local and iCloud backup
- Offline backup generation
- Easy restore from VCF
- Regular backup reminders
- Secure contact storage
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Contact Backup - Restore helps to backup and restore your all contacts from your phone without synchronization. You can take backup of all your contacts with a single click and send yourself as a .vcf attachment via email or any services that save .vcf file. Key Features: - Takes backup of Contacts as VCF (VCard). - Easy to sync with iCloud and share into other social media. - Available with local and iCloud backup options. - Generate offline Backup. No need to sync to any server. - Easy restore. No need any app to restore backup file. Just tap on the *.vcf backup file. - You can set reminder to take backup regularly (weekly or monthly). - Your contact details are secure and safe. We are not access or store any contacts.
Dev Track
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【Device Tracking】A high-precision local device tracking application designed for privacy-conscious users who need reliable device location capabilities without compromising personal data. **Offline-First Privacy** All tracking data is stored locally on your device, eliminating the need for cloud servers and keeping your information completely private. **Real-Time Directional Guidance** The application provides visual and audio indicators showing the direction and distance to your target device, helping you locate it efficiently. **Premium Recovery Features** Includes specialized tools designed to assist with device recovery, supporting various scenarios to help reunite you with your lost device. **Offline Operation** Core functionality works entirely without internet connectivity, ensuring reliability in areas with poor or no network coverage. **Local-Only Architecture** The application processes all data on-device, maintaining your privacy while delivering accurate tracking results. Premium Account Pricing and Terms $ 4.99/week* $ 39.99/year* *Prices shown are in U.S. dollars; actual charges may be converted to your local currency. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the renewal cost will be provided. Subscriptions can be managed by the user. Turning off auto-renewal may be done by going to your account settings after purchase. Cancellation of the current subscription is not allowed during the active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ruychao.xyz/shebeizhuizong/privacy.html
Screenshots
Verdict
The clearest difference is device support: Contact Backup at 3 against Dev Track's —. Contact Backup also leads on iOS requirement (10.0 vs 16.0). On price and in-app purchases 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. Contact Backup sells 1 one-off in-app purchase and Dev Track sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Contact Backup | Dev Track |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | — |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 10.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 27 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | sandip paghadar | Hong Kong Trillion Industrial Technology Group Limited |
In-app purchases
Contact Backup
- Ads Free version$1.99
Dev Track
- Weekly Max3 Days trial$4.997 Days
- Yearly Max$39.991 Year









