ContactVault Pro vs Lyestone
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ContactVault Pro
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ContactVault is your trusted contact backup solution that keeps your data 100% private. No servers, no cloud, no tracking. Your contacts never leave your device. KEY FEATURES: One-Tap Backup - Instantly backup all your contacts with a single tap. Never worry about losing important phone numbers, emails, or addresses again. Multiple Export Formats - Choose between VCF (vCard) for universal compatibility or CSV for spreadsheet editing. Both formats are widely supported across all major platforms. AES-256 Encryption - Protect your backups with military-grade encryption. Set a password and only you can access the encrypted data. Perfect for sensitive contact information. Face ID and Touch ID - Add an extra layer of biometric security to your encrypted backups. Quick and convenient authentication. Backup History - Keep track of all your backups with detailed records including date, format, contact count, and file size. Easily find and manage previous backups. Backup Reminders - Never forget to backup again. Set daily, weekly, or monthly reminders to keep your contacts safe. 100% Local and Private - Your contacts are processed entirely on your device. No data is ever sent to external servers. Zero tracking, zero analytics. Easy Sharing - Share backup files via the iOS share sheet. Send via AirDrop, email, Messages, or save to Files app. HOW IT WORKS: 1. Open ContactVault and grant contact access 2. Choose your preferred format (VCF or CSV) 3. Optionally enable encryption with a password 4. Tap Backup Now - done! Your backup is saved locally and ready to share or store wherever you choose. WHO IS IT FOR? Anyone who wants to protect their contacts from accidental loss. People switching phones who need a reliable backup. Professionals who need encrypted contact exports. Privacy-conscious users who want local-only data processing. ContactVault - because your contacts deserve the best protection.
Lyestone
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Queue recipe snapshots at your own batch sizes, combine their oil requirements and compare the result with stock on hand. HOW IT WORKS 1. Open Batches, then Workshop. Choose Plan a batch and a saved recipe. 2. Set oil grams per batch and the number of batches, then save the plan. 3. Tap an oil to record current stock. Share the combined oil pick list. 4. Mark a plan complete to remove its demand, or reopen it later. Keep the recipe calculator, fat library, saved recipes, costing tools and poured-batch journal. Workshop snapshots remain stable when a saved recipe is edited. WHAT TO KNOW Workshop covers oils only. Lye, water, fragrance and additives are excluded; calculate and verify each recipe before making soap. Stock is manual and is not deducted automatically. Cure milestones measure elapsed time and do not certify safety. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: Lyestone at $0.99 against ContactVault Pro's $2.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
ContactVault Pro costs $2.99 and Lyestone $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ContactVault Pro | Lyestone |
|---|---|---|
| Price | $2.99 | $0.99 β better |
| Update frequency | β | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17 | 17.0 |
| Further details β not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 9+ | 4+ |
| Developer | θ΄Ί ε¨ | Robert Corbin |
In-app purchases
ContactVault Pro
No in-app purchases
Lyestone
No in-app purchases





