Comparison

Wise Lum vs Contact Backup & Export Secure

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wise Lum

Control your smart lights' color and brightness. Experience vivid lighting effects that sync with your music, transforming your environment.

Highlights
  • Control light color
  • Adjust brightness
  • Music-reactive lighting
  • Customizable lighting experiences
Features
Read full description

Wise Lum is an app that controls the color and brightness of your lights, and gives you a different experience based on the vivid lighting of the music.

About

Contact Backup & Export Secure

Securely back up and export your phone contacts to various file formats like Excel, CSV, and VCF. This app offers 100% offline processing and direct cloud backups to your personal storage, ensuring your data remains private and under your control.

Highlights
  • Export contacts to CSV, Excel, Word, Plain Text, and vCard
  • 100% offline processing on device
  • Cloud backup to Google Drive and iCloud
  • Zero servers, accounts, or data collection
  • Export all or select specific contacts
  • Filter and export by contact groups
  • Clean, modern design with intuitive navigation
Features
Read full description

The fastest, most secure way to export and backup all your phone contacts. Convert your entire address book to CSV, Excel, Word, Plain Text, or vCard — 100% offline on your device. No servers, no accounts, no data collection. EXPORT TO 5 FORMATS CSV — Open in Excel, Google Sheets, or any CRM. Great for data analysis and mail merges. Excel (.xlsx) — Formatted workbooks with columns for names, phones, emails, companies, and notes. Word (.docx) — Print-ready contact lists for sharing or attaching to reports. Plain Text (.txt) — Universal format, works everywhere, no special software needed. vCard (.vcf) — Industry standard recognized by all phones, tablets, and email clients. CLOUD BACKUP — YOUR CLOUD, YOUR RULES Never lose a contact again. Connect your personal cloud and let Contact Export handle your backups: Google Drive — Backup directly to your personal Drive. No third-party servers. iCloud Drive — Native Apple integration, backups in a dedicated iCloud folder. PRIVACY FIRST — NO EXCEPTIONS Your contacts contain sensitive data — names, phone numbers, addresses, emails, and notes. We keep it safe: Zero Servers — Your data is never uploaded or processed remotely. Zero Accounts — No signup, no login, no tracking. Zero Analytics — We never read or analyze your contacts. Direct-to-Cloud — Backups go straight from your device to YOUR storage. EXPORT ALL OR SELECT SPECIFIC CONTACTS Export your entire address book in one tap Select individual contacts for targeted lists Filter and export by contact groups Search to quickly find specific people Customize file names and save locations A PREMIUM EXPERIENCE Fluid animations on every screen transition Haptic feedback when selecting and exporting Dynamic progress indicators and success confirmations Clean, modern design with intuitive navigation Lightning fast — exports generate in seconds FLEXIBLE PLANS Free: Browse your full contact list in a beautiful interface Subscription — $2.99/Week: Unlimited exports of your entire address book All 5 formats — CSV, Excel, Word, Plain Text, vCard Selective exporting — choose specific contacts or groups Cloud backups to Google Drive or iCloud Save files directly to your device or share instantly PERFECT FOR Switching phones and transferring contacts Creating mailing lists or email campaigns Backing up before a factory reset Managing business contacts across platforms Sharing a team contact directory Keeping an offline archive of important contacts Importing contacts into a CRM or database WHY CONTACT EXPORT Unlike other contact tools, Contact Export was built with one mission: give you complete ownership of your data. Every design decision prioritizes your privacy. No registration walls, no data harvesting, no complicated cloud configuration. Just install, open, and export — it truly is that simple. Our premium interface transforms a routine task into a genuinely enjoyable experience. From the fluid animations that guide you through each step to the satisfying haptic feedback that confirms your actions, every interaction has been crafted with meticulous attention to detail. Download Contact Export and take full control of your contact data — securely, privately, and beautifully. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Wise Lum3 screens
Contact Backup & Export Secure4 screens

Verdict

The call

The clearest difference is review sentiment: Contact Backup & Export Secure at 100% against Wise Lum's 0%. Wise Lum's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 14.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Contact Backup & Export Secure sells 1 in-app purchase, starting at $2.99 per 7 days. Wise Lum asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Wise Lum versus Contact Backup & Export Secure: the parameters behind the verdict, then further details
ParameterWise LumContact Backup & Export Secure
PriceFreeFree
Rating1.4 (7 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings7 — better—
Update frequencyEvery 10 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better14.0
Further details — not scored
Size105 MB50 MB
Age rating4+4+
Developer兴高 汪CodeCross

Customer experience

Wise Lum

All ratings7 ratings
Positive0.0%
Neutral14.3%
Negative85.7%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

Contact Backup & Export Secure

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Wise Lum

No in-app purchases

1 purchases

Contact Backup & Export Secure

Subscriptions1
  • Premium$2.997 Days

Questions

Is Wise Lum free?
Wise Lum is free to download, with no in-app purchases.
Is Contact Backup & Export Secure free?
Contact Backup & Export Secure is free to download, with in-app purchases available.
Do Wise Lum or Contact Backup & Export Secure have ads?
Neither Wise Lum nor Contact Backup & Export Secure shows ads.

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