Dualock vs List Genius
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dualock
This app securely stores your notes by splitting them into two encrypted parts, stored separately. Access requires authentication from two specified SNS accounts, ensuring your data remains private and inaccessible to others.
- Two-part encrypted note storage
- Separate cloud storage for each part
- Dual SNS account authentication
- No password required
- Secure and private data handling
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Write your note. Leave Dualock keep it safe in the cloud. We do not use password, because password is not safe enough and hard to remember. Every note you saved here will be splited into two part. Both the parts will encrypted separately and saved separately, using a pair of SNS account you specified. To unlock your note, both accounts is needed. Only you know the pair and the order of the pair. It's safe. Even I don't know how to crack it.
List Genius
Easily create and manage reusable lists for various tasks, from travel plans to grocery shopping. Capture items via camera, clear text with a tap, and even get random suggestions. Available in English and Spanish.
- Create one-time or reusable lists
- Check off completed items
- Add items from camera
- Clear text with a single tap
- Random selection tool
- Supports English and Spanish
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List Genius makes everyday planning simple. Create as many lists as you need for groceries, trips, hardware-store runs, home projects, and everything in between. Keep each list focused, organized, and easy to complete. Reorder items as plans change, duplicate a useful list for next time, and undo accidental deletions without rebuilding your work. Share only the list you choose. Invite a partner through iCloud to collaborate on one list while your other lists remain private. Features: - Create and organize as many lists as you need - Check off items with satisfying visual and haptic feedback - Reorder list items and lists - Share one selected list with a partner through iCloud - Keep changes synchronized across your devices - Select lists and mark off items from Apple Watch - Duplicate useful lists for easy reuse - Delete completed items with an Undo option - Scan an item with the camera on supported devices - Send a plain-text copy when collaboration is not needed - Use the app in English or Spanish Whether you are shopping for groceries, packing for a trip, or planning the next project, List Genius keeps the details clear and close at hand.
Screenshots
Verdict
The clearest difference is price: List Genius at Free against Dualock's $1.99. List Genius also leads on update cadence (monthly vs every 4 months) and ratings volume (4 vs 1). Dualock's advantage is ads (none vs shown) and iOS requirement (12.0 vs 16.0). On rating, 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
List Genius is free to download; Dualock costs $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 — 5.0 for Dualock against 5.0 for List Genius. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Dualock ships an update every 4 months, List Genius monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Dualock | List Genius |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Gear Zero Network Inc. | Michael Gibby |
Customer experience
Dualock
List Genius
In-app purchases
Dualock
No in-app purchases
List Genius
No in-app purchases









