Comparison

Dualock vs List Genius

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

Head to head
About

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.

Highlights
  • Two-part encrypted note storage
  • Separate cloud storage for each part
  • Dual SNS account authentication
  • No password required
  • Secure and private data handling
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Dualock3 screens
List Genius4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Dualock ships an update every 4 months, List Genius monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Dualock versus List Genius: the parameters behind the verdict, then further details
ParameterDualockList Genius
Price$1.99Free — better
Rating5.0 (1 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings14 — better
Update frequencyEvery 4 monthsMonthly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationPaidAd-supported — better
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS12.0 — better16.0
Further details — not scored
Size26 MB1 MB
Age rating4+4+
DeveloperGear Zero Network Inc.Michael Gibby

Customer experience

Dualock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

List Genius

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Dualock

No in-app purchases

None

List Genius

No in-app purchases

Questions

Is Dualock free?
Dualock costs $1.99, with no in-app purchases.
Is List Genius free?
List Genius is free to download, with no in-app purchases.
Which has better reviews, Dualock or List Genius?
Dualock and List Genius are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.
Do Dualock or List Genius have ads?
List Genius shows ads; Dualock does not.
Which is updated more often, Dualock or List Genius?
Dualock ships an update every 4 months, and List Genius monthly. Most recently, Dualock was updated on November 1, 2026 and List Genius on November 3, 2026.

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