Comparison

Dualock vs Moments₂

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

Moments₂

This app helps you calculate time durations between any two points in time. It supports custom moments, locale awareness, and iCloud syncing for seamless calculations across devices. Easily determine days, years, or seconds between dates, or calculate future/past moments based on a duration.

Highlights
  • Time span calculation
  • Custom moment definition
  • Locale and time zone support
  • iCloud syncing
  • Fixed duration mode
  • Date wheel interface
Features
Read full description

What is Moments?​ Moments (f.k.a Days) is a time zone savvy, locale-aware, iCloud-syncing time calulator. Its main interface consists of two date wheels to specify two points in time, and another wheel to display the time span (or duration). Special Moments​ In addition to specifying dates as the points in time, you can define Moments and refer to them in calculations. Name the moment if you want. Specify the time of day if you want. And include a time zone if you want. Wheels of Time​ By spinning the Moment (or Date) wheels, you effortlessly calculate the exact duration between two points in time, in any units you select, enabling you to answer questions like: How many days (or years, or seconds, etc.) are there between these two dates? How long has it been since that special moment? How old was she when he was born? etc. Turn on Fixed Duration Mode, and use the duration to find the moment that is a certain period before or after another moment. Then you can save the new found moment for further calculations. Locales Support​ Moments respects the system locales you set on your device, but it also allows you to specify a custom locale, one that you can easily turn on and off with a switch. Without affecting your system's language settings, Moments lets you experience and see your dates in hundreds of languages and locale calendars. Enjoy​ This is another gift. Count Your Blessings.

Screenshots

Dualock3 screens
Moments₂4 screens

Verdict

The call

The clearest difference is price: Moments₂ at Free against Dualock's $1.99. Moments₂ also leads on ratings volume (6 vs 1). Dualock's advantage is iOS requirement (12.0 vs 26.0). On rating, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Moments₂ 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 Moments₂. That said, the two scores are not equally well evidenced: Moments₂ has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Dualock ships an update every 4 months, Moments₂ every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 5 level
Dualock versus Moments₂: the parameters behind the verdict, then further details
ParameterDualockMoments₂
Price$1.99Free — better
Rating5.0 (1 ratings)5.0 (6 ratings)
Number of ratings16 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better26.0
Further details — not scored
Size26 MB9 MB
Age rating4+4+
DeveloperGear Zero Network Inc.Kenneth Wong

Customer experience

Dualock

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

Moments₂

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Dualock

No in-app purchases

None

Moments₂

No in-app purchases

Questions

Is Dualock free?
Dualock costs $1.99, with no in-app purchases.
Is Moments₂ free?
Moments₂ is free to download, with no in-app purchases.
Which has better reviews, Dualock or Moments₂?
Dualock and Moments₂ are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.
Do Dualock or Moments₂ have ads?
Neither Dualock nor Moments₂ shows ads.
Which is updated more often, Dualock or Moments₂?
Dualock ships an update every 4 months, and Moments₂ every 2 months. Most recently, Dualock was updated on November 1, 2026 and Moments₂ on November 3, 2026.

Other comparisons