Dualock vs Senior Calendar
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.
Senior Calendar
This calendar app features adjustable large text for easy readability, catering to users with presbyopia or those who prefer larger fonts. It offers multiple calendar views and simple scheduling tools.
- Adjustable text size
- Large text schedule entry
- Three calendar styles
- Quick schedule entry
- Tag feature for bulk entry
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▼ Large Text, Easy-to-Read Calendar Senior Calendar is a simple and easy-to-use calendar app designed for people in their 40s, 50s, 60s and beyond, as well as seniors and older adults. In addition to its simple and intuitive operation, one of its biggest features is the ability to freely adjust the text size. *You can change the text size using the slider at the top of the screen. Perfect for those who find small text difficult to read due to presbyopia or changes in eyesight. You can also make the text smaller, making the app comfortable to use for younger generations as well. (The simple design makes it easy for anyone to use.) ▼ Try Different Calendar Styles 1. Wall-style monthly calendar 2. Vertical schedule calendar 3. Two-column planner-style calendar You can easily switch between styles using the tabs at the bottom of the screen. Try different views for checking and planning your schedule, and use the one that works best for you. ▼ Recommended for ・Anyone looking for a large-text, easy-to-read calendar ・Those who want a simple, easy-to-use calendar app ・People with presbyopia who find small text difficult to read ・Those who want a simple calendar without unnecessary features ・People in their 40s, 50s, 60s and beyond who want a clear calendar ・Families looking for an easy-to-use calendar for older family members ▼ Main Features ・Freely adjustable text size ・Add schedules using large, readable text ・3 different calendar styles ・Simply tap a date to quickly enter a schedule ・Tag feature for adding schedules to multiple days at once ・Large text that is easy to read even without reading glasses For people in their 40s, 50s, 60s and beyond, for seniors and older adults, for those with low vision or presbyopia, and for anyone who prefers a simple design. If you are looking for an "easy-to-read" calendar with "large text," give Senior Calendar a try. -- Terms of Service https://foodmenu.world/seniorCalendar/en/tos Privacy Policy https://foodmenu.world/seniorCalendar/en/privacy
Screenshots
Verdict
The clearest difference is price: Senior Calendar at Free against Dualock's $1.99. Senior Calendar also leads on update cadence (fortnightly vs every 4 months) and ratings volume (57 vs 1). Dualock's advantage is in-app purchases (none vs 3) and ads (none vs shown). On device support and iOS requirement 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
Senior Calendar is free to download; Dualock costs $1.99 up front. Senior Calendar sells 3 in-app purchases, starting at $1.99 per month. Dualock asks for nothing beyond the download.
Dualock holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Senior Calendar has 57 ratings behind it against 1, so its average is the more settled of the two.
Dualock ships an update every 4 months, Senior Calendar fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.
| Parameter | Dualock | Senior Calendar |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.6 (57 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 57 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 26 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Gear Zero Network Inc. | Foodmenu.world Inc. |
Customer experience
Dualock
Senior Calendar
In-app purchases
Dualock
No in-app purchases
Senior Calendar
- Monthly Plan$1.991 Month
- Annual Plan Sale$11.991 Year
- Annual Plan$22.991 Year
Questions
Is Dualock free?
Is Senior Calendar free?
Which has better reviews, Dualock or Senior Calendar?
Do Dualock or Senior Calendar have ads?
Which is updated more often, Dualock or Senior Calendar?
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