SandMemo vs cal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SandMemo
This app helps you remember important details about people and events. Create individual cards for relationships or personal thoughts, with options for different types of memories and secure local storage. Features include customizable text styles and a widget for quick access.
- Card-based journaling
- Secure local data storage
- iCloud encrypted sync
- Customizable text styles
- Tagging and filtering
- Home screen widget
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App Store "weekly recommended App" SandMemo is a secure memo app that helps you memo intimate relationships if you always forget things about your parents, lovers or friends. You just need to create a separate card for them to start recording. Also, you can create a card for yourself to write down thoughts quickly. Open the App, click on the upper right corner of the card and start writing. In iOS17, we design a quick small widget for users to start writing directly from home screen~ SIMPLE DESIGN · Cute homepage, easy to get started · Original card shorthand, allowing you to start writing in a second PRIVATE AND SECURE · Two kinds of locks: card lock and single lock · All data is stored locally by default · Support iCloud encrypted sync (manually open) THREE KINDS OF SANDS · Using “Space Sand”, you can record basic information about intimate relationships, such as likes and dislikes · Using “Vivid Time Sand”, you can write down what happened recently · Using “Vague Time Sand”, you can write down memories over the years OTHER SPECIAL · Dual view - default card view, optional grid view for a large number of cards · Time and space swap - Time Sand and Space Sand can be converted · Editor with adjustable text styles · Tags can be grouped, and used to search and filter · Randomly pick a memory from your collection · Family sharing Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://memorysand.super.site/en/privacy
cal
Capture and revisit your daily memories with photos and notes. This app presents your month as a visual calendar, allowing you to easily view past moments. Your data remains private and stored solely on your device.
- Add photos to any day
- Jot down notes for each entry
- View month as a photo calendar
- Full-screen view of daily memories
- Export entries for sharing
- Private, on-device storage
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Life moves fast. CalDiary helps you slow down and remember it — one photo, one day at a time. Add a photo to any day, jot a little note, and watch your month fill up with memories. The calendar view lets you see your whole month at a glance — every day a tiny window into your life. Tap any day to see your photo full-screen, with your note tucked underneath just the way you wrote it. What you can do: * Add a photo to each day — from your library or straight from your camera * See your whole month as a photo calendar at a glance * Tap any day for a full-screen photo and your personal note * Export your month view or a single day to keep or share Your memories stay yours. No accounts, no cloud, no servers. Everything lives on your phone — completely private, always. Free forever. No ads. No subscriptions. Just your days. Clean, minimal, and made for the little moments worth remembering.
Screenshots
Verdict
The clearest difference is in-app purchases: cal at none against SandMemo's 5. SandMemo's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.4). On price, rating, ratings volume and update cadence 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
Both are free to download. SandMemo sells 5 in-app purchases, starting at $0.99 per month. cal asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for SandMemo against 5.0 for cal. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
SandMemo ships an update every 5 days, cal every 10 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | SandMemo | cal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.4 |
| Further details — not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 广平 叶 | Begimay Ahmatova |
In-app purchases
SandMemo
- 1 month$0.991 Month
- 1 month7 Days trial$0.991 Month
- 1 year$7.991 Year
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- 1 year1 Month trial$7.991 Year
- lifetime$17.99
cal
No in-app purchases









