# Locked Secrets Diary vs cal

The clearest difference is update cadence: Locked Secrets Diary at every 4 days against cal's every 10 days. Locked Secrets Diary also leads on iOS requirement (17.6 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Locked Secrets Diary ships an update every 4 days, cal every 10 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Locked Secrets Diary | cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cal-diary/id6766692881/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free |
| Size | 14 MB | 1 MB |
| Requires iOS | **17.6** | 26.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Roman Rudych](https://appshunter.io/developer/1883545600) | [Begimay Ahmatova](https://appshunter.io/developer/1896315951) |

## What reviewers say

### Locked Secrets Diary

[App page](https://appshunter.io/ios/app/locked-secrets-diary/id6760317245)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### cal

[App page](https://appshunter.io/ios/app/cal-diary/id6766692881)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is Locked Secrets Diary free?

Locked Secrets Diary is free to download, with no in-app purchases.

### Is cal free?

cal is free to download, with no in-app purchases.

### Do Locked Secrets Diary or cal have ads?

Neither Locked Secrets Diary nor cal shows ads.

### Which is updated more often, Locked Secrets Diary or cal?

Locked Secrets Diary ships an update every 4 days, and cal every 10 days. Most recently, Locked Secrets Diary was updated on October 11, 2026 and cal on October 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*