# D1 Journal vs CyberGuard Security

The clearest difference is price: D1 Journal at Free against CyberGuard Security's $1.99. D1 Journal also leads on ads (none vs shown) and iOS requirement (12.4 vs 17.2). CyberGuard Security's advantage is update cadence (every 9 days vs every 54 months). On in-app purchases and device support there is nothing between them.

D1 Journal is free to download; CyberGuard Security costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

D1 Journal ships an update every 54 months, CyberGuard Security every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | D1 Journal | CyberGuard Security |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 54 months | **Every 9 days** |
| Size | 4 MB | 22 MB |
| Requires iOS | **12.4** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ankush Girotra](https://appshunter.io/developer/1330355495) | [Reem Aldoy](https://appshunter.io/developer/1895934220) |

## What reviewers say

### D1 Journal

[App page](https://appshunter.io/ios/app/d1-journal/id1477148454)

**Features:** macOS Compatibility

**In-app purchases:** none


### CyberGuard Security

[App page](https://appshunter.io/ios/app/cyberguard-security/id6764841989)

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

**In-app purchases:** none


## Frequently asked questions

### Is D1 Journal free?

D1 Journal is free to download, with no in-app purchases.

### Is CyberGuard Security free?

CyberGuard Security costs $1.99, with no in-app purchases.

### Do D1 Journal or CyberGuard Security have ads?

CyberGuard Security shows ads; D1 Journal does not.

### Which is updated more often, D1 Journal or CyberGuard Security?

D1 Journal ships an update every 54 months, and CyberGuard Security every 9 days. Most recently, D1 Journal was updated on November 3, 2026 and CyberGuard Security on October 31, 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.*