# OneDiary vs EncryptaNote

The clearest difference is update cadence: EncryptaNote at every 2 days against OneDiary's monthly. OneDiary's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OneDiary sells 4 in-app purchases, starting at $0.99 per month and EncryptaNote sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OneDiary ships an update monthly, EncryptaNote every 2 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OneDiary | EncryptaNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 241 MB | 13 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [OneDiary (Dongguan) Technology Co., Ltd](https://appshunter.io/developer/1609976911) | [Hongwen Yang](https://appshunter.io/developer/390857595) |

## What reviewers say

### OneDiary

[App page](https://appshunter.io/ios/app/onediary-journal-and-note/id1610312891)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneDiary Pro Monthly | $0.99 | per month |
| Pro Member Yearly | $9.99 | per year |
| One month of OneDiary Pro | $0.99 | one-time |
| OneDiary Pro Permanently | $29.99 | one-time |


### EncryptaNote

[App page](https://appshunter.io/ios/app/encryptanote/id6781063693)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium Access | $5.99 | one-time |


## Frequently asked questions

### Is OneDiary free?

OneDiary is free to download, with in-app purchases available.

### Is EncryptaNote free?

EncryptaNote is free to download, with in-app purchases available.

### Do OneDiary or EncryptaNote have ads?

Neither OneDiary nor EncryptaNote shows ads.

### Which is updated more often, OneDiary or EncryptaNote?

OneDiary ships an update monthly, and EncryptaNote every 2 days. Most recently, OneDiary was updated on October 9, 2026 and EncryptaNote on October 24, 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.*