# Simplenote vs OneDiary

Simplenote and OneDiary are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Simplenote sells 2 in-app purchases, starting at $19.99 per month and OneDiary sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Simplenote ships an update fortnightly, OneDiary monthly. The most recent releases landed on September 29, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Simplenote | OneDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.3K ratings)](https://appshunter.io/ios/app/simplenote/id289429962/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 86.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | — |
| Size | 11 MB | 241 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Automattic](https://appshunter.io/developer/335703883) | [OneDiary (Dongguan) Technology Co., Ltd](https://appshunter.io/developer/1609976911) |

## What reviewers say

### Simplenote

[App page](https://appshunter.io/ios/app/simplenote/id289429962)

Capture ideas, create to-do lists, and jot down thoughts effortlessly. Organize your notes with tags and pins, and find them instantly with search. Your content syncs across all devices for free, ensuring it's always accessible.

**Highlights:** Simple note-taking experience, Cross-device syncing, Collaboration and sharing, Organization with tags, Instant search, To-do list creation, Passcode lock

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simplenote Sustainer Monthly | $19.99 | per month |
| Simplenote Sustainer Yearly | $199.99 | per year |

**What reviewers like**

- 💻 Cross-platform availability
- 🔍 Reliable search functionality
- 🌐 Seamless syncing across devices
- 📝 Simple, distraction-free interface
- 🔒 Secure with password/fingerprint protection

**What reviewers complain about**

- 🔖 Limited formatting options (no bold, italic, etc.)
- 🗂️ Lack of folder organization
- 🔄 Occasional syncing issues
- 🖼️ Unable to add images or attachments
- 🔍 Search could be improved for long notes

**Reported bugs**

- Notes sometimes disappear or get duplicated
- App crashes or freezes on certain devices
- Syncing problems between mobile and desktop

**Requested features**

- Add bold, italic, and other formatting options
- Implement folder-based organization
- Improve syncing reliability across devices
- Allow adding images, files, and other attachments
- Enhance search capabilities for long notes


### 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 |


## Frequently asked questions

### Is Simplenote free?

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

### Is OneDiary free?

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

### Do Simplenote or OneDiary have ads?

Neither Simplenote nor OneDiary shows ads.

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

Simplenote ships an update fortnightly, and OneDiary monthly. Most recently, Simplenote was updated on September 29, 2026 and OneDiary on September 7, 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.*