# Simple Daily Diary vs One Line a Day Diary

The clearest difference is ads: Simple Daily Diary at none against One Line a Day Diary's shown. Simple Daily Diary also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). One Line a Day Diary's advantage is update cadence (every 5 weeks vs every 50 months). On price and in-app purchases there is nothing between them.

Both are free to download. Simple Daily Diary sells 1 one-off in-app purchase and One Line a Day Diary sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Simple Daily Diary ships an update every 50 months, One Line a Day Diary every 5 weeks. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Simple Daily Diary | One Line a Day Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.3K ratings)](https://appshunter.io/ios/app/simple-daily-diary/id1232014505/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 52.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 50 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 45 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dmytro Vynokurov](https://appshunter.io/developer/350017076) | [Vasilii Polovnikov](https://appshunter.io/developer/1716165883) |

## What reviewers say

### Simple Daily Diary

[App page](https://appshunter.io/ios/app/simple-daily-diary/id1232014505)

Capture your everyday moments with a fast, easy, and beautifully designed journaling app. Add custom titles, personalize with themes, and easily find past entries with smart search. Sync across devices and enjoy local backups for peace of mind.

**Highlights:** Add custom titles to entries, 20+ handpicked color themes, Smart search by date or keywords, Share thoughts and memories, iCloud sync between iPhone and iPad, Local device backup

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Diary | $6.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Straightforward diary format
- 🚀 Clean and fast interface

**What reviewers complain about**

- 🔒 No password or lock feature
- 📤 Limited storage space without paid upgrade
- 🐛 Inconsistent behavior with paid upgrade
- 🔄 Inability to edit/add past entries

**Reported bugs**

- Paid upgrade not working as expected
- Entries disappearing or not saving properly
- Freezing or crashing when using certain features

**Requested features**

- Add password/lock feature
- Increase storage space or make it truly unlimited
- Allow editing and adding of past entries
- Provide cloud backup/sync option
- Offer more customization options (colors, fonts, etc.)


### One Line a Day Diary

[App page](https://appshunter.io/ios/app/one-line-a-day-diary/id6775442948)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |
| Premium | $3.99 | per month |
| Premium | $5.99 | per year |


## Frequently asked questions

### Is Simple Daily Diary free?

Simple Daily Diary is free to download, with in-app purchases available.

### Is One Line a Day Diary free?

One Line a Day Diary is free to download, with in-app purchases available.

### Do Simple Daily Diary or One Line a Day Diary have ads?

One Line a Day Diary shows ads; Simple Daily Diary does not.

### Which is updated more often, Simple Daily Diary or One Line a Day Diary?

Simple Daily Diary ships an update every 50 months, and One Line a Day Diary every 5 weeks. Most recently, Simple Daily Diary was updated on October 29, 2026 and One Line a Day Diary on October 19, 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.*