# Q vs Question Diary 365

The clearest difference is in-app purchases: Q at none against Question Diary 365's 2. Q also leads on iOS requirement (13.0 vs 17.0). Question Diary 365's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Question Diary 365 sells 2 in-app purchases, starting at $4.99 per month. Q asks for nothing beyond the download.

Q ships an update every 5 weeks, Question Diary 365 every 6 weeks. The most recent releases landed on September 15, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Q | Question Diary 365 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Size | 59 MB | 126 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dong Hwan Choi](https://appshunter.io/developer/1760185617) | [Masami Mitsuta](https://appshunter.io/developer/1803880391) |

## What reviewers say

### Q

[App page](https://appshunter.io/ios/app/q-diary/id6590635808)

**Features:** macOS Compatibility

**In-app purchases:** none


### Question Diary 365

[App page](https://appshunter.io/ios/app/question-diary-365/id6777899186)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Q free?

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

### Is Question Diary 365 free?

Question Diary 365 is free to download, with in-app purchases available.

### Do Q or Question Diary 365 have ads?

Q shows ads; Question Diary 365 does not.

### Which is updated more often, Q or Question Diary 365?

Q ships an update every 5 weeks, and Question Diary 365 every 6 weeks. Most recently, Q was updated on September 15, 2026 and Question Diary 365 on September 20, 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.*