# Q vs One Question a Day

The clearest difference is in-app purchases: Q at none against One Question a Day's 3. Q also leads on iOS requirement (15.0 vs 17.6). One Question a Day's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. One Question a Day sells 3 in-app purchases, starting at $1.99 per 7 days. Q asks for nothing beyond the download.

Q ships an update every 6 days, One Question a Day every 3 days. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Q | One Question a Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/one-question-a-day-diary/id6754101081/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 107 MB | 76 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dong Hwan Choi](https://appshunter.io/developer/1760185617) | [Agora Labs Ltda.](https://appshunter.io/developer/1846683084) |

## What reviewers say

### Q

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

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

**In-app purchases:** none


### One Question a Day

[App page](https://appshunter.io/ios/app/one-question-a-day-diary/id6754101081)

This app encourages daily self-reflection with thought-provoking questions. Track your personal growth, review past answers, and build a habit of mindfulness and self-discovery through guided prompts and a complete answer history.

**Highlights:** Daily thought-provoking questions, Personalized prompts based on answers, Weekly answer reviews, Complete history of responses, Profile tracking for streaks and growth, Mindfulness and self-inquiry exercises

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription - Weekly | $1.99 | per 7 days |
| Pro Subscription - Annual | $22.99 | per year |
| Lifetime License - Pay once | $24.99 | one-time |


## Frequently asked questions

### Is Q free?

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

### Is One Question a Day free?

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

### Do Q or One Question a Day have ads?

Q shows ads; One Question a Day does not.

### Which is updated more often, Q or One Question a Day?

Q ships an update every 6 days, and One Question a Day every 3 days. Most recently, Q was updated on October 19, 2026 and One Question a Day on October 15, 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.*