# ServiSync vs One Question a Day

The clearest difference is in-app purchases: ServiSync at none against One Question a Day's 3. ServiSync also leads on iOS requirement (13.4 vs 17.6). One Question a Day's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads 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. ServiSync asks for nothing beyond the download.

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

## The numbers

| Metric | ServiSync | 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 | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 76 MB |
| Requires iOS | **13.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [LARA DIAS FERREIRA](https://appshunter.io/developer/1705189924) | [Agora Labs Ltda.](https://appshunter.io/developer/1846683084) |

## What reviewers say

### ServiSync

[App page](https://appshunter.io/ios/app/servisync/id6463858069)

**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 ServiSync free?

ServiSync 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 ServiSync or One Question a Day have ads?

Neither ServiSync nor One Question a Day shows ads.

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

ServiSync ships an update every 3 weeks, and One Question a Day every 3 days. Most recently, ServiSync was updated on October 3, 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.*