# Curieous vs Mastermind Timer

The clearest difference is in-app purchases: Mastermind Timer at none against Curieous's 5. Mastermind Timer also leads on ads (none vs shown). Curieous's advantage is update cadence (every 4 days vs every 5 weeks) and iOS requirement (12.4 vs 16.4). On price and device support there is nothing between them.

Both are free to download. Curieous sells 5 in-app purchases, starting at $9.90 per month. Mastermind Timer asks for nothing beyond the download.

Curieous ships an update every 4 days, Mastermind Timer every 5 weeks. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Curieous | Mastermind Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/curieous-tell-founder-stories/id6445838553/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 50 MB |
| Requires iOS | **12.4** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Curieous Vietnam Limited Company](https://appshunter.io/developer/1674111066) | [Duc Huy Pham](https://appshunter.io/developer/1804515567) |

## What reviewers say

### Curieous

[App page](https://appshunter.io/ios/app/curieous-tell-founder-stories/id6445838553)

Transform your startup story into engaging LinkedIn posts with AI-powered templates. Simply record a 2-minute voice note about your business, and the app crafts compelling content to attract customers, investors, and talent.

**Highlights:** AI-powered viral post templates, 2-minute voice note to post conversion, Attract customers, investors, and talent, Proprietary AI fine-tuned on founder stories, Goal-conditioned content generation, Proven results from founders

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Friend of Ruby Plan | $9.90 | per month |
| POWER Creator mode | $19.99 | per month |
| INFLUENCER mode | $69.99 | per month |
| CXO Exclusive Plan | $399.00 | per month |
| Pay per use | $4.99 | one-time |


### Mastermind Timer

[App page](https://appshunter.io/ios/app/mastermind-timer/id6744639059)

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

**In-app purchases:** none


## Frequently asked questions

### Is Curieous free?

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

### Is Mastermind Timer free?

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

### Do Curieous or Mastermind Timer have ads?

Curieous shows ads; Mastermind Timer does not.

### Which is updated more often, Curieous or Mastermind Timer?

Curieous ships an update every 4 days, and Mastermind Timer every 5 weeks. Most recently, Curieous was updated on October 9, 2026 and Mastermind Timer 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.*