# Parul University Library vs HeadFast™

The clearest difference is in-app purchases: Parul University Library at none against HeadFast™'s 2. HeadFast™'s advantage is update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeadFast™ sells 2 in-app purchases, starting at $9.99 per month. Parul University Library asks for nothing beyond the download.

Parul University Library ships an update every 2 months, HeadFast™ weekly. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Parul University Library | HeadFast™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/headfast-stop-overthinking/id6769825532/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 72 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Parul University](https://appshunter.io/developer/1129663482) | [DecideFast LLC](https://appshunter.io/developer/1811491351) |

## What reviewers say

### Parul University Library

[App page](https://appshunter.io/ios/app/parul-university-library/id6502776015)

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

**In-app purchases:** none


### HeadFast™

[App page](https://appshunter.io/ios/app/headfast-stop-overthinking/id6769825532)

This app helps users break free from repetitive thoughts and overthinking. Simply type what's on your mind, and receive a concise response to help you move on faster. It's designed for everyday mental loops, not crisis situations.

**Highlights:** Type and receive instant responses, Break free from repetitive thoughts, Overcome indecision quickly, No setup or lengthy routines, Focus on reality checks, not advice

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Hits | $9.99 | per month |
| Get unlimited hits | $39.99 | per year |


## Frequently asked questions

### Is Parul University Library free?

Parul University Library is free to download, with no in-app purchases.

### Is HeadFast™ free?

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

### Do Parul University Library or HeadFast™ have ads?

Neither Parul University Library nor HeadFast™ shows ads.

### Which is updated more often, Parul University Library or HeadFast™?

Parul University Library ships an update every 2 months, and HeadFast™ weekly. Most recently, Parul University Library was updated on October 24, 2026 and HeadFast™ on October 12, 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.*