# NightFast vs PRYSTN Strength

The clearest difference is monetization model: NightFast at freemium against PRYSTN Strength's subscription. PRYSTN Strength's advantage is iOS requirement (16.6 vs 18.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. NightFast sells 3 in-app purchases, starting at $4.99 per month and PRYSTN Strength sells 3 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | NightFast | PRYSTN Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/nightfast/id6757072489/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | **Freemium** | Subscription |
| Size | 22 MB | 95 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Kollin Croyle](https://appshunter.io/developer/1812242881) | [PRYSTN LTD](https://appshunter.io/developer/6780966032) |

## What reviewers say

### NightFast

[App page](https://appshunter.io/ios/app/nightfast/id6757072489)

This app helps shift workers track intermittent fasting windows that align with their unique schedules. It offers flexible tracking, custom schedules, and smart features like offline functionality and dark mode, all while prioritizing user privacy.

**Highlights:** Custom fasting schedules for shift work, Flexible tracking for various protocols, Visual timeline of fasting/eating windows, Notifications aligned with sleep schedules, Offline functionality, Dark mode optimized for night shifts

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NightFast Pro Monthly | $4.99 | per month |
| NightFast Pro Yearly | $29.99 | per year |
| NightFast Pro Lifetime | $59.99 | one-time |


### PRYSTN Strength

[App page](https://appshunter.io/ios/app/prystn-strength/id6780966030)

This app offers structured strength training programs with clear tutorials for various equipment. It's designed to help users build muscle, lose fat, and increase strength through progressive workouts and advanced training systems.

**Highlights:** Expertly designed strength training workouts, Clear exercise tutorials, Progressive training programs, Support for barbells, dumbbells, kettlebells, and weighted vests, Minimal equipment workout options, Muscle building and fat loss focus

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $19.99 | per month |
| 3 Month Membership | $49.99 | per 3 months |
| Yearly Membership | $199.99 | per year |


## Frequently asked questions

### Is NightFast free?

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

### Is PRYSTN Strength free?

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

### Do NightFast or PRYSTN Strength have ads?

Neither NightFast nor PRYSTN Strength shows ads.

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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.*