# The 18 vs SipFirst

The clearest difference is ads: The 18 at none against SipFirst's shown. The 18 also leads on monetization model (free vs free with in-app purchases) and ratings volume (401 vs 1). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. The 18 sells 2 in-app purchases, starting at $19.99 per month and SipFirst sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for The 18 against 5.0 for SipFirst. That said, the two scores are not equally well evidenced: The 18 has 401 ratings behind it against 1, so its average is the more settled of the two.

The 18 ships an update every 10 days, SipFirst every 3 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The 18 | SipFirst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (401 ratings)](https://appshunter.io/ios/app/the-18-minute-workout/id1229243879/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sipfirst/id6762204124/reviews)** |
| Number of ratings | **401** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 185 MB | 80 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The People's Chemist](https://appshunter.io/developer/664985272) | [PlentyCompany, Inc](https://appshunter.io/developer/1052072137) |

## What reviewers say

### The 18

[App page](https://appshunter.io/ios/app/the-18-minute-workout/id1229243879)

This fitness app offers a science-backed workout designed to optimize hormone balance, burn fat, and build muscle in just 18 minutes. It leverages the principle of hormesis to stimulate adaptive responses for enhanced strength and endurance.

**Highlights:** 18-minute workout routine, Harnesses hormesis for adaptive response, Optimizes hormone balance, Incinerates fat, Builds muscle, Enhances strength and endurance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $19.99 | per month |
| Annual | $196.99 | per year |


### SipFirst

[App page](https://appshunter.io/ios/app/sipfirst/id6762204124)

This app encourages healthy hydration by linking water intake to app access. Users drink water to unlock their device's applications, turning a daily habit into a rewarding experience.

**Highlights:** Drink water to unlock apps, Hydration tracking, App access control, Promotes healthy habits

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is The 18 free?

The 18 is free to download, with in-app purchases available.

### Is SipFirst free?

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

### Which has better reviews, The 18 or SipFirst?

SipFirst is rated higher. The 18 averages 4.9 out of 5 from 401 ratings, while SipFirst averages 5.0 from 1 ratings.

### Do The 18 or SipFirst have ads?

SipFirst shows ads; The 18 does not.

### Which is updated more often, The 18 or SipFirst?

The 18 ships an update every 10 days, and SipFirst every 3 weeks. Most recently, The 18 was updated on November 2, 2026 and SipFirst on October 31, 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.*