# Fasting interval 16 vs Fastpal

The clearest difference is review sentiment: Fastpal at 100% against Fasting interval 16's 50%. Fasting interval 16's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Fastpal sells 2 in-app purchases, starting at $3.99 per month. Fasting interval 16 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Fasting interval 16 | Fastpal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/fastpal-intermittent-fasting/id6450714763/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 50 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Dirk Storjohann](https://appshunter.io/developer/1456635825) | [Shaun Panjabi](https://appshunter.io/developer/1694542504) |

## What reviewers say

### Fasting interval 16

[App page](https://appshunter.io/ios/app/fasting-interval-168/id1494623370)

This app helps you track your intermittent fasting schedule. Simply input your fasting start time, and it will monitor your progress and notify you when your fasting interval concludes. It's designed to support your intermittent fasting journey.

**Highlights:** Intermittent fasting tracking, Fasting start time input, Fasting interval end notification, Supports 16:8 fasting schedule, Proven effectiveness support

**Features:** macOS Compatibility

**In-app purchases:** none


### Fastpal

[App page](https://appshunter.io/ios/app/fastpal-intermittent-fasting/id6450714763)

This app simplifies intermittent fasting with an easy-to-use timer and tracking features. It helps you monitor your fasting progress with reminders and a history log. Future updates promise personalized plans and insights.

**Highlights:** Intuitive fasting timer, Fasting history log, Customizable reminders, Ad-free experience, Upcoming personalized plans, Progress insights

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastpal Plus | $3.99 | per month |
| Fastpal Plus | $19.99 | per year |


## Frequently asked questions

### Is Fasting interval 16 free?

Fasting interval 16 is free to download, with no in-app purchases.

### Is Fastpal free?

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

### Do Fasting interval 16 or Fastpal have ads?

Fastpal shows ads; Fasting interval 16 does not.

### Which is updated more often, Fasting interval 16 or Fastpal?

Fasting interval 16 ships an update weekly, and Fastpal weekly. Most recently, Fasting interval 16 was updated on November 3, 2026 and Fastpal on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*