# Fasting interval 16 vs Intermittent Fasting Tracker

The clearest difference is review sentiment: Intermittent Fasting Tracker at 97% against Fasting interval 16's 50%. Fasting interval 16's advantage is in-app purchases (none vs 20) and iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Intermittent Fasting Tracker sells 17 in-app purchases, starting at $0.99 per month. Fasting interval 16 asks for nothing beyond the download.

Fasting interval 16 ships an update weekly, Intermittent Fasting Tracker every 10 days. The most recent releases landed on June 1, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Fasting interval 16 | Intermittent Fasting Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (51K ratings)](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6448909309/reviews)** |
| Number of ratings | — | **51K** |
| Positive reviews | 50.0% of reviews | **96.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 109 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [Dirk Storjohann](https://appshunter.io/developer/1456635825) | [Kai Oelfke](https://appshunter.io/developer/644779478) |

## 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


### Intermittent Fasting Tracker

[App page](https://appshunter.io/ios/app/intermittent-fasting-tracker/id6448909309)

This app offers a straightforward and private way to track intermittent fasting. It supports iPhone and Apple Watch, providing essential features like widgets, notifications, and progress charts without any advertisements. Ideal for both beginners and experienced fasters, it focuses on a simple user interface to support health and wellness goals.

**Highlights:** Interactive Widgets, Notifications, Streaks & Badges, Charts & Trends, Fasting Zones, iCloud Sync, Dark Mode

**Features:** Apple Watch app

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fasty Monthly Donation | $0.99 | per month |
| Fasty Basic Monthly | $0.99 | per month |
| Fasty Monthly Donation | $1.99 | per month |
| Fasty Basic Monthly | $1.99 | per month |
| Fasty Monthly Donation | $2.99 | per month |
| Fasty Basic Yearly | $4.99 | per year |
| Fasty Basic Yearly | $6.69 | per year |
| Fasty Pro Monthly | $6.99 | per month |
| Fasty Pro Yearly | $19.99 | per year |
| One Time Donation | $4.99 | one-time |
| Fasty Basic One Time | $9.99 | one-time |
| One Time Donation | $9.99 | one-time |
| One Time Donation | $14.99 | one-time |
| One Time Donation | $24.99 | one-time |
| One Time Donation | $34.99 | one-time |
| Fasty Pro One Time | $49.99 | one-time |
| One Time Donation | $49.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward fasting tracking
- 🔒 No ads or subscriptions
- 💡 Customizable fasting times
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Occasional issues with time tracking
- 💡 Desire for more customization options
- 💡 Request for monthly/yearly fasting view
- 💡 Interest in adding notes or logging features

**Reported bugs**

- Overlapping fasting/eating windows reported
- Inconsistencies in fasting time calculations

**Requested features**

- Ability to schedule and set reminders for fasts
- Option to manually log ketosis levels
- Export or share fasting data
- More detailed fasting stage information


## Frequently asked questions

### Is Fasting interval 16 free?

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

### Is Intermittent Fasting Tracker free?

Intermittent Fasting Tracker is free to download, with in-app purchases available.

### Do Fasting interval 16 or Intermittent Fasting Tracker have ads?

Neither Fasting interval 16 nor Intermittent Fasting Tracker shows ads.

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

Fasting interval 16 ships an update weekly, and Intermittent Fasting Tracker every 10 days. Most recently, Fasting interval 16 was updated on June 1, 2026 and Intermittent Fasting Tracker on October 1, 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.*