# IF vs Fasting Timer 16

The clearest difference is device support: Fasting Timer 16 at 3 against IF's 1. Fasting Timer 16 also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. IF sells 2 in-app purchases, starting at $1.99 per month and Fasting Timer 16 sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

IF ships an update every 5 weeks, Fasting Timer 16 every 2 months. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IF | Fasting Timer 16 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/if-intermittent-fasting-timer/id6756562104/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Freemium | — |
| Size | 45 MB | 42 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Serhii Hodlevskyi](https://appshunter.io/developer/1742123107) | [Mohamed Baddou](https://appshunter.io/developer/1867890628) |

## What reviewers say

### IF

[App page](https://appshunter.io/ios/app/if-intermittent-fasting-timer/id6756562104)

This app simplifies intermittent fasting with a focus on consistency and a calm approach. It offers customizable fasting schedules, clear progress tracking, and hydration reminders without collecting personal data.

**Highlights:** One-tap start/stop for fasting, Multiple fasting plan options, Customizable fasting schedules, Visual progress tracking, Weight and BMI tracking, Built-in water tracker, Private data storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Yearly | $14.99 | per year |


### Fasting Timer 16

[App page](https://appshunter.io/ios/app/fasting-timer-168-tracker/id6757883746)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium | $4.99 | per month |
| Premium | $34.99 | per year |
| Premium Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is IF free?

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

### Is Fasting Timer 16 free?

Fasting Timer 16 is free to download, with in-app purchases available.

### Do IF or Fasting Timer 16 have ads?

Neither IF nor Fasting Timer 16 shows ads.

### Which is updated more often, IF or Fasting Timer 16?

IF ships an update every 5 weeks, and Fasting Timer 16 every 2 months. Most recently, IF was updated on September 22, 2026 and Fasting Timer 16 on October 7, 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.*