# Fasting interval 16 vs DBT Ulm

The clearest difference is iOS requirement: Fasting interval 16 at 11.0 against DBT Ulm's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fasting interval 16 ships an update weekly, DBT Ulm every 10 days. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Fasting interval 16 | DBT Ulm |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free | — |
| Size | 25 MB | 29 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Dirk Storjohann](https://appshunter.io/developer/1456635825) | [Universität Ulm](https://appshunter.io/developer/735929543) |

## 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


### DBT Ulm

[App page](https://appshunter.io/ios/app/dbt-ulm/id6748690732)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fasting interval 16 free?

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

### Is DBT Ulm free?

DBT Ulm is free to download, with no in-app purchases.

### Do Fasting interval 16 or DBT Ulm have ads?

Neither Fasting interval 16 nor DBT Ulm shows ads.

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

Fasting interval 16 ships an update weekly, and DBT Ulm every 10 days. Most recently, Fasting interval 16 was updated on October 12, 2026 and DBT Ulm on October 3, 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.*