# FlipFit vs Empty

The clearest difference is in-app purchases: FlipFit at none against Empty's 3. FlipFit also leads on ads (none vs shown). Empty's advantage is update cadence (every 10 days vs every 26 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Empty sells 3 in-app purchases, starting at $19.99 per month. FlipFit asks for nothing beyond the download.

FlipFit ships an update every 26 months, Empty every 10 days. The most recent releases landed on October 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | FlipFit | Empty |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (4 ratings)](https://appshunter.io/ios/app/empty-intermittent-fasting/id1623174687/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 26 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 40 MB |
| Requires iOS | 15.6 | **15.2** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FLIPFIT LTD](https://appshunter.io/developer/1601251147) | [MGP DIGITAL](https://appshunter.io/developer/1268665472) |

## What reviewers say

### FlipFit

[App page](https://appshunter.io/ios/app/flipfit/id1601251055)

**Features:** macOS Compatibility

**In-app purchases:** none


### Empty

[App page](https://appshunter.io/ios/app/empty-intermittent-fasting/id1623174687)

This app helps users achieve weight loss goals and improve metabolic health through intermittent fasting. It offers personalized fasting plans, progress tracking, and educational content to support a healthy lifestyle.

**Highlights:** Fasting timer with progress monitoring, Customizable fasting plans, Weight and water intake tracking, Body status and metabolic insights, Daily educational content, Health app integration

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Access | $19.99 | per month |
| 3 Months Access | $26.49 | per 3 months |
| 12 Months Access | $45.99 | per year |


## Frequently asked questions

### Is FlipFit free?

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

### Is Empty free?

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

### Do FlipFit or Empty have ads?

Empty shows ads; FlipFit does not.

### Which is updated more often, FlipFit or Empty?

FlipFit ships an update every 26 months, and Empty every 10 days. Most recently, FlipFit was updated on October 2, 2026 and Empty on October 16, 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.*