# FlexiFact vs Fast

The clearest difference is in-app purchases: Fast at none against FlexiFact's 5. Fast also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). FlexiFact's advantage is iOS requirement (13.4 vs 26.0). On price and device support there is nothing between them.

Both are free to download. FlexiFact sells 5 in-app purchases, starting at $7.00 per 7 days. Fast asks for nothing beyond the download.

FlexiFact ships an update monthly, Fast every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FlexiFact | Fast |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 35 MB |
| Requires iOS | **13.4** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Lukas Visinskis](https://appshunter.io/developer/1639409744) | [CodeHive](https://appshunter.io/developer/1196672412) |

## What reviewers say

### FlexiFact

[App page](https://appshunter.io/ios/app/flexifact-calorie-deficit-app/id6471127408)

Easily create personalized meal plans based on your preferred foods. This app helps you achieve fat loss goals by generating customized recipes tailored to your choices. It offers various subscription options for enhanced features.

**Highlights:** Customized meal plan generation, User-selected food choices, Fat loss recipe suggestions, Multiple subscription tiers, Online coaching option

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Online coaching | $7.00 | per 7 days |
| Pro Monthly | $14.99 | per month |
| Pro yearly | $29.99 | per year |
| 6 months membership | $49.99 | per 6 months |
| Pro Yearly | $59.99 | per year |


### Fast

[App page](https://appshunter.io/ios/app/fast-intermittent-fasting/id6741595659)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlexiFact free?

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

### Is Fast free?

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

### Do FlexiFact or Fast have ads?

FlexiFact shows ads; Fast does not.

### Which is updated more often, FlexiFact or Fast?

FlexiFact ships an update monthly, and Fast every 2 weeks. Most recently, FlexiFact was updated on October 24, 2026 and Fast on October 25, 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.*