# iF vs Fastinate

The clearest difference is price: iF at Free against Fastinate's $0.99. Fastinate's advantage is in-app purchases (none vs 12). On update cadence, ads, device support and iOS requirement there is nothing between them.

iF is free to download; Fastinate costs $0.99 up front. iF sells 12 one-off in-app purchases. Fastinate asks for nothing beyond the download.

iF ships an update every 2 months, Fastinate monthly. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | iF | Fastinate |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 45 MB | 22 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hans Babylone](https://appshunter.io/developer/1550504166) | [Adam Golczak](https://appshunter.io/developer/1071926014) |

## What reviewers say

### iF

[App page](https://appshunter.io/ios/app/if-interfast/id1550503953)

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mediterranean Chicken | $0.99 | one-time |
| Fish Fillet in Tomatoes Garlic | $0.99 | one-time |
| Grilled Shrimp with Salsa | $0.99 | one-time |
| Salmon with Mango Salsa | $0.99 | one-time |
| Guacamole On Toast With Salad | $0.99 | one-time |
| Peppered Beef With Asparagus | $0.99 | one-time |
| Cauliflower Pizza | $0.99 | one-time |
| Chocolate Cupcake | $0.99 | one-time |
| Keto Pancake | $0.99 | one-time |
| Intermediate level | $2.99 | one-time |
| Experienced Level | $3.99 | one-time |
| Personalized & Statistics | $4.99 | one-time |


### Fastinate

[App page](https://appshunter.io/ios/app/fastinate-fasting-made-simple/id6743962270)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iF free?

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

### Is Fastinate free?

Fastinate costs $0.99, with no in-app purchases.

### Do iF or Fastinate have ads?

Neither iF nor Fastinate shows ads.

### Which is updated more often, iF or Fastinate?

iF ships an update every 2 months, and Fastinate monthly. Most recently, iF was updated on October 8, 2026 and Fastinate on October 10, 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.*