# FastFlow vs Simple Calorie Log App

The clearest difference is in-app purchases: Simple Calorie Log App at none against FastFlow's 2. Simple Calorie Log App also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. FastFlow sells 2 in-app purchases, starting at $2.99 per month. Simple Calorie Log App asks for nothing beyond the download.

## The numbers

| Metric | FastFlow | Simple Calorie Log App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 2 MB | 30 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Renzo Ohhama](https://appshunter.io/developer/1812551739) | [Kentaro Masuoka](https://appshunter.io/developer/1874563405) |

## What reviewers say

### FastFlow

[App page](https://appshunter.io/ios/app/fastflow/id6755752536)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastFlow Premium - Monthly | $2.99 | per month |
| FastFlow Premium - Yearly | $22.99 | per year |


### Simple Calorie Log App

[App page](https://appshunter.io/ios/app/simple-calorie-log-app/id6758715655)

**In-app purchases:** none


## Frequently asked questions

### Is FastFlow free?

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

### Is Simple Calorie Log App free?

Simple Calorie Log App is free to download, with no in-app purchases.

### Do FastFlow or Simple Calorie Log App have ads?

Neither FastFlow nor Simple Calorie Log App shows ads.

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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.*