# Fasting Tracker Simple vs FastFlow

The clearest difference is update cadence: FastFlow at every 2 days against Fasting Tracker Simple's every 2 weeks. Fasting Tracker Simple's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Fasting Tracker Simple sells 6 one-off in-app purchases and FastFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Fasting Tracker Simple ships an update every 2 weeks, FastFlow every 2 days. The most recent releases landed on September 19, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | Fasting Tracker Simple | FastFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 64 MB | 35 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Muhammad bin Yusrat](https://appshunter.io/developer/1663267111) | [Uprise iX LLC](https://appshunter.io/developer/1809234369) |

## What reviewers say

### Fasting Tracker Simple

[App page](https://appshunter.io/ios/app/fasting-tracker-simple/id6741857110)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $1 support | $0.99 | one-time |
| $5 support | $4.99 | one-time |
| $10 support | $9.99 | one-time |
| $20 support | $19.99 | one-time |
| $50 support | $49.99 | one-time |
| $100 support | $99.99 | one-time |


### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-intermittent-fasting/id6758635076)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Weekly Subscription | $8.99 | per 7 days |


## Frequently asked questions

### Is Fasting Tracker Simple free?

Fasting Tracker Simple is free to download, with in-app purchases available.

### Is FastFlow free?

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

### Do Fasting Tracker Simple or FastFlow have ads?

Neither Fasting Tracker Simple nor FastFlow shows ads.

### Which is updated more often, Fasting Tracker Simple or FastFlow?

Fasting Tracker Simple ships an update every 2 weeks, and FastFlow every 2 days. Most recently, Fasting Tracker Simple was updated on September 19, 2026 and FastFlow on June 26, 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.*