# FastTrak vs SOL

The clearest difference is in-app purchases: SOL at none against FastTrak's 2. SOL also leads on iOS requirement (16 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. FastTrak sells 2 in-app purchases, starting at $9.99 per month. SOL asks for nothing beyond the download.

## The numbers

| Metric | FastTrak | SOL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 20 MB | 6 MB |
| Requires iOS | 26.0 | **16** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Bluebry](https://appshunter.io/developer/1850655649) | [Danny Linsner](https://appshunter.io/developer/1888416267) |

## What reviewers say

### FastTrak

[App page](https://appshunter.io/ios/app/fasttrak-fasting-timer/id6760903506)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastTrak Plus Mensual | $9.99 | per month |
| FastTrak Plus Anual | $49.99 | per year |


### SOL

[App page](https://appshunter.io/ios/app/sol-fasting-timer-and-tracker/id6761254200)

**In-app purchases:** none


## Frequently asked questions

### Is FastTrak free?

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

### Is SOL free?

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

### Do FastTrak or SOL have ads?

Neither FastTrak nor SOL shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*