# Study Timer vs SandFlow

The clearest difference is in-app purchases: Study Timer at none against SandFlow's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SandFlow sells 1 one-off in-app purchase. Study Timer asks for nothing beyond the download.

## The numbers

| Metric | Study Timer | SandFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 18 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tsukasa Kuriyama](https://appshunter.io/developer/1865591063) | [Sajith Madusanka](https://appshunter.io/developer/1872102752) |

## What reviewers say

### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-simple-tracker/id6757253213)

**Features:** macOS Compatibility

**In-app purchases:** none


### SandFlow

[App page](https://appshunter.io/ios/app/sandflow-focus-timer/id6762086917)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy a coffee | $1.99 | one-time |


## Frequently asked questions

### Is Study Timer free?

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

### Is SandFlow free?

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

### Do Study Timer or SandFlow have ads?

Neither Study Timer nor SandFlow 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.*