# Stellar Flow vs Study Drop

The clearest difference is in-app purchases: Stellar Flow at none against Study Drop's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Study Drop sells 2 one-off in-app purchases. Stellar Flow asks for nothing beyond the download.

## The numbers

| Metric | Stellar Flow | Study Drop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 days | — |
| Size | 45 MB | 59 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Heemann](https://appshunter.io/developer/587278115) | [Sota Ninomiya](https://appshunter.io/developer/1896680147) |

## What reviewers say

### Stellar Flow

[App page](https://appshunter.io/ios/app/stellar-flow-focus-timer/id6757545517)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Drop

[App page](https://appshunter.io/ios/app/study-drop/id6787487369)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOKYO PACK | $0.99 | one-time |
| KYOTO PACK | $0.99 | one-time |


## Frequently asked questions

### Is Stellar Flow free?

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

### Is Study Drop free?

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

### Do Stellar Flow or Study Drop have ads?

Both Stellar Flow and Study Drop show ads.

---

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