# Stellar Flow vs BlockToDo

The clearest difference is ads: BlockToDo at none against Stellar Flow's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Stellar Flow | BlockToDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Size | 45 MB | 11 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Heemann](https://appshunter.io/developer/587278115) | [Zrindy LLC](https://appshunter.io/developer/1876720455) |

## What reviewers say

### Stellar Flow

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

**Features:** macOS Compatibility

**In-app purchases:** none


### BlockToDo

[App page](https://appshunter.io/ios/app/blocktodo-stack-your-tasks/id6792984847)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Stellar Flow free?

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

### Is BlockToDo free?

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

### Do Stellar Flow or BlockToDo have ads?

Stellar Flow shows ads; BlockToDo does not.

### Which is updated more often, Stellar Flow or BlockToDo?

Stellar Flow ships an update every 3 days, and BlockToDo every 3 days. Most recently, Stellar Flow was updated on October 9, 2026 and BlockToDo on October 21, 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.*