# Stellar Flow vs Cuboo

The clearest difference is in-app purchases: Stellar Flow at none against Cuboo's 3. Cuboo's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Cuboo sells 3 in-app purchases, starting at $3.99 per month. Stellar Flow asks for nothing beyond the download.

Stellar Flow ships an update every 3 days, Cuboo every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stellar Flow | Cuboo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stellar-flow-focus-timer/id6757545517/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Ad-supported | — |
| Size | 45 MB | 89 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Heemann](https://appshunter.io/developer/587278115) | [STEFAN-ANDREI HATEGAN](https://appshunter.io/developer/1814387683) |

## What reviewers say

### Stellar Flow

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

Transform focus sessions into an interstellar adventure. Earn resources, upgrade your starship, and explore a vast galaxy as you complete work, study, or meditation missions. Track your progress with detailed statistics and enjoy immersive soundscapes.

**Highlights:** Gamified focus sessions, Galaxy exploration map, Ship upgrading and customization, Immersive ambient soundscapes, Progress tracking and statistics, Live Activities support

**Features:** macOS Compatibility

**In-app purchases:** none


### Cuboo

[App page](https://appshunter.io/ios/app/cuboo-hyperfocus-timer/id6780962486)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cuboo Pro Monthly | $3.99 | per month |
| Cuboo Pro Annual | $18.99 | per year |
| Cuboo Pro Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Stellar Flow free?

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

### Is Cuboo free?

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

### Do Stellar Flow or Cuboo have ads?

Stellar Flow shows ads; Cuboo does not.

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

Stellar Flow ships an update every 3 days, and Cuboo every 5 days. Most recently, Stellar Flow was updated on October 25, 2026 and Cuboo on October 24, 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.*