# Stellar vs Cosmie

The clearest difference is in-app purchases: Stellar at none against Cosmie's 2. Cosmie's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Cosmie sells 2 in-app purchases, starting at $3.99 per 7 days. Stellar asks for nothing beyond the download.

Stellar ships an update every 2 months, Cosmie every 5 days. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Stellar | Cosmie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cosmie-focus-and-grow-planets/id6771450970/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 7 MB | 97 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Julian Khuy](https://appshunter.io/developer/1878590402) | [Yakup Acis](https://appshunter.io/developer/1671032278) |

## What reviewers say

### Stellar

[App page](https://appshunter.io/ios/app/stellar-study-timer/id6760194209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmie

[App page](https://appshunter.io/ios/app/cosmie-focus-and-grow-planets/id6771450970)

Transform focus sessions into a growing universe. Earn planets, coins, and maintain streaks by completing timed work or study sessions. Block distracting apps and collaborate with friends to build shared worlds.

**Highlights:** Gamified focus timer, Planet collection and customization, Distracting app blocking (Focus Shield), Collaborative focus universes, Streak tracking and progress calendar, Daily focus goals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is Stellar free?

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

### Is Cosmie free?

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

### Do Stellar or Cosmie have ads?

Neither Stellar nor Cosmie shows ads.

### Which is updated more often, Stellar or Cosmie?

Stellar ships an update every 2 months, and Cosmie every 5 days. Most recently, Stellar was updated on October 3, 2026 and Cosmie on October 11, 2026.

---

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