# Konstella vs COSMO

The clearest difference is rating: Konstella at 4.5 against COSMO's 3.1. Konstella also leads on update cadence (every 4 days vs every 2 months). COSMO's advantage is iOS requirement (16.0 vs 18.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Konstella holds the better App Store score, 4.5 against 3.1. Both are backed by a comparable volume of ratings — 780 and 270 respectively. Written reviews complicate that: 56% of Konstella's written reviews are positive against 60% of COSMO's, so the app with the better star average is not the one people write more warmly about.

Konstella ships an update every 4 days, COSMO every 2 months. The most recent releases landed on September 25, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Konstella | COSMO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (780 ratings)](https://appshunter.io/ios/app/konstella/id960556868/reviews)** | [3.1 (270 ratings)](https://appshunter.io/ios/app/cosmo-mission-control/id1580600845/reviews) |
| Number of ratings | **780** | 270 |
| Positive reviews | 56.3% of reviews | **59.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 24 MB | 20 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Konstella Inc.](https://appshunter.io/developer/967535902) | [com.cosmo.smartwatch](https://appshunter.io/developer/1525824151) |

## What reviewers say

### Konstella

[App page](https://appshunter.io/ios/app/konstella/id960556868)

This app facilitates communication and community building for parent organizations like PTAs and PTOs. It enables the creation of announcements, newsletters, volunteer sign-ups, and event postings, while also simplifying fee collection and donations. Parents can also form interest-based social groups to connect with each other.

**Highlights:** Create announcements and newsletters, Manage volunteer sign-ups, Organize events, Collect fees and donations, Form interest-based social groups

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Helps stay connected and scheduling
- 👍 Gets the Job Done
- 🚀 GAME CHANGER— school comms FINALLY all in ONE PLACE!
- 👍 Wonderful to be connected
- 👍 Awesome

**What reviewers complain about**

- 🐛 Am I the only one whose kid moved schools?
- 🐛 Buggy
- 🐛 Not improving
- 🐛 Worse app ever
- 🐛 can't mark all notifications as read

**Reported bugs**

- Can't delete an odd committee thread even after leaving the group
- No longer spell check and the bullets/numbers don't work
- Scrolling issues, can't select and copy text, can't bookmark or set aside important messages, can't open links from messages, impossible to organize messages and events
- Impossible to update my kids school, no way to contact Konstella, no way to remove the old profile and add a new one
- Group chat function issues - messages not loading, group disappearing and reappearing

**Requested features**

- Dark mode option
- Messages need Like buttons
- Mute button to selectively mute members
- Ability to have dates hyperlinked to iPhone calendar


### COSMO

[App page](https://appshunter.io/ios/app/cosmo-mission-control/id1580600845)

This app allows parents to manage a child's smart watch for safety and communication. It offers GPS tracking, contact management, and customizable alerts for peace of mind. Parents can also monitor activity and set quiet times for school.

**Highlights:** GPS location tracking, Approved contact management, Geo-fence 'SafeZone' alerts, School Mode for distraction-free learning, SOS emergency alerts, Activity tracking and goals, Customizable alarms and reminders

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable tracking and communication
- 👍 User-friendly app and watch design
- 🔒 Parental controls and safety features
- 💡 Helpful for giving kids independence

**What reviewers complain about**

- 🐛 Inconsistent location tracking and updates
- 🔋 Poor battery life
- 🔇 Unreliable call quality
- 🤔 Limited functionality compared to expectations

**Reported bugs**

- Activation and account setup issues
- Frequent app crashes and freezes
- Inconsistent connectivity and service disruptions
- Inability to disable watch without parental access

**Requested features**

- Improved location tracking accuracy and real-time updates
- Ability for all approved contacts to text the child
- Integrated parental portal within the app
- Additional features like video calling, night mode, and more customization


## Frequently asked questions

### Is Konstella free?

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

### Is COSMO free?

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

### Which has better reviews, Konstella or COSMO?

Konstella is rated higher. Konstella averages 4.5 out of 5 from 780 ratings, while COSMO averages 3.1 from 270 ratings.

### Do Konstella or COSMO have ads?

Neither Konstella nor COSMO shows ads.

### Which is updated more often, Konstella or COSMO?

Konstella ships an update every 4 days, and COSMO every 2 months. Most recently, Konstella was updated on September 25, 2026 and COSMO on September 11, 2026.

---

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