Konstella vs COSMO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Konstella
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.
- Create announcements and newsletters
- Manage volunteer sign-ups
- Organize events
- Collect fees and donations
- Form interest-based social groups
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Konstella streamlines communications and helps parent organizations (i.e. PTA & PTOs) build close-knit parent communities. - By allowing committee chairs and room parents to create short announcements, long newsletters, volunteer sign-up sheets, and events, Konstella streamlines communications and makes school and classroom needs transparent to parents. - By helping parent organizations and room parents collect fees and donations, Konstella makes fundraising easy for treasurers and fundraiser volunteers. - By letting parents create interest-based Social Groups, such as Playdates for parents of young children and Hiking Parents for active parents, Konstella connects parents. This app is only useful if your school is running Konstella.
COSMO
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.
- 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
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Keep your kids safe and connected with the COSMO Mission Control parent app and JrTrack kids smart watch. With Mission Control, you have all the tools you need for safety, connection, and convenience right in the palm of your hand. JrTrack is the all-in-one wearable phone, watch, and GPS tracker that’s safe for kids and trusted by parents. It pairs seamlessly with the Mission Control parent app where you can: - Add and manage approved contacts and guardians for safety & security - Check your child’s location with reliable GPS tracking - Set custom geo-fence “SafeZones” and receive check-in alerts when your child enters or leaves a designated area - Set School Mode days and times to limit distractions - Track your child’s steps and set activity goals - Receive emergency alerts when your child activates SOS mode - Set custom alarms and reminders - Manage settings for your child’s JrTrack watch Loved by Parents & Kids “This was easy to set up and works wonderfully...I recommend this watch 100%” - Michele S. (TN) “We use this watch to stay in touch with my kids during the day while I’m at work. It’s a really nice thing being able to text your young kid to make sure they are okay during the day.” - Katie L (VA) “It's given us a lot of freedom and confidence” - Eric E (TX) Safe & Secure Completely COPPA compliant, safety certified, and data secure. It’s the confidence parents need, and families deserve. Connection without Compromise Families shouldn’t have to choose between connection and kids’ safety. With JrTrack and the COSMO: Mission Control app, you’re in control - no internet browsing or social media access, plus a completely customizable approved safe contact list. **The COSMO: Mission Control app is not compatible with first-generation JrTrack 1 devices.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 21, 2026 and September 11, 2026 respectively.
| Parameter | Konstella | COSMO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (780 ratings) — better | 3.1 (270 ratings) |
| Positive reviews | 56.3% of reviews | 59.8% of reviews — better |
| Number of ratings | 780 — better | 270 |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 20 MB |
| Age rating | 12+ | 4+ |
| Developer | Konstella Inc. | com.cosmo.smartwatch |
Customer experience
Konstella
COSMO
User reviews
Konstella
From 780 App Store ratingsWhat we love
- 🚀 Helps stay connected and scheduling
- 👍 Gets the Job Done
- 🚀 GAME CHANGER— school comms FINALLY all in ONE PLACE!
- 👍 Wonderful to be connected
- 👍 Awesome
Room to improve
- 🐛 Am I the only one whose kid moved schools?
- 🐛 Buggy
- 🐛 Not improving
- 🐛 Worse app ever
- 🐛 can't mark all notifications as read
COSMO
From 270 App Store ratingsWhat we love
- 🚀 Reliable tracking and communication
- 👍 User-friendly app and watch design
- 🔒 Parental controls and safety features
- 💡 Helpful for giving kids independence
Room to improve
- 🐛 Inconsistent location tracking and updates
- 🔋 Poor battery life
- 🔇 Unreliable call quality
- 🤔 Limited functionality compared to expectations
Bugs and requests
Konstella
Reported bugs
6 issues- 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
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- App contains features not available via the website; the website contains features not available on the app
Requested features
4 requests- Dark mode option
- Messages need Like buttons
- Mute button to selectively mute members
- Ability to have dates hyperlinked to iPhone calendar
COSMO
Reported bugs
4 issues- Activation and account setup issues
- Frequent app crashes and freezes
- Inconsistent connectivity and service disruptions
- Inability to disable watch without parental access
Requested features
4 requests- 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
In-app purchases
Konstella
No in-app purchases
COSMO
No in-app purchases








