Comparison

Stellar Baby vs Tether Mental Load App

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Stellar Baby

Features
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Stellar Baby turns real-time temperature and humidity data into clear, actionable guidance so you always know your baby's environment is safe and comfortable. Connect your Orbie via Bluetooth and get instant readings on your phone. No complicated setup. No subscriptions. Just open the app, sync, and you're good to go. WHAT YOU GET Live temperature and humidity readings from your Orbie, straight to your phone. Colour-coded environment status so you can see at a glance how things are tracking. Historical temperature charts so you can spot patterns and trends across different environments over time. TOG-based sleepwear and clothing recommendations that adjust to current conditions. No guesswork about how many layers your baby needs. Custom alert thresholds for temperature and humidity ranges. You decide what's right for your baby. No forced alerts, no unnecessary panic. MULTIPLE DEVICES, MULTIPLE CAREGIVERS Add more than one Orbie to your account. Monitor the nursery, the pram, and grandma's house all from one app. Invite your partner, grandparents, or anyone else involved in caring for your baby. Each person manages their own alert preferences, so everyone stays informed without sharing a login. BUILT FOR REAL LIFE Orbie is portable. It goes wherever your baby goes: the nursery, the pram, the car, grandparents' place, holidays. Stellar Baby works across all of them. Battery life? Up to 60 days on a single charge. One less thing to think about. TRUSTED SAFETY CONTENT The app includes The Know, our evidence-based resource hub covering safe sleep, environment comfort, health, and practical guidance for Australian parents. Written by real parents, backed by trusted sources including Red Nose Australia. WHY STELLAR BABY A simple, portable way to monitor your baby's environment without overcomplicating things. No cameras. No wearables. No monthly fees. Just the information you actually need, presented clearly. The app displays and interprets environment data to support your caregiving decisions. It is not a medical device and does not replace supervision. Free to download. Works with Orbie, available at stellarbaby.com.au

About

Tether Mental Load App

This app provides a shared digital space for couples to manage household responsibilities and life planning. It helps divide recurring tasks, track assignments, and facilitates weekly planning sessions to ensure equitable distribution of domestic work.

Highlights
  • Shared task list for couples
  • Recurring task scheduling
  • Weekly planning check-ins
  • Calendar synchronization
  • Simple and intuitive design
Features
Read full description

The app that makes invisible labour visible, for both of you. Plan your week, divide recurring tasks, and stay on top of everything without one partner carrying it all. Tether gives you and your partner a shared space to organise household responsibilities, track who's doing what, and check in weekly so nothing falls through the cracks. Features: โ€ข Shared task list for both partners โ€ข Recurring tasks with flexible schedules โ€” daily, weekly, fortnightly, or monthly โ€ข Weekly check-in to plan the week ahead together โ€ข Calendar sync so your shared plan lives alongside your personal schedule โ€ข Simple, beautiful design built for busy couples Stop keeping score. Start sharing the load. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Stellar Baby4 screens
Tether Mental Load App3 screens

Verdict

The call

The clearest difference is in-app purchases: Stellar Baby at none against Tether Mental Load App's 3. Tether Mental Load App's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Tether Mental Load App sells 3 in-app purchases, starting at $5.99 per month. Stellar Baby asks for nothing beyond the download.

UpkeepUpdate frequency

Stellar Baby ships an update every 3 weeks, Tether Mental Load App every 8 days. The most recent releases landed on October 30, 2026 and October 20, 2026 respectively.

Scorecard2 real differences ยท 6 level
Stellar Baby versus Tether Mental Load App: the parameters behind the verdict, then further details
ParameterStellar BabyTether Mental Load App
PriceFreeFree
Positive reviewsโ€”100.0% of reviews
Update frequencyEvery 3 weeksEvery 8 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
Monetizationโ€”Freemium
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.415.1 โ€” better
Further details โ€” not scored
Size81 MB37 MB
Age rating4+4+
DeveloperStellar Baby Co. Pty LtdAshiey Hunt

In-app purchases

None

Stellar Baby

No in-app purchases

3 purchases

Tether Mental Load App

Subscriptions2
  • Tether Plus$5.991 Month
  • Tether Plus$39.991 Year
One-time1
  • Tether Plus โ€” Lifetime$99.99

Questions

Is Stellar Baby free?
Stellar Baby is free to download, with no in-app purchases.
Is Tether Mental Load App free?
Tether Mental Load App is free to download, with in-app purchases available.
Do Stellar Baby or Tether Mental Load App have ads?
Neither Stellar Baby nor Tether Mental Load App shows ads.
Which is updated more often, Stellar Baby or Tether Mental Load App?
Stellar Baby ships an update every 3 weeks, and Tether Mental Load App every 8 days. Most recently, Stellar Baby was updated on October 30, 2026 and Tether Mental Load App on October 20, 2026.

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