Heyrex vs ONMOON
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heyrex
This app monitors your dog's activity, location, and well-being, alerting you to concerning changes in behavior. It provides real-time data, historical summaries, and rewards for proactive pet care.
- Activity and location monitoring
- Well-being score and alerts
- Behavioral pattern analysis
- Real-time temperature alerts
- Reward points system
- Daily, weekly, monthly summaries
- Pet care diary
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Heyrex2 is a device that fits on your dog’s collar, monitoring their activity, location and wellbeing, building a profile of your dogs activity patterns and wellbeing and alerting you to any concerning changes to their behaviour. It also allows you to locate your dog, see where it is or where it has been. Heyrex records your dogs behaviour, including: Exercise levels, scratching, sleep quality and other behavioural or health issues and presents you with a wellbeing number so you can understand how your dog is at the highest level. Using cellular connectivity, Heyrex2 uploads data regularly to giving you alerts if your dog is too hot or cold, if their behaviour changes, improves or indicates a health problem. Heyrex2 provides real-time wellbeing information, alerts and location wherever cellular and GPS services are available. Earn Wag-o's reward points by caring for your pets wellbeing. Wag-o's can be used for discounts on petrol, pet treats, food, flea treatments and more. Daily, weekly and monthly summaries in user-friendly graphs that are simple to understand. It even has a diary function so you can record key milestones in your companion’s life and set diary inputs for things like next worm or flea treatment due. Heyrex is safe, light and ergonomically designed as well as waterproof and durable. Depending on settings used, the battery will last up to 2114 days and your dog won't even know it is there. Quick setup and instant rewards for you and your dog in just minutes.
ONMOON
This app offers simple, playful tools for anxiety relief, turning mental health support into an enjoyable experience. It features interactive gratitude exercises, calming breathing techniques, and achievable self-care tracking. Designed by and for anxious individuals, it provides immediate support without feeling like a chore.
- Interactive gratitude bubble popping
- Guided breathing exercises with visual cues
- Micro-win tracking for self-care
- Affirmations and mood boosts
- Community-contributed motivational quotes
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Welcome to ONMOON. Mental health support that doesn't feel like homework. ONMOON is a free mental health app built by anxious people, for anxious people. No therapy waitlists. No $200 sessions. No overwhelming features. Just simple, playful tools that actually help when your brain won't shut up at 3am. WHY ONMOON IS DIFFERENT We turned anxiety management into something that feels like play, not work. Pop gratitude bubbles. Breathe with a glowing orb. Track tiny wins like "drank water today." Because when you're anxious, you don't need profound - you need something that works right now. INTERACTIVE GRATITUDE Forget boring journal prompts. Pop floating bubbles on your screen: things like "clear skin," "my partner's laugh," "bright stars," "pilates class." Tap them and they disappear with a satisfying pop. It's oddly therapeutic, and it actually works. BREATHING THAT DOESN'T SUCK Our breathing exercises use an interactive glowing ball that expands and contracts with you. No boring timers. No manual breathing awareness that makes it worse. Just a calming visual that helps you reset. ACHIEVABLE SELF-CARE Did you drink water today? Wash your hands with warm water? Text someone you care about? That's IT. That's self-care. We track micro-wins because sometimes getting out of bed IS the achievement. No 5am wake-ups or jade rollers required. MOOD BOOST Little affirmations that feel like texts from a friend: "You can start again tomorrow and I'll still be in your corner." Choose your focus: health, career, love, or just surviving today. We've got you. 100% FREE. FOREVER. Not "free trial." Not "free with limited features." Actually free. Because you're already paying rent - mental health support shouldn't cost extra. We believe that the most powerful encouragement comes from real people. We are proud to announce our collaboration with Voice of Help (VOH) and the students of Rangitoto College New Zealand. Over 30 students came together to contribute 100+ original, motivational quotes specifically for our Health, Me, Career, and Love categories. These "anchors" were written to provide genuine support during difficult times, ensuring that when you open ONMOON, you are met with the collective strength of a community that cares. WHO IS ONMOON FOR? People stuck on 6-month therapy waitlists Anyone who can't afford $200/session Folks who find traditional mental health apps too clinical People who need help at 2:47am, not during business hours Anyone tired of apps that feel like homework We're not trying to replace therapy. We're building a bridge for the millions who can't access it - or just need something that works RIGHT NOW. Download ONMOON. Your 3am brain will thank you. MEDICAL DISCLAIMER ONMOON is not a medical device. The content, tools, and information provided within the app are for informational and educational purposes only. ONMOON is not a substitute for professional medical advice, diagnosis, or treatment.Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical or mental health condition. Never disregard professional medical advice or delay in seeking it because of something you have read or experienced on ONMOON.
Screenshots
Verdict
The clearest difference is review sentiment: ONMOON at 100% against Heyrex's 33%. Heyrex's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence, ads and in-app purchases 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.
Heyrex ships an update every 2 months, ONMOON monthly. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.
| Parameter | Heyrex | ONMOON |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 21 MB | 25 MB |
| Age rating | 12+ | 4+ |
| Developer | Heyrex International Limited | Evgeniya Barinova |
Customer experience
Heyrex
ONMOON
In-app purchases
Heyrex
No in-app purchases
ONMOON
No in-app purchases









