Fishkeeper vs PetOwner+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fishkeeper
Manage and maintain your aquarium or pond with this comprehensive app. Track water parameters, schedule maintenance, and log activities to ensure a healthy aquatic environment. Ideal for both beginner and expert fishkeepers.
- Unlimited aquarium and pond creation
- Extensive livestock library
- Maintenance schedule with notifications
- Water parameter tracking with graphs
- Activity logging
- Expert tips and resources
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Fishkeeper is the ultimate app for managing and maintaining your aquarium or pond. Developed by expert fishkeepers at Maidenhead Aquatics, the UK’s leading aquatic retail group, this app helps you achieve the most from your fishkeeping hobby, whether you're a beginner or an expert. This free app provides a comprehensive solution for recording, tracking, and maintaining your aquatic environments, taking the guesswork out of fishkeeping. It’s perfect for both advanced fishkeepers and beginners. ● Create Unlimited Aquariums and Ponds: Compatible with all marine and freshwater setups. ● Extensive Livestock Library: Add fish, invertebrates, and plants or scan in-store fish labels. ● Comprehensive Maintenance Schedule: Set adjustable notifications for optimal care. ● Water Parameter Tracking: Record and monitor key parameters with detailed graphs. ● Bespoke Data Ranges: Ensure water parameters stay within ideal values. ● Activity Logging: Map all activities for easy reference and early problem detection. ● Expert Resources: Access best practices, tips, and FAQs for optimal fish care. Accessible Anywhere, Anytime: Manage your fishkeeping plans and resources wherever you go with our mobile-friendly app. Join thousands of satisfied users who trust Fishkeeper to maintain their underwater worlds. Download now and take the first step towards a healthier, happier aquarium or pond.
PetOwner+
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PetOwner+ is your pet's welfare coach — a calm, encouraging companion that helps you understand your dog, cat, horse, rabbit, bird, fish, reptile or small mammal more deeply every day. Built around modern animal welfare science (the Five Domains framework), the app turns daily observations into clear, gentle guidance. No more guessing whether your pet is thriving - see exactly where they stand, what's working, and small changes that often make a noticeable difference within weeks. WHAT'S INCLUDED: PET PROFILES • Full profiles for every species and breed • Track age, sex, weight, microchip and notes • Add unlimited pets to one account • Share pets with family members so everyone can log together BEHAVIOUR LOGGING • Quick log any behaviour with a 1–5 severity slider • Track triggers, time of day and contextual notes • Pattern detection across weeks and months • Quick "Fed" / "Walked" buttons for daily routines WELFARE SCORING • A clear 0–100 welfare score for every pet • Five empathetic bands: Thriving · Positive · Moderate · Opportunity to Enhance · Priority Review • Trend graphs showing how welfare changes over time • Never alarmist — always encouraging and actionable BREED INSIGHTS (NEW) • Tailored guidance for every breed across every species • Heritage & purpose — what they were selectively bred for • Evolved needs — innate drives still present today • Tailored exercise and mental stimulation ideas • Welfare watchpoints unique to the breed • Diet, weight and health considerations HEALTH RECORDS & WEIGHT HISTORY • Vaccination records, vet visits, medications • Full weight history with trend tracking • Microchip storage • One-tap vet-friendly PDF export to share at your next appointment AI WELFARE COACH • Always-available welfare assistant that learns from real professionals • Ask anything about your pet's wellbeing, behaviour or routine • Calm, evidence-based answers tailored to your pet's profile WELFARE CHECK-INS • Quick daily/weekly check-ins on appetite, energy, mood and routines • Gentle nudges via notifications — never naggy SMART REMINDERS • Native datetime pickers — exact, accurate scheduling • Daily, weekly, monthly and yearly recurrence • Push notifications when something's due LEARN • Curated welfare articles filtered by your pet's species and breed • Search by keyword across welfare and behaviour topics • Beautiful, distraction-free reading experience TAILORED ENRICHMENT • Activity plans matched to your pet's species, breed and current welfare scores • Refreshed regularly with new ideas ACHIEVEMENTS • Celebrate the small wins on your pet's welfare journey • Friendly progress milestones that recognise consistency NUTRITION CALCULATOR • Daily calorie targets based on species, weight and activity • Treat budgeting to avoid weight gain SEASONAL ALERTS • Context-aware welfare reminders for hot summers, cold winters, fireworks season and more • Adjusts automatically for southern-hemisphere users PRIVACY FIRST • Strict per-user data isolation — your pet's data is never shared • Hard account deletion in one tap • Apple, Google and email sign-in supported PETMEMBER+ PREMIUM: Free users get the core welfare logging, scoring and a generous daily AI Welfare Coach quota. PetMember+ Premium unlocks: • Unlimited AI Welfare Coach • Advanced personalised insights • Tailored enrichment plans • Welfare trend tracking and historical reporting • Pattern detection across triggers and time of day • Personalised learning content Subscription auto-renews at the end of each period unless cancelled at least 24 hours before the renewal date. Manage or cancel at any time from your account settings. PetOwner+ adapts to your pet's species and breed to give you advice that genuinely fits. That's what your pet deserves. That's PetOwner+ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Fishkeeper at none against PetOwner+'s 2. PetOwner+'s advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement 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. PetOwner+ sells 2 in-app purchases, starting at $2.99 per month. Fishkeeper asks for nothing beyond the download.
Fishkeeper ships an update every 5 weeks, PetOwner+ every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Fishkeeper | PetOwner+ |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 85.3% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 40 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Superb Media | Kayleigh Lindsay |
In-app purchases
Fishkeeper
No in-app purchases
PetOwner+
- PetMember+ Monthly$2.991 Month
- PetMember+ Annual$34.991 Year









