Reefability vs iFieldSurvey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reefability
This AI-powered app offers scientific precision for managing coral reef aquariums. It analyzes microbiome health, water chemistry, and light optimization, and can identify issues from tank photos. It provides tools for hobbyists and professionals to maintain thriving reef ecosystems.
- AI-driven analysis of reef tank health
- Smart photo diagnostics for issue identification
- Evidence-based solutions and recommendations
- Ecosystem stability insights
- Professional tools for reef stores and professionals
- Integrated parameter monitoring
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The reef app that sees your whole tank. Reefability connects your chemistry, livestock, light, flow, microbiome and dosing, so every answer takes your entire reef into account. Built for reef tanks only, by reefers who did the research first. Reefability was the first AI-powered reef aquarium app, and it has now been rebuilt from the ground up as Reefability Symbiosis. YOUR TANK, BUILT RIGHT Guided tank setup, drawn live as you go, with the true water volume after sand and rock Cycling mode and Quarantine mode, each with the tools that stage needs Farm and grow-out tanks, plus connected systems that share one body of water REEF MAP Turn one front photo into a 3D model of your real rockwork Place your lights and pumps, then tap any spot for estimated PAR and flow Every coral is graded against the light and flow where it actually sits CHEMISTRY AND NUTRIENTS Log readings by voice, by photo of your test kit, or from your controller Upload ICP and DOC lab reports and see risks and trends on the same charts Ideal ranges that follow your tank, so a soft coral reef isn't held to SPS numbers See whether your filtration keeps up with your bioload, and which method does the work DOSING 400+ supplements from 27 brands, with strengths taken from each maker's label Dose suggestions based on your latest test and your water volume Connected dosers, bottle tracking and reminders Captiv8, Triton, Red Sea and Modern Reef dosing methods LIVESTOCK AND CORALS Add animals by name, by photo, or by scanning your store receipt Care sheets for 500+ species, with bioload and tankmate warnings before you buy Coral Growth: a photo every two weeks tracks size, pace and color over time Compatibility reports that show what to expect before you add an animal PESTS AND MICROBIOME Identify pests from photos, pin them on your 3D tank, and follow them until they're gone A microbiome care score, with guided recovery after medication or a deep clean SAFETY PLANS Weather and air quality alerts for your area, turned into prep lists sized for your tank Smoke warnings if your skimmer pulls in outdoor air Know how many hours your pumps will run on backup power PEOPLE AROUND YOUR REEF Sitter mode: give a sitter a simple code, daily tasks and a help button Experts: book a video call with a reef expert who sees your tank data ahead of time Reefers: share your tank, ask the community and join testing challenges FOR STORES, FARMS AND MAINTENANCE COMPANIES Team mode: manage staff with their own access codes, assign tasks per tank, and keep client tank details and routes in one place REEFER AI An assistant that reads your entire tank, not just one number Charts on demand when numbers need a picture Talk out loud when your hands are wet, and leave voice notes CONNECTED Works with reef controllers and test devices, including Neptune Apex, GHL, Red Sea, CoralVue Hydros, Aquarino, Jabao, Focustronic, Aquawiz and Xepta. Available in multiple languages.
iFieldSurvey
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Collecting surveys at a trade show, retail counter, or classroom? No signal, no backend, no problem — iFieldSurvey turns any iPhone or iPad into a self-service response kiosk, with every answer kept on-device. • Fully offline: zero backend, zero third-party dependencies — build, collect, and analyze without a network • Five question types: single choice, multiple choice, text, rating, and NPS, plus branching logic and auto-graded exams • Kiosk mode: an idle attract screen, oversized touch targets, and an automatic return to the welcome screen after each submission — built for unattended booths • Local Wi-Fi distribution: generate a QR code so attendees fill in the form from their own phone browser, with data never leaving your network • Offline lottery with redemption codes: spin the wheel on-site, issue a one-time redemption code for prizes, and prevent the same code from being claimed twice • Live results wall: a real-time Swift Charts dashboard for response counts, distributions, and NPS — perfect for a booth display • One-tap CSV/PDF export with custom brand colors • iPad split view, business card scanning, voice notes, location fencing, and multi-device LAN aggregation for more demanding events No subscription trap — pay once and own it forever, or choose monthly/yearly Pro for a single event. Download iFieldSurvey and make your next event, classroom, or store survey fast and reliable. Apple Official User Documentation (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Reefability at 4 against iFieldSurvey's 1. Reefability also leads on iOS requirement (15.0.0 vs 17.0). On price, 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. Reefability sells 9 in-app purchases, starting at $9.99 per month and iFieldSurvey sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Reefability | iFieldSurvey |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (32 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 32 — better | — |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 85 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Reefability | Naihe Hu |
In-app purchases
Reefability
- 1-Month2 Months trial$9.991 Month
- Controller plan (monthly)$11.991 Month
- 12-Month$34.991 Year
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- Controller plan (annual)$49.991 Year
- Day pass$1.99
- 5 tank rebuilds$2.99
- Week pass$4.99
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- 15 tank rebuilds$6.99
- Month pass$12.99
iFieldSurvey
- MonthlyPro$2.991 Month
- YearlyPro$24.991 Year
- ClassicLifetimePro$39.99









