Reefability vs Focus or Ketchup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reefability
This app helps manage complex reef aquariums by integrating chemistry, livestock, lighting, and flow data. It provides AI-driven insights, guided setup, and pest identification to optimize tank health and coral growth.
- AI-driven reef tank analysis
- Guided tank setup and cycling modes
- 3D reef map with PAR and flow estimation
- Chemistry logging via voice or photo
- Dosing suggestions and supplement tracking
- Livestock care sheets and compatibility reports
- Pest identification and tracking
- Weather and safety alerts
Read full descriptionHide full description
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.
Focus or Ketchup
Read full descriptionHide full description
Starting is easy. Finishing is the job. Focus or ketchup is a character-driven focus timer for people who need more than a gentle reminder. Accept one focus job, put your phone down, and keep the promise you made to yourself and to Focus Family. Focus Family keeps time, calls you back from breaks, and puts every completed job on the record. FOCUS ON ONE JOB - Start a 25-minute focus job in seconds - Hear spoken cues for starts, warnings, breaks, pauses, and results. You’d better listen to the Family. - Follow a 25-minute focus and 5-minute break rhythm - Take a 20-minute big break after every four completed jobs SEE THE WORK ADD UP - Count completed jobs and focused minutes - Check your current focus streak - Review the last seven days in Focus Family record book - Keep your focus history stored locally on your device - Use the app without creating an account JOIN FOCUS FAMILY (let the Family protect your focus) Full Focus Family membership gives you stronger tools for jobs that need extra protection: - Focus Lock shields the apps and websites you choose while a focus job is running - Keep Your Word Mode removes the pause and abandon options after you give your word - Custom Timers let you set the length of focus jobs, short breaks, big breaks, and cycles Monthly and annual Full Focus Family subscriptions unlock the same three features. Prices and any available trial terms are shown on the purchase screen before you subscribe. Subscriptions renew automatically unless canceled in your Apple Account settings. REMEMBER One job at a time. Make a promise. Keep it, or else... ------------------------------------------------ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is device support: Reefability at 5 against Focus or Ketchup's 1. On price, ads, in-app purchases 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. Reefability sells 9 in-app purchases, starting at $9.99 per month and Focus or Ketchup sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Reefability | Focus or Ketchup |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (40 ratings) — better | — |
| Positive reviews | 41.7% of reviews | — |
| Number of ratings | 40 — better | — |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch — better | iPhone |
| Requires iOS | 15.0.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 123 MB | 49 MB |
| Age rating | 4+ | 12+ |
| Developer | Reefability | Mobi-net.pl |
In-app purchases
Reefability
- 1-Month2 Months trial$9.991 Month
- Controller plan (monthly)$11.991 Month
- 12-Month$34.991 Year
Show 1 moreShow fewer
- Controller plan (annual)$49.991 Year
- Day pass$1.99
- 5 tank rebuilds$2.99
- Week pass$4.99
Show 2 moreShow fewer
- 15 tank rebuilds$6.99
- Month pass$12.99
Focus or Ketchup
- Full Family Membership$1.991 Month
- Full Family Annual7 Days trial$17.991 Year
Questions
Is Reefability free?
Is Focus or Ketchup free?
Do Reefability or Focus or Ketchup have ads?
Other comparisons















