Comparison

fishkeepr vs Aquarium Tracker

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

Head to head
About

fishkeepr

Features
Read full description

fishkeepr strives to be the all-encompassing aquarium management app built for hobbyists who take their tanks seriously and want to learn all they can in order to help their aquatic pals thrive. Whether that's building a perfect community, promoting healthy breeding habits, or simply just soaking all the information in, we want to be here for you. Test the compatibility of different species, track the health of your current stock, log and your track water parameters, set maintenance notifications to get smart alerts before problems become disasters, browse a growing equipment catalog to add your equipment to your tank, calculate and log your dosing, or search for any species you can think of — all in this one app. Features: • 3 Free fishLens scans! • Water parameter logging with charts and trend analysis • Livestock profiles with health logs and history • Species compatibility checks including guided information • Finances card to track your spending and income • Equipment tracking with maintenance reminders • Dosing calculator and tracking • 2300+ species database with care guides • Import & Export iCloud Backup • Create an unlimited amount of tanks • Add your own photos to truly make your tank yours! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cadenah.github.io/fishkeepr-privacy/

About

Aquarium Tracker

Monitor your aquarium's water quality with detailed tracking and smart alerts. Identify fish species from photos, check compatibility, and get reminders for essential maintenance to keep your aquatic life healthy.

Highlights
  • Water parameter logging (pH, ammonia, nitrate, etc.)
  • Smart alerts for critical water values
  • AI-powered fish species identification
  • Fish compatibility checker
  • Nitrogen cycle guide for beginners
  • Maintenance reminders (water changes, testing)
  • Private, no account required
Features
Read full description

Your fish don’t die from bad luck. They die from bad water. Aquarium Tracker helps you detect problems early and tells you exactly what to do — no guesswork. Track your aquarium, understand your water, and take action before it’s too late. No account. No ads. --- TRACK YOUR WATER PARAMETERS Log your water tests in seconds: • pH, ammonia, nitrite, nitrate • Temperature, GH, KH • Salinity for saltwater tanks Spot dangerous trends before they become a problem. --- GET SMART ALERTS — NOT JUST NUMBERS When something is wrong, Aquarium Tracker doesn’t just show it. It tells you what to do. • Instant alerts on critical values • Clear, prioritized fix suggestions • Act fast to protect your fish No more guessing. No more searching forums. --- IDENTIFY ANY FISH FROM A PHOTO Not sure what you're looking at? Snap a photo. Aquarium Tracker tells you what it is. • AI-powered species recognition • Jumps straight to the species card • Or pre-fills the "add to tank" form in one tap No more forum threads. No more Google searches. --- CHECK FISH COMPATIBILITY Browse a built-in database of 300+ aquarium species. Before adding a new fish: • See ideal water parameters • Detect incompatibilities • Avoid aggression and stress Build a healthy tank with confidence. --- UNDERSTAND THE NITROGEN CYCLE New tank? Follow a simple 4-phase guide to: • Understand what's normal • Anticipate each stage • Know when your tank is ready Perfect for beginners starting their first aquarium. --- NEVER MISS MAINTENANCE Stay consistent: • Water change reminders • Filter cleaning alerts • Testing schedule Your tank stays stable. Your fish stay healthy. --- BEGINNER FRIENDLY — EXPERT READY Start simple, go deeper when you're ready. Whether it’s your first fish tank or your fifth, Aquarium Tracker adapts to you. --- PRIVATE • No account required • No tank data leaves your device • Your parameters stay on your iPhone Photo identification uses AI and requires an internet connection. --- Stop guessing your water. Start understanding it.

Screenshots

fishkeepr4 screens
Aquarium Tracker4 screens

Verdict

The call

The clearest difference is update cadence: Aquarium Tracker at daily against fishkeepr's every 4 days. fishkeepr's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

fishkeepr ships an update every 4 days, Aquarium Tracker daily. Both last shipped on October 31, 2026.

Scorecard2 real differences · 7 level
fishkeepr versus Aquarium Tracker: the parameters behind the verdict, then further details
ParameterfishkeeprAquarium Tracker
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size66 MB38 MB
Age rating4+4+
DeveloperCADEN ALEC HENDERSONMaxime Lang

In-app purchases

None

fishkeepr

No in-app purchases

None

Aquarium Tracker

No in-app purchases

Questions

Is fishkeepr free?
fishkeepr is free to download, with no in-app purchases.
Is Aquarium Tracker free?
Aquarium Tracker is free to download, with no in-app purchases.
Do fishkeepr or Aquarium Tracker have ads?
Neither fishkeepr nor Aquarium Tracker shows ads.
Which is updated more often, fishkeepr or Aquarium Tracker?
fishkeepr ships an update every 4 days, and Aquarium Tracker daily. Most recently, fishkeepr was updated on October 31, 2026 and Aquarium Tracker on October 31, 2026.

Other comparisons