Tankly vs Tankstead
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tankly
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Tankly is your aquarium care companion for keeping every tank organized, healthy, and easier to understand. Track your aquarium’s water parameters, care routines, livestock, and progress in one place. Whether you keep a freshwater, planted, cichlid, shrimp, goldfish, FOWLR, or reef tank, Tankly helps you stay on top of what matters. TRACK WATER PARAMETERS Log important water tests such as pH, ammonia, nitrate, temperature, GH, KH, and other enabled parameters. Keep a history of your measurements and use trend charts to see how your tank changes over time. STAY ON TOP OF AQUARIUM CARE Create and follow care schedules with reminders and task tracking. See today’s care tasks, upcoming maintenance, completion history, statistics, and a tank health score that helps you understand your care routine. MANAGE YOUR LIVESTOCK Keep track of the fish, invertebrates, corals, and other inhabitants in each tank. Add photos, species, quantities, notes, and health logs so important details stay with your aquarium. GET AI AQUARIUM GUIDANCE Ask the AI aquarium advisor questions using your tank’s context. Get guidance based on the information you have recorded, explore suggested prompts, and attach images when you need help describing what you see. CAPTURE YOUR AQUARIUM’S PROGRESS Build a photo timeline for your tank and look back at how it changes over time. SYNC YOUR DATA Sign in with your account and keep your aquarium data synced across your devices. PREMIUM FEATURES Upgrade to Tankly Premium for: • Unlimited tanks • Tank photo timelines • PDF and CSV data export • Higher AI usage limits Built for aquarium hobbyists who want more than a simple logbook, Tankly brings water tracking, maintenance, livestock records, trends, and AI guidance together in one focused app. Start tracking your tank and make aquarium care easier with Tankly. Privacy policy - https://smilesoft.store/Documents/Tankly/privacy-policy.html Terms of use - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Tankstead
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Keep every aquarium’s routine, readings, and history organized in one place. Tankstead is an aquarium maintenance tracker designed to make consistent care easier. Record water parameters, schedule recurring tasks, manage stock and equipment, and build a useful history for each tank. WATER TESTING • Record temperature, pH, ammonia, nitrite, nitrate, GH, KH, TDS, and CO₂ • Enter exact, estimated, or ranged results • Set custom target ranges and choose which parameters you track • Review recent readings and changes over time • Estimate CO₂ from pH and KH when appropriate MAINTENANCE • Create one-time or recurring maintenance schedules • Log water changes with percentage, volume, notes, and photos • Receive optional reminders for upcoming tasks • Complete, snooze, edit, pause, or delete schedules • See upcoming and completed care on your calendar STOCK AND EQUIPMENT • Track fish, invertebrates, plants, and aquarium equipment • Record additions, removals, losses, and transfers • Store quantities, photos, and notes • Maintain a separate inventory for each aquarium BUILT FOR MULTIPLE TANKS • Keep separate settings, schedules, stock, and history for every tank • Copy water-parameter settings and maintenance schedules between aquariums • Choose US customary or metric units • Use light, dark, or system appearance YOUR AQUARIUM HISTORY • Browse water tests and maintenance records in the logbook • Continue recording information offline and sync when connected • Export your records as CSV or JSON • Sign in securely with Apple Tankstead helps you remember what happened, understand what is due, and keep a consistent record as each aquarium changes over time. Tankstead does not diagnose livestock health or provide veterinary treatment recommendations. Target ranges are provided for organization and should be configured for your aquarium’s inhabitants.
Screenshots
Verdict
The clearest difference is in-app purchases: Tankstead at none against Tankly's 2. On price, update cadence, ads 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
Both are free to download. Tankly sells 2 in-app purchases, starting at $2.99 per month. Tankstead asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | Tankly | Tankstead |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 68 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Habibur Rahman | Carter Liu |
In-app purchases
Tankly
- Monthly plan$2.991 Month
- Premium Yearly$29.991 Year
Tankstead
No in-app purchases








