Comparison

Aquarist's Notes vs TankPulse

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

Head to head
About

Aquarist's Notes

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Aquarium health monitoring app. The Aquarist's Notes allows you to record important water parameters such as temperature, pH, hardness and other factors that affect fish and plant health, add notes and keep a diary. You can add photos from the system photo album directly to the app and add comments or save documents such as aquarium inventory guides. All of this information will be easily accessible and organized right in the app. The Aquarist's Notes will make calculations related to water treatment easier. The app provides accurate calculations of the amount of additives and chemicals you need for proper water treatment in aquariums. Calculators are available for calculating water volume depending on tank dimensions and amount of decorations, for unit conversions and more. Reminders and a calendar will simplify your aquarium maintenance planning and you'll never forget anything important again. Thanks to iCloud, all information can be available on all your devices. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://aquariumnote.lvslo.eu/app-privacy.html

About

TankPulse

Features
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TankPulse is the Local-First companion for serious aquarium keepers โ€” saltwater and freshwater. Log your parameters in seconds and get smart, rule-based warnings before a crash โ€” not AI gimmicks. Everything lives on your phone; your data is yours forever. - Track saltwater (Alk/Ca/Mgโ€ฆ) and freshwater (GH/CO2/TDSโ€ฆ) parameters with trend charts - Smart alerts: Alk swings, low Ca, salinity jumps (ATO faults), rising nutrients - Step-by-step cycling guide for new tanks (live rock / dry rock) - Two-Part dosing calculator - Maintenance reminders, livestock profiles, unlimited diary - Full JSON/CSV export โ€” no lock-in - 5 languages, light/dark themes - One-time $9.99 Pro โ€” no subscription, no annual cloud fee Your tank. Your data. TankPulse.

Screenshots

Aquarist's Notes4 screens
TankPulse4 screens

Verdict

The call

The clearest difference is update cadence: Aquarist's Notes at every 6 days against TankPulse's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Aquarist's Notes sells 2 in-app purchases, starting at $1.99 per month and TankPulse sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Aquarist's Notes ships an update every 6 days, TankPulse monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
Aquarist's Notes versus TankPulse: the parameters behind the verdict, then further details
ParameterAquarist's NotesTankPulse
PriceFreeFree
Update frequencyEvery 6 days โ€” betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, Mac โ€” betteriPhone, iPod
Requires iOS16.415.1 โ€” better
Further details โ€” not scored
Size16 MB35 MB
Age rating4+4+
DeveloperLudek SloufTZU HSUN LIN

In-app purchases

2 purchases

Aquarist's Notes

Subscriptions2
  • Monthly subscription7 Days trial$1.991 Month
  • Annual subscription1 Month trial$9.991 Year
3 purchases

TankPulse

One-time3
  • Equipment Management$2.99
  • Multiple Tanks$4.99
  • ReefFlow Pro$9.99

Questions

Is Aquarist's Notes free?
Aquarist's Notes is free to download, with in-app purchases available.
Is TankPulse free?
TankPulse is free to download, with in-app purchases available.
Do Aquarist's Notes or TankPulse have ads?
Neither Aquarist's Notes nor TankPulse shows ads.
Which is updated more often, Aquarist's Notes or TankPulse?
Aquarist's Notes ships an update every 6 days, and TankPulse monthly. Most recently, Aquarist's Notes was updated on October 30, 2026 and TankPulse on October 31, 2026.

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