Comparison

Aquarist's Notes vs Chairy

Price, ratings, monetisation and update history for both apps, side by side — 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

Chairy

This app connects barbershop and salon owners with empty chairs to barbers and stylists seeking on-demand workspace. It helps owners generate revenue from unused space and allows professionals to find flexible work opportunities without long-term commitments.

Highlights
  • Fill empty chairs and maximize revenue
  • Find chairs on demand
  • Simple, fast, and easy to use
  • Connects shop owners with professionals
  • Allows stylists to grow clientele
Features
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Turn empty chairs into income. Chairy is the easiest way for barbershops and salons to fill open chairs—and for barbers and stylists to find a place to work on demand. Built by a barber who experienced the problem firsthand, Chairy connects the right people at the right time—without the hassle. For Shop Owners Stop losing money on empty chairs. List your available space, connect with qualified professionals, and start generating consistent revenue—without long-term commitments. For Barbers & Stylists Work on your terms. Find available chairs near you, book instantly, and grow your clientele without being tied to one location. Why Chairy • Fill empty chairs and maximize revenue • Find chairs on demand—no long-term contracts • Simple, fast, and easy to use • Built by a barber who understands the industry • Designed for real-world shop needs Whether you’re looking to make more from your space or need a chair to work, Chairy makes it happen. Download Chairy and start turning opportunity into income. Terms & Conditions: https://www.chairyapp.com/legal/terms-and-conditions Privacy Policy: https://www.chairyapp.com/legal/privacy-policy

Screenshots

Aquarist's Notes4 screens
Chairy4 screens

Verdict

The call

Aquarist's Notes and Chairy are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Aquarist's Notes sells 2 in-app purchases, starting at $1.99 per month and Chairy sells 7 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Aquarist's Notes ships an update every 6 days, Chairy every 8 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

ScorecardNo meaningful differences
Aquarist's Notes versus Chairy: the parameters behind the verdict, then further details
ParameterAquarist's NotesChairy
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 6 days — betterEvery 8 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS16.415.6 — better
Further details — not scored
Size16 MB9 MB
Age rating4+17+
DeveloperLudek SloufCHAIRY INC

In-app purchases

2 purchases

Aquarist's Notes

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

Chairy

Subscriptions7
  • Plus+ Plan - Monthly$9.991 Month
  • Startup Plan - Monthly$9.991 Month
  • Pro Plan - Monthly$19.991 Month
Show 4 more
  • Business Plan - Monthly$29.991 Month
  • Startup Plan - Annual$99.991 Year
  • Pro Plan - Annual$199.991 Year
  • Business Plan - Annual$299.991 Year

Questions

Is Aquarist's Notes free?
Aquarist's Notes is free to download, with in-app purchases available.
Is Chairy free?
Chairy is free to download, with in-app purchases available.
Do Aquarist's Notes or Chairy have ads?
Neither Aquarist's Notes nor Chairy shows ads.
Which is updated more often, Aquarist's Notes or Chairy?
Aquarist's Notes ships an update every 6 days, and Chairy every 8 days. Most recently, Aquarist's Notes was updated on September 30, 2026 and Chairy on October 3, 2026.

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