Comparison

Pool Doctor vs TCI Bitacora

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

Head to head
About

Pool Doctor

This powerful digital tool helps pool professionals and enthusiasts maintain their pools. Input your chemical readings, and it will provide precise instructions on what chemicals to add and why, supporting various pool types and units of measurement.

Highlights
  • Chemical level adjustment (chlorine, pH, alkalinity, etc.)
  • Supports regular, salt-water, and bromine pools
  • Multiple unit of measurement options
  • Customizable ideal ranges and chemicals
  • Saves reading and treatment records
  • Langelier Index calculation
  • Shock calculator
Features
Currently charting
Read full description

Thousands of professionals across the world already use Pool Doctor to keep their pools blue... you should too! This app is not for total beginners -- It is a powerful digital tool for professionals or enthusiasts. But don't worry! Instructions are constantly scrolling across the screen. Just enter whatever chemical readings you prefer using any test kit you own, and Pool Doctor will tell you exactly what chemicals to put into your pool and why. With Pool Doctor, you can adjust the chlorine, bromine, salt, pH, total alkalinity, calcium hardness, and even the cyanuric acid levels in all of your pools. You can even configure the ideal ranges and chemicals used to treat the pools (see screenshots). Pool Doctor gives all results and explanations in pounds, ounces, grams, kilograms, liters, gallons, or even in the number of scoops (you can enter custom scoop sizes); and changing units is as easy as pressing a button! This app supports regular, salt-water, or even bromine pools. Pool Doctor now saves basic reading and treatment records for all of your pools! Pool Doctor only shows you readings that apply to your pool type, so there is no unnecessary confusion! Pool Doctor will now calculate the Langelier Index automatically if you take all of the required readings! Pool Doctor now includes a shock calculator! Just enter the free and total chlorine levels, and Pool Doctor will automatically calculate how much of your preferred shock chemical is necessary to bring your pool to breakpoint chlorination.

About

TCI Bitacora

Features
Read full description

INTERFAZ AMIGABLE Esta aplicación permite reportar tus actividades durante el transcurso del día mediante una sencilla e intuitiva interfaz (UI) REPORTE SUS ACTIVIDADES Permite consultar las actividades que diste de alta en la plataforma y estas serán guardadas en tu agenda para posteriormente registrar tus reportes de cada una de ellas, ademas podrás incluir una fotografía en tus reportes. La aplicación esta diseñada para poder realizar reportes sin conexión a Internet, estos se almacenan en el dispositivo de manera temporal y una ves que se cuenta con conexión, se reportan las incidencias.

Screenshots

Pool Doctor4 screens
TCI Bitacora4 screens

Verdict

The call

The clearest difference is price: TCI Bitacora at Free against Pool Doctor's $19.99. TCI Bitacora also leads on update cadence (fortnightly vs every 2 months). Pool Doctor's advantage is chart position (#184 vs unranked). On ads, in-app purchases, device support 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

CostPrice · In-app purchases · Ads · Monetization

TCI Bitacora is free to download; Pool Doctor costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pool Doctor ships an update every 2 months, TCI Bitacora fortnightly. The most recent releases landed on September 23, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 8 level
Pool Doctor versus TCI Bitacora: the parameters behind the verdict, then further details
ParameterPool DoctorTCI Bitacora
Price$19.99Free — better
Rating4.4 (134 ratings) — better—
Positive reviews67.8% of reviews—
Number of ratings134 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#184 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.011.0
Further details — not scored
Size7 MB45 MB
Age rating4+4+
DeveloperGazzini VenturesArmando Montellano

Bugs and requests

Pool Doctor

Reported bugs

9 issues
  • App crashes after entering readings
  • Phone keyboard won't close, preventing navigation
  • Entered values change automatically (pH decreases, chlorine increases)
  • Chemical settings don't save or remember user preferences
  • Recommendations ignore user-specified chemical concentrations
Show 4 more
  • Metric calculations don't work properly
  • App requires internet connection despite being offline-capable
  • Support page/links no longer available
  • Inconsistent shock chemical recommendations despite selection changes

Requested features

13 requests
  • Customizable input field order to match test kit order
  • Support for Baquacil pool products
  • Cyanuric acid reading support
  • Ability to select specific chemical types (liquid vs powdered chlorine)
  • Salt level adjustment based on salt water generator (SWG) ranges
Show 8 more
  • Support for additional chemicals like Borax for pH adjustment
  • Water temperature and wind data tracking
  • Graphing and historical data visualization
  • Multi-user sync for shared pool maintenance
  • Pool volume estimator tool
  • Support for hot tubs and spas
  • Metric-only interface for non-US users
  • More detailed information on calcium hardness and other parameters

TCI Bitacora

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Pool Doctor

No in-app purchases

None

TCI Bitacora

No in-app purchases

Questions

Is Pool Doctor free?
Pool Doctor costs $19.99, with no in-app purchases.
Is TCI Bitacora free?
TCI Bitacora is free to download, with no in-app purchases.
Do Pool Doctor or TCI Bitacora have ads?
Neither Pool Doctor nor TCI Bitacora shows ads.
Which is updated more often, Pool Doctor or TCI Bitacora?
Pool Doctor ships an update every 2 months, and TCI Bitacora fortnightly. Most recently, Pool Doctor was updated on September 23, 2026 and TCI Bitacora on September 16, 2026.

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