Comparison

Convertizo vs Robotail

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

Head to head
About

Convertizo

This app provides accurate and reliable unit and currency conversions for iPhone and iPad. It automatically imports the latest exchange rates and offers a wide range of units, including both metric and imperial measurements. Enhanced with multitasking support and customizable themes, it streamlines everyday calculations.

Highlights
  • Accurate unit and currency conversions
  • Automatic latest exchange rates
  • Supports metric and imperial units
  • Slide Over and Split Screen multitasking
  • Recent conversions stored
  • Customizable themes
Features
Read full description

Convertizo turns everyday conversions into a simple calculator for iPhone and iPad. Enter a number and see the result instantly. Convert currency, length, area, volume, weight, temperature, speed, time, data, energy, power, pressure, angle, flow, frequency, and torque. Pick up where you left off. Convertizo remembers your last category and saves your most recent value and unit pair for every category. Frequently used categories and units move to the top of their selection lists automatically, while the category grid stays alphabetical. Tap or hold a numeric value to copy it. Tap the input value to paste a number using the standard iOS edit menu. Search unit lists by name or symbol, or swap the source and destination with one tap. Currency rates use daily European Central Bank reference rates. Saved rate data keeps currency conversions available when you are offline. All other conversions run on your device. Convertizo includes: • An alphabetical grid of 16 conversion categories • A single-screen calculator with large circular keys • A compact category menu with your frequent choices first • Searchable unit lists that remember your frequently used units • Native copy and paste • Your most recent value and units saved for every category • Decimal and binary data units with precise large-number results • Country flags for currencies • A layout designed for both iPhone and iPad Your conversion history and usage preferences are stored on your device. No account or setup is required.

About

Robotail

This app connects to a smart cat litter box to monitor your cat's health and habits. It offers multi-cat identification, detailed health data management, and customizable smart settings for a personalized experience.

Highlights
  • Multi-cat identification
  • Health data management
  • Customized smart settings
  • Remote operation visualization
  • Real-time status viewing
  • One-key cleaning
Features
Read full description

Robotail is an APP of HomeRobot Limited, which needs to be used in conjunction with the Robotail smart cat litter machine. [Multi-cat identification] Through the difference in weight, cats of different weights can be distinguished, and up to 30 different cats can be identified. [Health data management] Monitor cats' weight and toileting time around the clock, periodic data push, combined with multi-cat identification, make the cat's toileting health data management more accurate, just open the APP, you can instantly understand the cat's toileting health situation. [Customized smart settings] Personalized settings can be made in the APP: automatic mode, do not disturb mode, timing mode, etc. This is a unique smart cat litter box that only belongs to you and the cat owner. The above are the functions that are bound to the high-end smart cat litter machine. If you are bound to the flagship model, you can enjoy the following new functions: [Remote operation visualization] The cat litter box can be remotely controlled for one-key cleaning, smoothing and sand changing. All cats and cat litter box status can be viewed on the app in real time. At the same time, the camera can be turned on at any time to understand the cat's toileting status in real time. This little hobby, as if coming to the scene in person, makes it easy and fun to shovel shit. [Intelligent Multi-Cat Recognition] Through weight difference and intelligent recognition, cats can be accurately distinguished, and up to 30 different cats can be recognized, making message push and data management more accurate. Robotail allow you to care for cats anytime, anywhere, enjoy the relaxed and happy life brought by technology, and let us spend more time with our hearts.

Screenshots

Convertizo4 screens
Robotail4 screens

Verdict

The call

The clearest difference is price: Robotail at Free against Convertizo's $3.99. Robotail also leads on iOS requirement (12.0 vs 17.0). Convertizo's advantage is rating (4.2 vs 2.4) and update cadence (every 8 days vs monthly). On ads, in-app purchases, monetization model 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

Robotail is free to download; Convertizo costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Convertizo holds the better App Store score, 4.2 against 2.4. Both are backed by a comparable volume of ratings — 77 and 18 respectively.

UpkeepUpdate frequency

Convertizo ships an update every 8 days, Robotail monthly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
Convertizo versus Robotail: the parameters behind the verdict, then further details
ParameterConvertizoRobotail
Price$3.99Free — better
Rating4.2 (77 ratings) — better2.4 (18 ratings)
Positive reviews64.6% of reviews—
Number of ratings77 — better18
Update frequencyEvery 8 days — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.012.0 — better
Further details — not scored
Size3 MB143 MB
Age rating4+4+
DeveloperPerfect DimensionHOMEROBOT LIMITED

In-app purchases

None

Convertizo

No in-app purchases

None

Robotail

No in-app purchases

Questions

Is Convertizo free?
Convertizo costs $3.99, with no in-app purchases.
Is Robotail free?
Robotail is free to download, with no in-app purchases.
Which has better reviews, Convertizo or Robotail?
Convertizo is rated higher. Convertizo averages 4.2 out of 5 from 77 ratings, while Robotail averages 2.4 from 18 ratings.
Do Convertizo or Robotail have ads?
Neither Convertizo nor Robotail shows ads.
Which is updated more often, Convertizo or Robotail?
Convertizo ships an update every 8 days, and Robotail monthly. Most recently, Convertizo was updated on November 2, 2026 and Robotail on November 5, 2026.

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