Converter and Calculator vs Productivity Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Converter and Calculator
This app functions as a unit and currency converter, offering over 500 units across 29 categories. It features a full-screen calculator with memory functions and allows for extensive customization of displayed units and their order.
- Unit and currency conversion
- Full-screen calculator
- Customizable units and categories
- In-line calculations
- Convert multiple units simultaneously
- Automatic regional formatting
Read full descriptionHide full description
A calculator & unit & currency converter with a super clean interface, standalone calculator, customizable color, and over 500 units in 29 categories (161 currencies). Display only the units and categories you want and put them in any order. Fast, Easy To Use: Pick a category, pick a unit, and then enter an amount. All other units are instantly converted to your selected unit as you enter amount. Features: • Full screen calculator with memory functions quickly accessible from bottom toolbar • Customizable color • Customizable units (display only the units & categories you want in whatever order you want) • In-line calculations while converting (fractions, decimals, add, subtract, multiply, divide). • Convert multiple units / currencies at once • Both unit names and symbols shown. • Results with up to 12 significant digits. • Automatic formatting of decimal and thousands separators according to your Region. • Automatic formatting of extremely large or small numbers with scientific E notation. Options: - Font Size - Sound - Color Theme - Minimum Decimal Digits (0-12) - Maximum Decimal Digits (0-12) - Show Thousands Separators - E Notation (Off, Auto, Scientific, Engineering) - Equals Repeat - Replace ÷ Button With / - Replace E Button With Hidden, EE, 00, 000 - Show Memory Buttons - Memory Store (Result, Last Input Number) - Currency Updates - Symbol First - In-Line Definitions - UK Spelling 501 Units In 29 Categories: • Acceleration • Angle • Area • Blood Cholesterol • Blood Glucose • Capacitance • Currency • Data • Density • Dynamic Viscosity • Electric Charge • Electric Current • Electric Potential • Electrical Conductance • Electrical Resistance • Energy • Force • Frequency • Fuel Economy • Length • Mass • Power • Pressure • Speed • Temperature • Time • Torque • Volume • Weight (Mass) URL Scheme: converterpro://
Productivity Timer
Easily track your work hours with a simple start and stop button. This utility app aggregates your time segments into a clear table, allowing you to view and manage your logged periods.
- Start and stop timer with a single button
- Automatic time segment aggregation
- View logged time segments in a table
- Remove individual time entries
- Simple and easy to use interface
Read full descriptionHide full description
This is a simple app to track your hours worked. There are several apps that do some version of this, but I couldn't find one that kept it as simple as this one. Simply press the button to start the time. Press it again to stop. The app will add all the time segments together to give you a total and also keep track of them for you in a table that you can view and remove times from.
Screenshots
Verdict
The clearest difference is in-app purchases: Converter and Calculator at none against Productivity Timer's 1. Converter and Calculator also leads on update cadence (every 2 weeks vs every 9 months) and ratings volume (268 vs 1). Productivity Timer's advantage is rating (5.0 vs 4.7) and price ($0.99 vs $2.99). On ads, 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
Converter and Calculator costs $2.99 and Productivity Timer $0.99 up front. Productivity Timer sells 1 one-off in-app purchase. Converter and Calculator asks for nothing beyond the download.
Productivity Timer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Converter and Calculator has 268 ratings behind it against 1, so its average is the more settled of the two.
Converter and Calculator ships an update every 2 weeks, Productivity Timer every 9 months. Both last shipped on November 1, 2026.
| Parameter | Converter and Calculator | Productivity Timer |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 4.7 (268 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 90.2% of reviews | — |
| Number of ratings | 268 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Cider Software LLC | Ducky Planet LLC |
Customer experience
Converter and Calculator
Productivity Timer
Bugs and requests
Converter and Calculator
Reported bugs
3 issues- App not updating calculations daily
- Conversion table setup is off by one line
- No Copy/Paste functionality
Requested features
4 requests- Support today's widget
- Add Vietnamese language
- Create custom units
- Add a search bar
Productivity Timer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Converter and Calculator
No in-app purchases
Productivity Timer
- Remove Ads$0.99
Questions
Is Converter and Calculator free?
Is Productivity Timer free?
Which has better reviews, Converter and Calculator or Productivity Timer?
Do Converter and Calculator or Productivity Timer have ads?
Which is updated more often, Converter and Calculator or Productivity Timer?
Other comparisons















