Calculator Widget Pro vs Chess Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator Widget Pro
Access a fully functional calculator directly from your Home Screen with interactive widgets. Perform basic arithmetic, scientific calculations, and even calculate tips without opening the app.
- Home screen calculator widget
- Basic arithmetic operations
- Advanced scientific functions
- Tip calculation
- Interactive widget design
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Add the calculator widget to your Home Screen and easily do calculations of addition, subtraction, multiplication, division, advanced scientific functions and even tips with Calculator Widget Pro.
Chess Clock
This app provides a clean, ad-free timer for various chess game formats, including blitz and rapid. It offers customizable time controls, supports Fischer and Bronstein increment modes, and tracks game statistics for both players. Easily adjust time during a game and switch between portrait and landscape orientations.
- Ad-free interface
- Fischer and Bronstein increment modes
- Customizable timers
- Adjust time during game
- Move counter and statistics
- Portrait and landscape support
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Need a fast and reliable chess clock for your speed games? Looking for a clean, distraction-free chess timer without ads? Chess Clock is a simple tool designed to time your chess matches quickly and efficiently — whenever you need it. Perfect for blitz, bullet, rapid, classical chess, or any two-player game where precise time control matters. Why Choose This Chess Clock? ● Clean and simple interface ● No ads — no distractions ● Large, easy-to-read fonts ● Fast and reliable performance ● Designed for both casual and tournament use Key Features ● Select your game duration and increment with just a few taps ● Support for both Fischer and Bronstein increment modes ● Works in portrait and landscape orientation ● Customize your own timers ● Pause the timer at any time ● Adjust remaining time in the middle of a game ● Move counter and game statistics for both players ● Completely ad-free experience — — — How does this chess clock work? Simply select your game duration and increment type, then tap to start. Each player taps their side of the screen after making a move to switch the timer. What increment modes are supported? The app supports both Fischer and Bronstein increments. Fischer adds a fixed amount of time after every move. Bronstein adds time up to the increment amount based on how quickly you moved. Can I adjust the timer during a game? Yes. You can pause the game and adjust the remaining time for either player at any point during the match. Can I create custom time controls? Yes. You can set your own player time, choose an increment type, and specify the increment duration to match any format you need. Does the app track game statistics? Yes. The app records total game time, time played per player, number of moves, and average time per move. Does the app contain ads? No. The app is completely ad-free for a distraction-free experience. Does it work in landscape mode? Yes. The app fully supports both portrait and landscape orientations. Is the app free? The app is free to download and use, with optional premium features available via in-app purchase. — — — If you enjoy the app, please leave a review on the App Store. Your feedback really helps. Questions or suggestions? We'd love to hear from you. Support Email: AppsForParents@gmail.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/site/appsforparentsprivacy/
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator Widget Pro at none against Chess Clock's 7. Calculator Widget Pro also leads on update cadence (every 2 days vs every 5 weeks). Chess Clock's advantage is ratings volume (42 vs 11). On price, rating, review sentiment and ads 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
Both are free to download. Chess Clock sells 6 in-app purchases, starting at $4.99 per 7 days. Calculator Widget Pro asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for Calculator Widget Pro against 4.5 for Chess Clock. Both are backed by a comparable volume of ratings — 11 and 42 respectively. Written reviews are what separate them: 67% of Calculator Widget Pro's written reviews are positive against 69% of Chess Clock's.
Calculator Widget Pro ships an update every 2 days, Chess Clock every 5 weeks. The most recent releases landed on September 13, 2026 and September 19, 2026 respectively.
| Parameter | Calculator Widget Pro | Chess Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | 4.5 (42 ratings) |
| Positive reviews | 66.7% of reviews | 68.8% of reviews — better |
| Number of ratings | 11 | 42 — better |
| Update frequency | Every 2 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 2 MB | 19 MB |
| Age rating | 4+ | +4 |
| Developer | Todd Bowden | Natalia Jakubczyk-Gajewska |
Customer experience
Calculator Widget Pro
Chess Clock
In-app purchases
Calculator Widget Pro
No in-app purchases
Chess Clock
- 1 Week Premium Subscription7 Days trial$4.997 Days
- Chess Clock Premium3 Days trial$5.997 Days
- Chess Clock Premium3 Days trial$7.991 Month
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- Chess Clock Premium$14.993 Months
- Chess Clock Premium2 variants$29.991 Year
- Chess Clock Premium Lifetime$29.99
Questions
Is Calculator Widget Pro free?
Is Chess Clock free?
Which has better reviews, Calculator Widget Pro or Chess Clock?
Do Calculator Widget Pro or Chess Clock have ads?
Which is updated more often, Calculator Widget Pro or Chess Clock?
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