ExtCalc vs Counter +
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ExtCalc
This scientific calculator offers a colorized text view for formulas, allowing for individual calculation sheets and easy memorization of results. It features a customizable constants pool, VAT calculator, and cloud synchronization for seamless use across devices. Accessibility and team collaboration are also emphasized.
- Colorized formula view
- Individual calculation sheets
- Memorize results
- Customizable constants pool
- VAT calculator
- Cloud synchronization
- Apple Watch app
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ExtCalc is an innovative scientific calculator that makes operating computations easy. It shows your whole formula in a colorised text view. You can have different calculation sheets for different formulas or you just use one sheet for all your formulas. Deletion and memorizing results are integrated as well. Last, but not least, it includes a customizable constants pool and a VAT calculator. All nifty features in a short list: * Individual calculation sheets, with the possibility to print them * Color highlighting * Memorizing results, e.g. via the ANS button and through the calculation sheets, get old values by tapping on them in the sheet * Many functions, even in portrait mode * Grouping (brackets) * Error proof, you can't input formulas that would lead to errors * Constants pool, easily customizable * iCloud support for synchronization between devices * VAT calculator * Apple Watch app * Cloud synchronisation to stay up-to-date on all devices * AR scene * Print calculation sheets * Dark Mode * Strong focus on accessibility * SharePlay to work in a team Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://develicious-studios.de/privacy.html
Counter +
This app allows users to easily track multiple values simultaneously with customizable options. Personalize your experience with color themes and manage your counts efficiently with a history log and exportable reports.
- Multiple counter support
- Customizable counters
- Vibrant color themes
- Comprehensive history log
- Exportable reports
- Left-handed mode
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Counting more than one thing at once? Counter+ puts all your counters on one screen. Tap to count, review every change in the history log, and export a report when you're done. Counter+ is a simple, intuitive, and powerful counter app designed to help you track multiple values with ease. Whether you are managing daily habits, work tasks, classroom activities, event attendance, inventory, workouts, scores, or personal goals, Counter+ gives you a clean and reliable way to keep everything organized. Key Features: - Multiple Counter Support: Manage several counters at the same time, perfect for tracking people, scores, tasks, progress, activities, or item quantities. - Vibrant Color Themes: Choose from a variety of color themes to make your counters easier to recognize and more enjoyable to use. - Customizable Counters: Set unique names, values, and increments for each counter to match your exact tracking needs. - Comprehensive History Log: Keep a clear record of your counting activity, making it easy to review previous changes and monitor progress over time. - Multi-Counter View: View all your counters on a single page for quick comparison, easier monitoring, and faster decision-making. - Exportable Reports: Generate and share reports of your counter values and history, ideal for work, study, teaching, events, and personal records. - iPhone and iPad Support: Enjoy a redesigned interface with support for larger screens, making it more comfortable to view and manage multiple counters. - Left-Handed Mode: Built for lefties, too. - Interactive Feedback: Every tap feels like a real clicker. - Flexible Reset Options: Reset individual counters or all counters at once whenever you need a fresh start. - Clean and Focused Experience: Designed to be easy to use from the moment you open it, without unnecessary complexity. Whether you are tracking habits, recording classroom activities, counting attendance, managing inventory, logging workouts, or setting personal goals, Counter+ is your reliable companion for clear and organized counting. Download Counter+ today and start counting with confidence!
Screenshots
Verdict
The clearest difference is review sentiment: Counter + at 75% against ExtCalc's 0%. Counter + also leads on update cadence (fortnightly vs every 5 months). ExtCalc's advantage is ads (none vs shown) and device support (6 vs 2). On price, in-app purchases, monetization model 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
Both are free to download. ExtCalc sells 2 in-app purchases, starting at $4.99 per year and Counter + sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ExtCalc ships an update every 5 months, Counter + fortnightly. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.
| Parameter | ExtCalc | Counter + |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (391 ratings) — better |
| Positive reviews | 0.0% of reviews | 74.8% of reviews — better |
| Number of ratings | — | 391 — better |
| Update frequency | Every 5 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — better | iPhone, iPad |
| Requires iOS | 18.7 | 18 — better |
| Further details — not scored | ||
| Size | 7 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Weber | Yan Kin LEUNG |
Customer experience
ExtCalc
Counter +
Bugs and requests
ExtCalc
Not enough reviews yet to summarise bugs or requests.
Counter +
Reported bugs
3 issues- Counters not resetting properly
- Crashing or freezing issues
- Inability to change counter names in multi-counter view
Requested features
6 requests- Add ability to count in decimals
- Implement dark mode or more color options
- Allow for more than 12 counters
- Add ability to delete or rearrange counters
- Implement sync across devices
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- Add a widget for quick access
In-app purchases
ExtCalc
- Yearly Subscription$4.991 Year
- Printing$0.99
Counter +
- Counter+ Remove Ads$2.99









