Calculator´ vs donefy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator´
This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.
- Live results and natural feel UI
- User-definable advanced functions
- History log with easy access
- Customizable themes and colors
- On-screen timer
- iPad multitasking and Spotlight search
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Stop your math time-wasting today with this app! Designed to help you zip through your daily math in a swift of your own unique style ;-) * LOVED by thousands for its smart UI with Live results & Natural feel Now featuring user-definable advanced Functions that you can Share easily with other Calculator users and optimizations with iPad multitasking, 3D Touch shortcuts, Expandable Widget, Spotlight searching of History + watchOS native App with haptic. Calculator is super intelligent, multi-functional scientific calculator that makes doing math look like art. It has built-in on-screen timer, notif. center Widget, Custom Keyboard, many pre-set functions like Date-time and Base computations and limitless combination of colors, fonts, shapes and sizes. It features standard basic & scientific calculator functions, history log, and an elegant user interface. The quick timer is designed to help your track remaining mins:secs whenever you are on schedule. It is really clever. It can do live math expressions: from the simplest like "1+2" to more advanced expressions like "3+(3x9(80+sin(90)))" Advanced calculator. By swiping left and right on the app, you can easily access over 50+ advanced math functions. History log. Calculator remembers what you have calculated. Swipe up, and you can see all your previous calculations. Colorful Themes. Limitless lovely themes for you to browse, including optional parallax background image of your choice! Easy access. Tap & Hold a math expression to edit it. Shake your device to undo Tap & Hold a number key for smart parenthesis Tap & Hold the decimal point for RANDOM decimal Tap & Hold the “ans” key for answer history Tap & Hold the “÷” key for 1/x Tap & Hold the “-” key to negate Text style Edit option for Expressions Tapping sound options An In-App purchase is ready if you decide to add the Converter and Basic Graphing! Terms of Service & Privacy Policy: https://oval.fi/privacy-calculator Subscription Terms The subscription auto-renews at the end of each term. Payment will be charged to iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. Any unused portion of a free trial period will be forfeited if you purchase a subscription. Instructions on how to cancel a subscription can be found at the following link: https://support.apple.com/en-us/HT202039.
donefy
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donefy is developed with the aim of mitigating the administrative overhead associated with maintenance activities. donefy ensures a unique user experience, tailored for the needs of different personas; spanning management, engineering, and repair workers. To maintain our clients' work efficiency, the application was designed to reduce the user's in-app time, so they can focus on getting maintenance workloads completed. As a data-driven company ourselves, we believe in providing KPI visibility to our customers; through tracking, dash boarding, and reporting capabilities; to make sure they stay on top of their maintenance schedules and workloads, increase asset availability, and utilize team productivity.
Screenshots
Verdict
The clearest difference is in-app purchases: donefy at none against Calculator´'s 4. donefy also leads on iOS requirement (12.0 vs 14.0). Calculator´'s advantage is device support. On price 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. Calculator´ sells 4 in-app purchases, starting at $0.49 per year. donefy asks for nothing beyond the download.
| Parameter | Calculator´ | donefy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (478 ratings) — better | — |
| Positive reviews | 70.2% of reviews | — |
| Number of ratings | 478 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | — |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | Oval Software Oy | Algebra |
Bugs and requests
Calculator´
Reported bugs
6 issues- Buttons below numbers 1, 2, 3 not responding
- App crashes when screen fills with numbers
- Numbers deleted backwards after full screen
- Swipe down converter doesn't work properly on iPad
- Pressing equals multiple times adds duplicate results
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- App becomes unresponsive and requires restart
Requested features
7 requests- Haptic feedback support
- Fraction calculation support
- RPN mode
- iCloud sync for history
- Automatic parentheses
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- Simple keyboard-only option
- Better converter UI (swipe functionality)
donefy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calculator´
- Standard features w/ Free Week7 Days trial$0.491 Year
- Standard features w/ Free Year1 Year trial$0.491 Year
- Complete feature-set3 Days trial$3.991 Year
- Converter + Graphing$3.99
donefy
No in-app purchases









