Calcbot 2 vs Numeric Correction Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calcbot 2
This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.
- History tape for saved calculations
- Expression view for typed input
- Over 500 unit conversions
- Apple Watch extension
- Scientific functions in landscape
- Favorites for instant access
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Calcbot is an intelligent calculator and unit converter for the rest of us. Featuring an easy-to-read history tape, expression view, intuitive conversion, and much more! History Tape*. Every calculation you enter gets saved to the history tape. Refer to calculations later or send them right back to your current calculation. Expression View. Calcbot's original expression view allows you to see everything you have typed so you'll never forget what you entered or miss a typo. Apple Watch Extension. Perform basic calculations, conversions, calculate tips, and split bills right from your Apple Watch. Conversion*. Convert any of your calculations with over 500 units across 22 different categories including auto-updating currency rates. Favorites. Fave a calculation and get instant access to its result via the Favorites Key. No more cryptic memory keys. Scientific Functions. Rotate your device into landscape mode to gain access to common scientific functions. Constants. Get instant access to scientific constants like Pi, Atomic Mass, or add your own*. Round for Currency. Have all of your results rounded to two decimal places. Sounds & Animations. Beautiful custom animations and sound effects provide positive feedback and an enjoyable experience while performing calculations. * In-App purchase required.
Numeric Correction Calculator
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Overview A calculator that can be corrected by touching the displayed number. It has a round selector and a decimal point selector(4,3,2,1,0.5,0) for decimal point calculation. With multi-line display, you can calculate while displaying constant (K), grand total (GT), last answer (Ans), and intermediate result value. Detail Touch the displayed number to correct. If you want to correct input number or intermediate result, touch the number itself. Then the number will blink, press the number key to correct it. Press the DEL key to delete numbers. Sign Change(+/-) Touch the left edge to switch between plus and minus (+/-). Set the round selector to UP, DOWN or 5/4. Set the decimal point selector to one of 4,3,2,1,0,5,0. You can round numbers by pressing the = key. 0.5 "rounds" by 0.5. Detailed results are displayed by touching the down button on the upper left of the screen. Constant(K) Grand Total(GT) Calculation's result value, last answer(Ans). Also used for Ans memory calculations. intermediate result Decimal point can be set from the setting. example:"1,234.5", "1.234,5", "1 234,5", "1'234.5" For Digit separator "3" Digit separator can be set from the setting. 3-digit, 4-digit, First 3 digits then 2nd digits separator(Indian comma) Numeric color can be set from the setting. The maximum number of digits is 12 digits. Disclaimer This application is subject to change without notice. The Developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this application.
Screenshots
Verdict
The clearest difference is in-app purchases: Numeric Correction Calculator at none against Calcbot 2's 1. Numeric Correction Calculator also leads on update cadence (fortnightly vs every 2 months). Calcbot 2's advantage is ads (none vs shown). On price, 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
Both are free to download. Calcbot 2 sells 1 one-off in-app purchase. Numeric Correction Calculator asks for nothing beyond the download.
Calcbot 2 ships an update every 2 months, Numeric Correction Calculator fortnightly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.
| Parameter | Calcbot 2 | Numeric Correction Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (11K ratings) — better | — |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 11K — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 16 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Tapbots | Nobuyuki Kumakura |
Bugs and requests
Calcbot 2
Reported bugs
4 issues- History tape not recording all calculations
- Conversion settings not syncing to Apple Watch
- App crashing on launch for some users
- Blank app icons after iOS updates
Requested features
5 requests- Dark mode option
- Widgets for quick access
- More currency and unit conversions
- Improved Apple Watch integration
- Ability to edit calculations in history tape
Numeric Correction Calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calcbot 2
- Calcbot Pro$1.99
Numeric Correction Calculator
No in-app purchases
Questions
Is Calcbot 2 free?
Is Numeric Correction Calculator free?
Do Calcbot 2 or Numeric Correction Calculator have ads?
Which is updated more often, Calcbot 2 or Numeric Correction Calculator?
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