Comparison

Calculator PanecalST Plus vs Forethumb

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calculator PanecalST Plus

This calculator app allows you to view and edit complex formulas with ease. It prevents errors by letting you check input as you go and reuse past calculations by modifying values. Navigate and edit expressions quickly with a cursor and intuitive controls.

Highlights
  • Formula editing with cursor
  • Re-calculation using history
  • Time, tax, and percentage calculations
  • Cut, copy, and paste functionality
  • Expression and answer history
  • Customizable settings
Features
Read full description

This is calculator app that allows you to display and modify formulas. It allows you to enter formulas while checking them, which prevents you from typing incorrectly or making calculation errors. It is also possible to reuse past formulas to change only certain values to calculate them. The cursor indicates on the display, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long-tap to copy and paste. [ Features ] - Easy operation for editing formulas - Re-calculation by using history - Four arithmetic operations, root, percentages, time, tax and parentheses calculations - Memory, M+, M-, MR, MC - Scroll up/down lines - Cut, copy and paste - Expressions history and answer history - Grouping separator and decimal point - Various settings (Long tap MENU key) [ What do you use "Calculator" for ] - General calculator - Tax and VAT - Sales, profit and cost - Split a payments at restaurant - Long formulas calculation - Formula include parenthesis - Elapsed time, time addition and subtraction, production time, costing from time [ Four arithmetic operations ] 1 + 2 - 3 × 4 ÷ 5 = 0.6   [ Time calculation ] 16:15 - 12:45 = 3:30:00 1.5 × (16:15 - 12:45) = 5:15:00 Press [H:M:S] key for changing value after calculation. =5.25 [ Root calculation (Long press)] √( 2 × 2) = 2   [ Percentage calculation ] 500 + 20% = 600 500 - 20% = 400 500 × 20% = 100 100 ÷ 500% = 20   [ Tax calculation ] 500 Tax+ = 525 525 Tax- = 500   [ Parenthesis calculation ] ( 1 + 2 ) × ( 3 + 4 ) = 21 ( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231   [ Grouping separator and decimal point ] 123,456,789.1 + 0.02 = 123,456,789.12 123.456.789,1 + 0,02 = 123.456.789,12 (Depends on setting)   [ Display ] Calculator indicates long expressions on the display. If you may mistake to input expressions, you can correct this expressions easily and quickly using by back space key, arrow keys and C(clear) key. [ Re-play and history functions ] Calculator has "Re-play function". It indicates expressions that you inputted in the recently using by △(re-play)key. If you long-press re-play key, expressions history table is available. [ Last answer and history functions ] Last answer is that indicates the last calculation result by using Ans key. If you long-press Ans key, a last answer history table is available. [ Percent calculator ] If you would like to calculate “20% more $50”, you can input 50+20% and get a result. [ Tax calculator ] This calculator can store tax rate in the setting. And you can get price including / excluding tax easily and quickly using by Tax+/Tax- keys. [ Disclaimer ] Please note in advance that Appsys is not responsible for any damage or lost profits caused by the use of this software, or any claims from third parties.

About

Forethumb

This keyboard app allows users to input text on their iOS devices using Morse code. It offers single-key or paddle input methods, with options for sound feedback and customizable gap lengths. It supports alphabets, numbers, some symbols, and Japanese characters.

Highlights
  • Morse code input (single key or paddle)
  • Sound feedback on input
  • Swipe gestures for delete/space
  • Customizable gap length
  • Supports alphabets, numbers, symbols, Japanese
Features
Read full description

Forethumb enables you to input characters on your iOS device with morse code. You can type sentences blindfold, if you memorized morse code for forethumb. [Function] - Character input is possible by single key type or paddle type Morse input. - The sound is played when you input the morse code. - In the case of the single key type, swiping the key to the left will "delete" and swiping to the right will "enter space". - You can change the default gap length. [Functional Limitations] - The characters that you can enter are alphabets, numbers, some symbols, and Japanese. [Attention] - You have to do the additional procedure of Forethumb to use it (Settings -> General -> Keyboard). - Then, you also have to turn on the "Full Access" for Forethumb. * Please don’t worry; The developer does not collect your data at all. [Support] - Please do not hesitate to contact the developer for any defect reports or questions/requests. - The developer will consider any requests about additional function. - The developer may end support for older iOS without notice.

Screenshots

Calculator PanecalST Plus4 screens
Forethumb4 screens

Verdict

The call

The clearest difference is update cadence: Forethumb at every 2 weeks against Calculator PanecalST Plus's every 4 months. Forethumb also leads on price ($0.99 vs $1.99). Calculator PanecalST Plus's advantage is review sentiment (82% vs 64%) and iOS requirement (12.0 vs 16.4). On rating, ratings volume, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Calculator PanecalST Plus costs $1.99 and Forethumb $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Calculator PanecalST Plus against 4.8 for Forethumb. Both are backed by a comparable volume of ratings — 16 and 8 respectively. Written reviews are what separate them: 82% of Calculator PanecalST Plus's written reviews are positive against 64% of Forethumb's.

UpkeepUpdate frequency

Calculator PanecalST Plus ships an update every 4 months, Forethumb every 2 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Calculator PanecalST Plus versus Forethumb: the parameters behind the verdict, then further details
ParameterCalculator PanecalST PlusForethumb
Price$1.99$0.99 — better
Rating4.9 (16 ratings) — better4.8 (8 ratings)
Positive reviews82.4% of reviews — better64.3% of reviews
Number of ratings16 — better8
Update frequencyEvery 4 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.4
Further details — not scored
Size17 MB71 MB
Age rating4+4+
DeveloperNoriyasu KutsuzawaTakuto Nakamura

Customer experience

Calculator PanecalST Plus

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews34 reviews
Positive82.4%
Neutral5.9%
Negative11.8%

Forethumb

All ratings8 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews14 reviews
Positive64.3%
Neutral7.1%
Negative28.6%

In-app purchases

None

Calculator PanecalST Plus

No in-app purchases

None

Forethumb

No in-app purchases

Questions

Is Calculator PanecalST Plus free?
Calculator PanecalST Plus costs $1.99, with no in-app purchases.
Is Forethumb free?
Forethumb costs $0.99, with no in-app purchases.
Which has better reviews, Calculator PanecalST Plus or Forethumb?
Calculator PanecalST Plus is rated higher. Calculator PanecalST Plus averages 4.9 out of 5 from 16 ratings, while Forethumb averages 4.8 from 8 ratings.
Do Calculator PanecalST Plus or Forethumb have ads?
Neither Calculator PanecalST Plus nor Forethumb shows ads.
Which is updated more often, Calculator PanecalST Plus or Forethumb?
Calculator PanecalST Plus ships an update every 4 months, and Forethumb every 2 weeks. Most recently, Calculator PanecalST Plus was updated on October 23, 2026 and Forethumb on October 25, 2026.

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