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Alternatives · 2026

The best CalcTastic alternatives

The rest of Best Scientific Calculator Apps, in this site's order: each with what it costs, where it runs and its record score.

1
Avidemux
WebWindowsMac+1 Free plan Record5.6 Visit
2
GeoGebra
AndroidiPhone & iPadWeb+4 Free plan Record5.6 Visit
3
Wolfram|Alpha
AndroidiPhone & iPadWeb+2 Free plan Record3.8 Visit
4
Free42
AndroidiPhone & iPadWindows+2 Free plan Record3.7 Visit
5
Kalker
AndroidWebWindows+2 Free plan Record3.7 Visit
6
AlexCalc
AndroidiPhone & iPadWeb+1 Free plan Record3.5 Visit
7
Castiel
AndroidWindowsLinux Free plan Record3.5 Visit
8
Calcrivo Scientific Calculator
WebWindowsMac+1 Free plan Record3.4 Visit
9
Numbat
WebWindowsMac+1 Free plan Record3.4 Visit
10
BlakeCalc
AndroidiPhone & iPad Free plan Record3.3 Visit
11
HiPER Scientific Calculator
AndroidiPhone & iPad Free plan Record3.3 Visit
12
NCalc Scientific Calculator
iPhone & iPadMac Free plan Record3.3 Visit
13
Panecal Scientific Calculator
AndroidiPhone & iPad Free plan Record3.2 Visit
14
Qalculate!
WindowsMacLinux Free plan Record3.2 Visit
15
PCalc
iPhone & iPadMac Free plan Record3.1 Visit
16
RealCalc Scientific Calculator
Android Free plan Record3.0 Visit
17
SciCalc
WindowsLinux Free plan Record3.0 Visit
18
Hypatia
Windows Free plan Record2.9 Visit
19
Alcula Scientific Calculator
Web Free plan Record2.8 Visit
20
CalculatorSoup Scientific Calculator
Web Free plan Record2.8 Visit
21
Desmos Scientific Calculator
Web Free plan Record2.8 Visit
22
Galculator
Linux Free plan Record2.8 Visit
23
GNOME Calculator
Linux Free plan Record2.8 Visit
24
KCalc
Linux Free plan Record2.8 Visit