diff --git a/CHANGELOG.md b/CHANGELOG.md
index d8b2c46..c490402 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # deverything
 
+## 0.49.0
+
+### Minor Changes
+
+- isStrictlyBetween
+
 ## 0.48.1
 
 ### Patch Changes
diff --git a/README.md b/README.md
index ebe5510..d13f000 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,8 @@ Contributions always welcome!
 
 ### Validators
 
-- `isArray()` 
-- `isBoolean()` 
+- `isArray()`
+- `isBoolean()`
 - `isBrowser()` to detect if you are on the browser
 - `isBuffer()` if it's a buffer
 - `isClient()` same as isBrowser
@@ -26,20 +26,20 @@ Contributions always welcome!
   - `isEmptyArray()` checks if the array has no items
   - `isEmptyObject()` checks if the object has no keys
 - `isFile()` if it's a file
-- `isFunction()` 
+- `isFunction()`
 - `isJsDate()` if it's a **valid** javascript's Date
-  - `isFutureDate()` 
-  - `isPastDate()` 
+  - `isFutureDate()`
+  - `isPastDate()`
   - `isStringDate()` also checks if the string passed is a **valid** date
 - `isKey()` is a real key of an object
 - `isLastIndex()` is the index is the last item of array
 - `isNotEmptyString()` must have some text, checks for spaces-only
 - `isNumber()` if the arg is number, and also usable (no infinity)
   - `isInt()` if it's an integer
-  - `isEven()` 
-  - `isOdd()` 
-  - `isPositiveInt()` 
-  - `isNegativeInt()` 
+  - `isEven()`
+  - `isOdd()`
+  - `isPositiveInt()`
+  - `isNegativeInt()`
 - `isNumeric()` if string is representing a number
 - ⭐ `isObject()` if it's a js plain Object
 - `isPromise()` if it's a promise
@@ -49,12 +49,15 @@ Contributions always welcome!
 - ⭐ `isSame()` Compare if dates, functions, arrays, objects or anything else are the same
 - `isServer()` if you are on the server
 - `isString()`
-- `isURL()` 
+- `isURL()`
 - `isUUID()` if it's a valid UUID
 
 ### Math
 
 - `average()`
+- `isBetween()`
+- `isOutside()`
+- `isStrictlyBetween()`
 - `max()`
 - `min()`
 - `multiply()`
@@ -112,7 +115,7 @@ Contributions always welcome!
 
 These functions are optimized for low entropy random data generation useful for Unit Testing, Storybook, Pass real validations, Reverse hacking, Penetration testing...
 
-- `randomAddress()` 
+- `randomAddress()`
 - `randomAlphaNumericCode()`
 - ⭐ `randomArrayItem()` now supporting non-uniform distribution
 - `randomBankAccount()`
diff --git a/package.json b/package.json
index f9690f4..e7c2e15 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "deverything",
-  "version": "0.48.1",
+  "version": "0.49.0",
   "description": "Everything you need for Dev",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
diff --git a/src/math/index.ts b/src/math/index.ts
index dc11e28..f4648e3 100644
--- a/src/math/index.ts
+++ b/src/math/index.ts
@@ -1,8 +1,9 @@
 export * from "./average";
 export * from "./isBetween";
+export * from "./isOutside";
+export * from "./isStrictlyBetween";
 export * from "./max";
 export * from "./min";
 export * from "./multiply";
-export * from "./isOutside";
 export * from "./percentageChange";
 export * from "./sum";
diff --git a/src/math/isStrictlyBetween.ts b/src/math/isStrictlyBetween.ts
new file mode 100644
index 0000000..4d932eb
--- /dev/null
+++ b/src/math/isStrictlyBetween.ts
@@ -0,0 +1,3 @@
+export const isStrictlyBetween = (value: number, min: number, max: number) => {
+  return value > min && value < max;
+};