---
title: "Sum Within - Reviews, Revenue and Downloads in Nepal | Apple App Store"
description: "Sum Within - Number Logic Puzzle Game  Sum Within is a challenging number logic puzzle game that exercises your logical thinking and mathematical skills through a unique sequence rule.  Game Rule: Eac"
---

# Sum Within — Nepal

![Sum Within App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/8e/85/81/8e85817d-2b41-06a0-4748-434926098921/AppIcon-0-1x_U007ephone-0-1-sRGB-85-220-0.png/434x0w.png)

**Developer:** [Amavas Sahney](https://apptail.io/developer/amavas-sahney-FPDGib)
**Category:** Games
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.sumwithin.sum
**Store:** Apple App Store
**Country:** Nepal
**Version:** 1.2 (released 2025-12-06)
**Original Release:** 2025-11-03
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/np/app/app/id6754841038)
**AppTail Page:** [https://apptail.io/app/sum-within-clPx/nepal](https://apptail.io/app/sum-within-clPx/nepal)

## Sum Within Description
Sum Within - Number Logic Puzzle Game

Sum Within is a challenging number logic puzzle game that exercises your logical thinking and mathematical skills through a unique sequence rule.

Game Rule:
Each sequence follows a specific mathematical formula: a[i] = a[i-1] + a[i-2] - i
You need to deduce the missing numbers based on the given numbers to complete the entire sequence.

Four Game Modes:
Classic Mode - One mistake ends the game, challenging your accuracy
Timed Mode - Answer as many questions as possible in 90 seconds, testing speed and precision
Endless Mode - Continuous challenge with 5 allowed mistakes
Daily Challenge - One special puzzle each day, compete with players worldwide

Three Difficulty Levels:
Easy - 5 numbers, 1 blank, range ±50
Medium - 6-7 numbers, 2 blanks, range ±100
Hard - 8 numbers, 3 blanks, range ±200

Game Features:
Clean and elegant interface design
Smooth animations and haptic feedback
Complete game history tracking
Detailed solution explanations

Perfect For:
Players who enjoy math and logic puzzles
Students looking to improve mental calculation skills
Users seeking casual brain-training games
Players who enjoy challenging themselves

Download Sum Within now and start your number logic journey.

## Sum Within Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/49/5f/b3/495fb35a-a8a7-d2df-cd40-060602e9bb60/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.07.png/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f5/03/26/f5032636-18be-9a9f-f0f3-3014828b7598/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.28.png/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b6/ce/9b/b6ce9b2a-b69e-9109-0045-1b74f4c7a9e0/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.31.png/1284x2778.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/2e/78/93/2e7893f1-182c-8dd1-2b9b-97e535c2e363/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.10.png/1284x2778.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/18/ca/5a/18ca5a56-deeb-3d49-5cca-185e8ff3738f/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.34.png/1284x2778.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e0/4a/04/e04a04d8-8042-6173-428c-847243248019/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.04.png/1284x2778.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/42/21/36/422136d0-6e78-6ad5-72cd-b22170fe3523/Simulator_Screenshot_-_iPhone_17_Pro_Max_-_2025-11-03_at_19.50.14.png/1284x2778.png)








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