# Solve2Open

> Your children must solve addition and subtraction problems to open their favorite apps.

Canonical page: [https://chrome-stats.com/d/app.solve2open](https://chrome-stats.com/d/app.solve2open)

## Overview

- **ID:** `app.solve2open`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** daycomtech
- **Category:** PARENTING
- **Downloads:** 3
- **Version:** 1.25
- **Last updated:** 2026-07-28
- **First published:** 2026-07-10
- **Publisher country:** ES
- **Size:** 5.91 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=app.solve2open)
- **Website:** [https://daycomtech.com/](https://daycomtech.com/)
- **Privacy policy:** [https://daycomtech.com/solve2open/privacy\_policy.html](https://daycomtech.com/solve2open/privacy_policy.html)

## Description

Does your child open their phone without limits? Solve2Open blocks any app and only allows access after a math challenge is completed. No subscriptions, no ads, no cloud data.<br><br>HOW IT WORKS<br><br>Every time someone tries to open a protected app, a math challenge appears on the screen. Only those who solve the problem correctly can access it. If they don&#39;t succeed in 10 attempts, they return to the beginning.<br><br>Upon completing the challenge, the protected app opens automatically. If the screen is locked while using a protected app, the challenge will be presented again upon unlocking.<br><br>CUSTOMIZE IT<br><br>- Choose which apps to protect: YouTube, games, browser, or any other<br><br>- Select the type of challenge: addition, subtraction, or both<br><br>- Adjust the difficulty: 1, 2, or 3-digit operations<br><br>- A parental PIN protects all settings so only you can change them<br><br>TOTAL PRIVACY<br><br>Solve2Open does not collect any personal data, requires no account, and does not connect to external servers. Everything works locally on your device.<br><br>It requires enabling the Android Accessibility Service to detect which app is being opened. This permission is used exclusively to intercept the launch of protected apps and does not access passwords, text, or personal data.<br><br>WHO IS IT FOR?<br><br>- Parents who want to limit their children&#39;s screen time on phones and tablets<br><br>- Families who need parental controls without paying for subscriptions<br><br>- Anyone who wants to reduce compulsive app use<br><br>Download Solve2Open and turn every app into a challenge to earn.

## Rankings

- #3,009,162 — Overall

## Permissions and access

### Permissions

- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `app.solve2open.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`

## Similar extensions and apps

- [MathLock](https://chrome-stats.com/d/com.bigsmile169.mathlock) — 2,831 users, 4.63 / 5
- [Math Applocker](https://chrome-stats.com/d/com.mathapplocker.dev) — 1,697 users
- [Child Lock: Math & IQ Puzzles](https://chrome-stats.com/d/com.smartparentlock) — 166 users
- [MultiplyLock](https://chrome-stats.com/d/com.bigsmile169.multiplylock) — 363 users
- [MathAppBlocker](https://chrome-stats.com/d/com.roygo.mathappblocker) — 1,073 users
- [EduLock](https://chrome-stats.com/d/com.edulock) — 203 users
- [OrKey: Screen Time + Learning](https://chrome-stats.com/d/com.orkey) — 77 users
- [Math Lock](https://chrome-stats.com/d/com.mathlock.app) — 3,455 users
- [SolveGate: Screen Time Math](https://chrome-stats.com/d/com.solvegate.kids) — 38 users
- [KidsSafeTech](https://chrome-stats.com/d/com.mysecurewisdom.kidssafetech) — 11 users
- [App locker with math problems](https://chrome-stats.com/d/com.milktea.garakuta.applocktimer) — 1,282 users, 2.00 / 5
- [MathLock: Math Games App Lock](https://chrome-stats.com/d/com.mathlock) — 404 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/app.solve2open)