Comparison

Hold It vs MathBrain

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

Head to head
About

Hold It

This app helps you stay focused by limiting access to distracting applications during study or deep work sessions. Set daily time limits or launch counts for chosen apps with a simple, private, and effective system. Pay once and use it forever, with no recurring fees or hidden costs.

Highlights
  • Limit app usage by time or launches
  • One-time purchase, no subscriptions
  • Simple setup in under a minute
  • Works fully offline
  • Private, no data uploaded or shared
  • Designed for students and deep work
Read full description

Tired of monthly or yearly subscriptions? Competitors charge thousands of yen every year. With Hold It, pay just $9.99 ONCE, and it's yours forever.No recurring fees. No hidden costs. 100% private. Trying to study but keep checking your phone? You open your notes, then reach for social media without thinking. One video turns into thirty minutes. Your focus disappears before you even realize it. Hold It is a simple app designed to help you stay focused during study time. Stay focused without complicated setups Hold It removes distractions so you can concentrate on what matters. Choose the apps you want to limit. Set a daily time limit or number of launches. That is all. No shortcuts. No automations. No complex rules. Just a simple system that helps you stay on track. Designed for students and deep work Hold It is perfect for: – Students preparing for exams – People doing deep work – Anyone who wants a distraction-free study session Instead of relying on willpower, you change your environment. No subscriptions. Pay once. Use forever. Most productivity apps charge monthly or yearly subscriptions. Hold It is different. You pay once and keep using it forever. No recurring payments. No hidden upgrades. Simple setup in under one minute Select the apps you want to limit. Set your rules. Start focusing. No technical knowledge needed. Works fully offline Your data stays on your device. Nothing is uploaded. Nothing is shared. Focus is not about discipline If you struggle to focus, it is not because you are lazy. Apps are designed to keep you engaged. Hold It helps you take back control by removing distractions. Simple. Private. Effective.

About

MathBrain

This app transforms screen time into a learning opportunity by presenting a quick math, logic, or science challenge before selected apps can be opened. It encourages focus and daily mental practice for students, families, and brain-training enthusiasts.

Highlights
  • Daily STEM challenges
  • Math, logic, and science puzzles
  • Smarter screen-time routine
  • Parental control for learning
  • Brain training for adults
  • Builds consistency and habits
Features
Read full description

MathBrain Unlock turns everyday screen time into a moment of learning. Before selected apps open, users solve one short math, logic, or science challenge. It is a simple idea with a powerful result: less passive screen time, more focus, curiosity, and daily mental practice. Designed for students, families, and brain-training fans, MathBrain Unlock helps make every unlock more meaningful. Instead of jumping straight into entertainment, users take a few seconds to think, solve, and engage their brain first. Why people love MathBrain Unlock: Quick daily challenges that fit into real life Math, logic, and science problems in short, fun formats A smarter screen-time routine for kids and teens A simple way for parents to add learning before entertainment A fun mental warm-up for adults who enjoy brain training Easy-to-start challenges that build consistency and better habits Whether you want to encourage learning at home, reduce mindless app use, or add a small daily challenge to your routine, MathBrain Unlock makes it easy to turn screen time into brain time. Think first. Tap later. Make every unlock count with MathBrain Unlock. Daha conversion odaklı alternatif description MathBrain Unlock helps users solve one quick puzzle before opening selected apps. Each unlock becomes a chance to practice math, logic, or science in under a minute. Built for students, parents, and curious adults, the app turns passive screen time into a simple daily learning habit. Short challenges make it easy to build focus, strengthen thinking skills, and bring more intention to everyday app use. Use MathBrain Unlock to: Add a learning step before entertainment Encourage smarter screen-time habits Make quick brain training part of the day Keep kids engaged with fun mental challenges Give adults a fast, satisfying cognitive warm-up From math puzzles to logic problems and science-based questions, every challenge is designed to be short, fun, and rewarding. Turn every unlock into progress. Developed by Fastemy - Fast and Fun Education Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Hold It4 screens
MathBrain4 screens

Verdict

The call

The clearest difference is price: MathBrain at Free against Hold It's $9.99. Hold It's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs every 2 months). On ads, device support and iOS requirement 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

MathBrain is free to download; Hold It costs $9.99 up front. MathBrain sells 3 in-app purchases, starting at $6.99 per month. Hold It asks for nothing beyond the download.

UpkeepUpdate frequency

Hold It ships an update every 2 weeks, MathBrain every 2 months. The most recent releases landed on September 7, 2026 and June 26, 2026 respectively.

Scorecard4 real differences · 6 level
Hold It versus MathBrain: the parameters behind the verdict, then further details
ParameterHold ItMathBrain
Price$9.99Free — better
Rating—3.5 (4 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings—4 — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.6 — better
Further details — not scored
Size3 MB19 MB
Age rating4+4+
Developerkaisei watanabeAbdullah YILMAZ

In-app purchases

None

Hold It

No in-app purchases

3 purchases

MathBrain

Subscriptions2
  • MathBrain Unlock Premium Monthly$6.991 Month
  • MathBrain Unlock Premium Yearly7 Days trial$39.991 Year
One-time1
  • MathBrain Unlock Premium Lifetime$49.99

Questions

Is Hold It free?
Hold It costs $9.99, with no in-app purchases.
Is MathBrain free?
MathBrain is free to download, with in-app purchases available.
Do Hold It or MathBrain have ads?
Neither Hold It nor MathBrain shows ads.
Which is updated more often, Hold It or MathBrain?
Hold It ships an update every 2 weeks, and MathBrain every 2 months. Most recently, Hold It was updated on September 7, 2026 and MathBrain on June 26, 2026.

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