Comparison

DoomMath vs SmartBlock

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

Head to head
About

DoomMath

This app requires solving math problems to unlock your phone's applications. It aims to replace unproductive scrolling habits with a more engaging mental exercise. Access to its features is available through a subscription.

Highlights
  • App blocking functionality
  • Math problem solving for unlocks
  • Habit replacement tool
  • Subscription-based access
  • Yearly discount plan
Features
Read full description

An app blocker where you have to solve math problems to unlock your apps! Block your unproductive infinite scrolling, brain rotting apps and only unlock them when you solve some math problems! Replace a bad habit with a good one! Note: Access to DoomMath requires a subscription. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://doommath-production.up.railway.app/privacy

About

SmartBlock

This app requires children to solve math or logic challenges before accessing blocked applications. Parents can customize app blocking and challenge difficulty, with no ads or tracking. It offers a free tier for one app block and a premium subscription for unlimited blocking.

Highlights
  • Math and logic challenges for app access
  • Customizable app blocking
  • Adjustable challenge difficulty
  • Offline functionality
  • No ads or tracking
  • Supports iPhone, iPad, and Mac
Features
Read full description

Most parental control apps just block. SmartBlock makes kids earn access. Every time your child tries to open a blocked app YouTube, TikTok, Instagram, games they get a quick challenge: math, flags, number sequences and more. No solution, no access. Simple. HOW IT WORKS Set which apps get blocked SmartBlock intercepts each access attempt Child must solve a challenge to proceed Parents choose the difficulty MATH LEVELS From simple addition to mixed operations you choose what fits your child's grade. Addition and Subtraction Multiplication Adjustable difficulty (Easy to Hard) BUILT FOR PARENTS Native Screen Time and Family Controls integration No accounts required fully offline Zero ads, zero tracking Everything stays on your device (no servers) iPhone, iPad, and Mac (M1 or later) WHY PARENTS CHOOSE SMARTBLOCK "I don't want to just take away the iPad. I want her to do something useful first." SmartBlock solves exactly that. Screen time doesn't disappear it gets earned. Kids stay sharp during vacations, weekends, and after school without you having to fight over devices. Available in English, Spanish, Portuguese, German, French, Italian and Japanese. Free plan lets you block 1 app. Premium unlocks unlimited blocked apps via an auto-renewing subscription (Premium Weekly or Premium Monthly, part of the Smart Block Premium subscription group). Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your Apple ID account settings. Privacy Policy: https://superapp.uy/smartblocks/privacy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DoomMath4 screens
SmartBlock4 screens

Verdict

The call

The clearest difference is rating: SmartBlock at 5.0 against DoomMath's 1.0. SmartBlock also leads on monetization model (freemium vs subscription). On price, ratings volume, update cadence and ads 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

Both are free to download. DoomMath sells 2 in-app purchases, starting at $34.99 per year and SmartBlock sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SmartBlock holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

DoomMath ships an update every 2 weeks, SmartBlock every 10 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

Scorecard2 real differences · 7 level
DoomMath versus SmartBlock: the parameters behind the verdict, then further details
ParameterDoomMathSmartBlock
PriceFreeFree
Rating1.0 (1 ratings)5.0 (1 ratings) — better
Number of ratings11
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.616.0 — better
Further details — not scored
Size12 MB20 MB
Age rating4+4+
DeveloperPandish ltdAGUSTIN LUIS FORNIO LAINO

In-app purchases

2 purchases

DoomMath

Subscriptions2
  • DoomMathYearlyDiscount$34.991 Year
  • DoomMath3 Days trial$59.991 Year
2 purchases

SmartBlock

Subscriptions2
  • Premium Weekly$2.997 Days
  • Premium Monthly$4.991 Month

Questions

Is DoomMath free?
DoomMath is free to download, with in-app purchases available.
Is SmartBlock free?
SmartBlock is free to download, with in-app purchases available.
Which has better reviews, DoomMath or SmartBlock?
SmartBlock is rated higher. DoomMath averages 1.0 out of 5 from 1 ratings, while SmartBlock averages 5.0 from 1 ratings.
Do DoomMath or SmartBlock have ads?
Neither DoomMath nor SmartBlock shows ads.
Which is updated more often, DoomMath or SmartBlock?
DoomMath ships an update every 2 weeks, and SmartBlock every 10 days. Most recently, DoomMath was updated on November 5, 2026 and SmartBlock on November 13, 2026.

Other comparisons