Comparison

readlock vs Math Shield

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

Head to head
About

readlock

Read full description

Break the doomscrolling cycle with readlock, the app that locks your most distracting apps until you complete your daily reading. Choose which apps to block - social media, games, streaming - and readlock keeps them locked until you've read. Once you finish your daily reading, your apps unlock automatically for the rest of the day. How it works: β€’ Select the apps you want to block β€’ Set a daily lock time - your apps lock again each day at that time β€’ Complete your daily reading to unlock them β€’ Build a reading streak and track your progress over time Features: β€’ Curated library of 70+ book insights across topics like productivity, finance, science, and more β€’ Track your reading streak, total reads, and time spent reading β€’ Add books to your personal library to prioritize what you read next β€’ Set a daily reminder to read before your apps lock readlock turns screen time into reading time - one day at a time. Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription Policy: https://docs.google.com/document/d/1-7tooybCedT9l65kBVJSvekUcjIuPe8e_tEMcRB3Td0/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1pJuEopap3xDAhfAzuDXVd1DvLhZ6yzsxnAf3kMfYo2Q/edit?usp=sharing

About

Math Shield

Features
Read full description

Stay Focused with Math Shield Math Shield helps you reduce distractions and build better focus habits by placing a math challenge between you and your most distracting apps. Instead of mindlessly opening social media, games, or other time-wasting apps, you'll need to solve a math problem before gaining temporary access. This simple barrier helps break automatic habits and encourages intentional screen time. Key Features Block Distracting Apps: Choose the apps you want to limit and keep them locked during focus sessions. Unlock with Math Challenges: Solve math problems before accessing blocked apps. Temporary App Access: Gain limited access after successfully completing a challenge. Stay Productive: Create friction between impulses and distractions to help maintain focus. Easy Setup: Select apps, choose your preferences, and let Math Shield help you stay on track. Perfect For - Students who want to focus on studying - Professionals who need distraction-free work sessions - Anyone looking to reduce screen time - People building healthier digital habits Whether you're studying, working, reading, or spending time with family, Math Shield helps you take control of your attentionβ€”one challenge at a time. Download Math Shield and make every app unlock a conscious decision. To enjoy the full experience and to gain all the premium features, you can always purchase our Monthly, Yearly or Lifetime premium subscription pack. Math Shield will automatically charge your iTunes Account at the end of your subscription unless auto-renew is turned off at least 24 hours before the end of your current period. Subscriptions renew at the original price. You can turn off auto-renew at any time and still receive full functionality until the end of your current period, but no refund can be provided for unused portions of the subscription. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. All your previous purchases can be easily restored using the **Restore Purchase** option in the app. This will provide you access to all the premium features. You can view Math Shield Terms of Use & Privacy Policy. Terms of Use (EULA):Β  https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://github.com/vinothvino42/app-privacy-policy/blob/main/math-shield.md

Screenshots

readlock4 screens
Math Shield4 screens

Verdict

The call

The clearest difference is iOS requirement: readlock at 17.6 against Math Shield's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. readlock sells 2 in-app purchases, starting at $9.99 per month and Math Shield sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Β· 5 level
readlock versus Math Shield: the parameters behind the verdict, then further details
ParameterreadlockMath Shield
PriceFreeFree
Update frequencyβ€”Every 2 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS17.6 β€” better26.0
Further details β€” not scored
Size202 MB20 MB
Age rating9+4+
DeveloperFoundry Apps LLCVinoth Ramajeyam

In-app purchases

2 purchases

readlock

Subscriptions2
  • Monthly Premium$9.991 Month
  • Yearly Premium3 Days trial$39.991 Year
3 purchases

Math Shield

Subscriptions2
  • Math Shield Pro Monthly$3.991 Month
  • Math Shield Pro Yearly3 Days trial$12.991 Year
One-time1
  • Math Shield Pro - Lifetime$19.99

Questions

Is readlock free?
readlock is free to download, with in-app purchases available.
Is Math Shield free?
Math Shield is free to download, with in-app purchases available.
Do readlock or Math Shield have ads?
Neither readlock nor Math Shield shows ads.

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