Comparison

Prism vs Block Me

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

Head to head
About

Prism

This app helps you build healthier phone habits by setting personalized screen time limits, blocking distractions, and tracking your usage. It offers customizable focus sessions and routines to boost productivity and encourage mindful digital wellness.

Highlights
  • Personalized screen time limits
  • Deep Focus sessions to block interruptions
  • Screen time and usage tracking
  • Customizable work/study routines
  • Block Lists and Allow Lists
  • Quick start and chained sessions
  • Scheduled healthy breaks
Features
Read full description

Prism — Focus & Screen Time Take charge of your digital life with Prism, the ultimate app for mindful digital wellness. Prism helps you build healthier phone habits, regain focus, and unlock your productivity potential. With Prism, you can: * Limit screen time: set personalized limits for apps and sessions to cut down distractions. * Stay focused: activate Deep Focus sessions to block interruptions and get in the zone. * Track your progress: monitor screen time, pickups, and per-app usage with clear, actionable insights. * Boost productivity: create and schedule routines for work, study, sleep, or downtime — automated and reliable. * Customize your experience: use Block Lists and Allow Lists, choose Time Limits or Open Limits, and snooze sessions for special days. * Quick start options: launch one-tap prefilled sessions (15/30/45/60 min) or chain multiple sessions into a routine. * Take healthy breaks: schedule breaks between sessions to stay refreshed and avoid burnout. Why choose Prism? Prism is built for users who want results without friction. It’s simple to set up, flexible to personalize, and powerful enough to change habits. Whether you need strict blocking for deep work or gentle nudges for mindful usage, Prism helps your phone support your goals — not derail them. Unlock premium features: * Custom Focus Modes for tailored blocking behavior * Advanced Analytics with deeper usage trends * Weekly Wellness Reports to track long-term progress * Unlimited sessions and schedules Privacy & permissions Prism only requests the permissions needed to manage app access and display on-device usage. We do not sell your data — all usage stats are stored locally. Start your journey to mindful digital living today — download Prism and reclaim your attention, one session at a time. Privacy Policy: https://devsonics.com/prism/terms-of-service.html Terms of Use: https://devsonics.com/prism/terms-of-service.html

About

Block Me

This app helps you reclaim focus by temporarily blocking distracting applications and silencing their notifications. It offers a high-friction approach to digital wellness, with optional NFC tag integration for a tangible commitment to your focus sessions. It is completely free with no ads or in-app purchases.

Highlights
  • Temporarily block distracting apps
  • Silence app notifications
  • High-friction focus sessions
  • Optional NFC tag integration
  • No user accounts or data collection
  • Completely free
Features
Read full description

In a world designed to steal your attention, “just one more minute" easily turns into thirty - Block Me helps you take it back. Block Me was born out of frustration with companies charging outrageous prices for a simple piece of plastic with an NFC tag inside. We believe tools for digital wellness should be accessible to everyone, not another expensive subscription. That’s our commitment: Block Me is completely free and contains no ads or in-app purchases. Ever. Block me is a simple yet powerful app built on a philosophy of "high-friction" to help you create intentional space away from digital distractions. It allows you to temporarily block distracting apps and silence their notifications, creating a clean space for you to focus, work, or just be present. The app is fully featured right out of the box, with no extra hardware needed to start building healthier habits. For those who want a physical separation, you can power up your experience by bringing your own NFC tag. Link any standard, inexpensive tag to a Block, and a simple tap is all it takes to start or stop a session, creating a tangible commitment to your focus. Your privacy is paramount. Block Me has no user accounts, collects no personal data, and all of your settings are stored exclusively and securely on your device. Join us, and let's start taking back our time.

Screenshots

Prism4 screens
Block Me4 screens

Verdict

The call

The clearest difference is in-app purchases: Block Me at none against Prism's 2. Prism's advantage is ratings volume (9 vs 1). On price, rating, ads and device support 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. Prism sells 2 in-app purchases, starting at $4.99 per year. Block Me asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Prism against 5.0 for Block Me. That said, the two scores are not equally well evidenced: Prism has 9 ratings behind it against 1, so its average is the more settled of the two.

Scorecard3 real differences · 7 level
Prism versus Block Me: the parameters behind the verdict, then further details
ParameterPrismBlock Me
PriceFreeFree
Rating4.9 (9 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings9 — better1
Update frequencyFortnightly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhoneiPhone
Requires iOS17.017.0
Further details — not scored
Size484 MB2 MB
Age rating4+4+
DeveloperDEVSONICS (SMC-PRIVATE) LIMITEDDavid Gonzalez

In-app purchases

2 purchases

Prism

Subscriptions1
  • Yearly Subscription7 Days trial$4.991 Year
One-time1
  • LifeTime Access$19.99
None

Block Me

No in-app purchases

Questions

Is Prism free?
Prism is free to download, with in-app purchases available.
Is Block Me free?
Block Me is free to download, with no in-app purchases.
Which has better reviews, Prism or Block Me?
Block Me is rated higher. Prism averages 4.9 out of 5 from 9 ratings, while Block Me averages 5.0 from 1 ratings.
Do Prism or Block Me have ads?
Neither Prism nor Block Me shows ads.

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