Prism vs LIMSTAR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
LIMSTAR
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LIMSTAR is a space-themed self-discipline tool. Walk, meditate, and explore nature to earn app usage time. Begin your starship journey now.
Screenshots
Verdict
The clearest difference is update cadence: LIMSTAR at weekly against Prism's fortnightly. Prism's advantage is ratings volume (9 vs 2). On price, rating, ads and in-app purchases 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
Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per year and LIMSTAR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.9 for Prism against 5.0 for LIMSTAR. Both are backed by a comparable volume of ratings — 9 and 2 respectively.
Prism ships an update fortnightly, LIMSTAR weekly. Both last shipped on October 24, 2026.
| Parameter | Prism | LIMSTAR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (9 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 2 |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 484 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | DEVSONICS (SMC-PRIVATE) LIMITED | 羽 唐 |
In-app purchases
Prism
- Yearly Subscription7 Days trial$4.991 Year
- LifeTime Access$19.99
LIMSTAR
- LIMSATR Life Member$0.99









