3state vs PatternBank
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3state
This application is designed for residents and staff of communities managed by Tri-State Enterprises. It enables users to submit work orders and view important announcements. An existing myPM website login is required for access.
- Submit work orders
- View community announcements
- Access community information
- Requires existing login
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This app is for residents and staff of communities managed by Tri-State Enterprises. Our app allows you to submit work orders, view announcements, and more! You must have an existing login to the myPM website to use this app. If you don’t have one, please contact our office.
PatternBank
This app helps you remember coding solutions by turning solved problems into spaced repetition reviews. Track your progress, confidence, and review schedules to master algorithms and prepare for technical interviews.
- Track algorithm problems by title, difficulty, confidence, notes, and patterns
- Review problems on a spaced repetition schedule
- Rate confidence from 1 to 5 stars
- Connect public LeetCode Activity
- Daily workflow with due reviews and LeetCode solves
- Track progress by pattern and review history
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Stop forgetting LeetCode solutions. PatternBank helps you retain what you practice by turning solved problems into confidence-based spaced repetition reviews. Solving hundreds of problems is not the same as remembering them. PatternBank gives you a focused system for tracking what you solved, how confident you felt, which patterns were involved, and when you should review next. Use PatternBank to: - Track algorithm problems by title, difficulty, confidence, notes, and patterns - Review problems on a spaced repetition schedule - Rate confidence from 1 to 5 stars after each review - Connect public LeetCode Activity to bring recent accepted submissions into Today - See due reviews, LeetCode solves, and completed work in one daily workflow - Track progress by pattern, review history, confidence trend, and 30-day projection - Exclude problems you do not want in the review queue - Start locally without an account, then sign in when you want cloud sync PatternBank is built for technical interview prep, algorithm practice, and long-term recall. It keeps the workflow simple: capture the problem, rate your confidence, review what is fading. LeetCode Activity uses public profile activity. PatternBank does not ask for your LeetCode password.
Screenshots
Verdict
The clearest difference is rating: PatternBank at 5.0 against 3state's 3.0. PatternBank also leads on update cadence (every 2 weeks vs every 22 months). 3state's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, 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. Neither carries in-app purchases, so what you see is what you pay.
PatternBank holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
3state ships an update every 22 months, PatternBank every 2 weeks. The most recent releases landed on September 11, 2026 and July 29, 2026 respectively.
| Parameter | 3state | PatternBank |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 22 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 16 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Concierge Plus Inc. | Yi Zhang |
Customer experience
3state
PatternBank
In-app purchases
3state
No in-app purchases
PatternBank
No in-app purchases





