Illini Central CUSD 189 vs DrPhos' Stoichiometry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Illini Central CUSD 189
Stay informed about school events, district updates, and cafeteria menus. Customize notifications for your student's organizations and easily access staff contact information. Never miss important announcements or deadlines with this comprehensive communication tool.
- Event calendar with sharing
- Customizable notifications
- Weekly cafeteria menus
- District live feed updates
- Staff and department directory
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Introducing the brand new app for Illini Central CUSD 189. NEVER MISS AN EVENT The event section shows a list of events throughout the district. Users can add an event to their calendar to share the event with friends and family with one tap. CUSTOMIZE NOTIFICATIONS Select your student's organization within the app and make sure you never miss a message. CAFETERIA MENUS Within the dining section, you'll find an easy to navigate, weekly menu, sorted by day and meal type. DISTRICT UPDATES In the Live Feed is where you'll find updates from the administration about what's going on in the district right now. Whether that's celebrating a student's success, or reminding you about an upcoming deadline. CONTACT STAFF & DEPARTMENTS Find relevant staff and department contacts under an easy-to-navigate directory.
DrPhos' Stoichiometry
This tool simplifies solving chemical reaction problems by allowing users to input balanced equations and identify known and unknown compounds. It instantly calculates moles and mass, assisting students with various stoichiometry challenges.
- Mole, mass, and volume conversions
- Balanced chemical equation support
- Compound selection
- Limiting reactant detection
- High school and college chemistry focus
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Solve Stoichiometry Problems Fast The DrPhos Stoichiometry Tool makes solving chemical reaction problems simple. Enter a balanced equation, choose known and unknown compounds, and instantly calculate moles and mass. Designed for chemistry students, this tool walks you through the stoichiometric process with clean visuals and intelligent logic. Whether you’re solving basic mole ratios or limiting reactant problems, this app keeps your work fast, accurate, and focused. Features: • Supports mole, mass, and volume conversions • Works with balanced chemical equations • Select known and unknown compounds easily • Built-in limiting reactant detection • Ideal for high school and college chemistry Use this app on its own or unlock it within the full DrPhos GenChem Helper suite to streamline your chemistry toolkit.
Screenshots
Verdict
The clearest difference is price: Illini Central CUSD 189 at Free against DrPhos' Stoichiometry's $0.99. Illini Central CUSD 189 also leads on in-app purchases (none vs 10) and ratings volume (6 vs 2). DrPhos' Stoichiometry's advantage is rating (5.0 vs 3.7) and update cadence (every 3 weeks vs every 3 months). On ads, device support and iOS requirement 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
Illini Central CUSD 189 is free to download; DrPhos' Stoichiometry costs $0.99 up front. DrPhos' Stoichiometry sells 10 one-off in-app purchases. Illini Central CUSD 189 asks for nothing beyond the download.
DrPhos' Stoichiometry holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 2 respectively.
Illini Central CUSD 189 ships an update every 3 months, DrPhos' Stoichiometry every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Illini Central CUSD 189 | DrPhos' Stoichiometry |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.7 (6 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 145 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Illini Central CUSD189 | Monte L Helm |
Customer experience
Illini Central CUSD 189
DrPhos' Stoichiometry
In-app purchases
Illini Central CUSD 189
No in-app purchases
DrPhos' Stoichiometry
- Significant Figures Counter$0.99
- Science Calculator$0.99
- Quadratic Equation Solver$0.99
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- Kinetics$0.99
- General Chemistry Naming$0.99
- Ionic Compound Builder$0.99
- Solution Concentrations$0.99
- Reaction Balancer$0.99
- pH Calculator$0.99
- Stoichiometry$0.99
Questions
Is Illini Central CUSD 189 free?
Is DrPhos' Stoichiometry free?
Which has better reviews, Illini Central CUSD 189 or DrPhos' Stoichiometry?
Do Illini Central CUSD 189 or DrPhos' Stoichiometry have ads?
Which is updated more often, Illini Central CUSD 189 or DrPhos' Stoichiometry?
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