ChemWhiz vs Honorlock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChemWhiz
This app simplifies chemistry calculations by quickly finding molar mass from chemical formulas and converting between common units. It also provides detailed information for every element in the periodic table.
- Calculate molar mass from chemical formulas
- Convert between common chemical units
- Access comprehensive periodic table data
- Share calculations and element information
- Today widget for clipboard calculations
- Share extension for selected text calculations
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Best iOS App/3rd place overall winner at HS Hacks 2014! Tired of wasting your time doing menial calculations during chemistry labs? Then ChemWhiz is the app for you. Quickly find the molar mass of any chemical simply by typing its formula. Convert between common units like moles, liters, and grams. And view at-a-glance information about every element in the periodic table. • Enter chemical formulas and quickly check their molar mass • Quickly convert between common units of any chemical • Scroll through a vertical periodic table with all the information you'll need • Share calculations and elements through Facebook, Twitter, and more • Fully updated for iOS 12, iPhone XS Max, and the iPad Pro • Today widget to calculate the molar mass of the device's clipboard (requires iOS 10) • Share extension to calculate the molar mass of selected text anywhere across the device • 3D Touch shortcuts and previews throughout Stop wasting your time with calculations. Download ChemWhiz today! Created by Anant J, Aakash A, Youssef S, and Kamesh V.
Honorlock
This app facilitates secure authentication for online assessments by using your mobile device as a webcam. It guides you through setup steps before your session begins, ensuring a smooth connection to your institution's Honorlock enabled exams.
- Mobile device as webcam
- Guided authentication steps
- Secure connection to assessments
- ID, workspace, and camera setup
- Saved progress
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Honorlock helps you complete your authentication steps and use your mobile device as a webcam during supported Honorlock online assessments. This app walks you through each step before your session begins, then securely connects your phone's camera to your session. This app does not deliver sessions or provide proctoring itself. It works alongside your institution's Honorlock enabled assessments. Features - Guided, step-by-step Honorlock authentication - Use your phone's camera as a webcam - ID, workspace, and camera setup in one place - Saved progress so an interruption won't make you start over - Compatible with supported Honorlock enabled assessments
Screenshots
Verdict
The clearest difference is review sentiment: ChemWhiz at 100% against Honorlock's 2%. ChemWhiz also leads on rating (5.0 vs 1.1) and device support (3 vs 1). Honorlock's advantage is ratings volume (391 vs 7) and update cadence (every 2 weeks vs every 6 weeks). On price, ads, in-app purchases and monetization model 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.
ChemWhiz holds the better App Store score, 5.0 against 1.1. That said, the two scores are not equally well evidenced: Honorlock has 391 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 100% of ChemWhiz's written reviews are positive against 2% of Honorlock's.
ChemWhiz ships an update every 6 weeks, Honorlock every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.
| Parameter | ChemWhiz | Honorlock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | 1.1 (391 ratings) |
| Positive reviews | 100.0% of reviews — better | 2.4% of reviews |
| Number of ratings | 7 | 391 — better |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #199 — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | Anant Jain | Honorlock |
Customer experience
ChemWhiz
Honorlock
In-app purchases
ChemWhiz
No in-app purchases
Honorlock
No in-app purchases









