Launch vs ChemLens
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Launch
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LaunchMate - Your Complete Model Rocket Launch Companion Plan, simulate, and track your egg-carrying model rocket launches with precision. Whether you're competing in STEM challenges or exploring rocketry, LaunchMate provides the tools you need for successful flights.
ChemLens
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ChemLens turns your camera into a chemistry lens. Point it at any everyday object โ a wooden chair, a plastic bottle, a glass cup, a metal coin โ and ChemLens identifies what it is and shows you the materials, elements, and environmental footprint behind it. Curious students, science teachers, and anyone who loves learning will find ChemLens a friendly way to connect the chemistry they study with the objects they touch every day. WHAT YOU GET FROM EACH SCAN โข Object identification โ name, category, and a one-line composition summary โข Chemical composition โ the main constituents and their estimated percentages, shown as a clean bar chart โข Elemental breakdown โ the key chemical elements (O, Si, C, Fe, S, and more) with short, plain-language notes โข Environmental impact โ rough carbon footprint, water use, and recyclability estimates โข Material origins โ where these materials typically come from and a bit of history โข Suggested reading โ curated links (mostly Wikipedia) so you can dive deeper into anything that catches your interest KEY FEATURES โข Scan with your camera or upload a photo from your gallery โข Bilingual interface โ English and Simplified Chinese, switchable any time including on the login screen โข Personal scan history with search and material filters โข Bookmark any scan to revisit it later โข Cloud sync โ your scan history follows you across devices once you sign in โข Privacy-first camera โ the camera is off whenever you leave the Scan tab, so your privacy indicator stays off โข Account control โ full account-delete option built right into Settings EDUCATIONAL, NOT A LABORATORY ChemLens is a learning tool, not a chemical analyzer. Every result is the AI's educated guess from a single photo โ useful for sparking curiosity and reinforcing classroom topics, but not a substitute for lab analysis, safety information, or medical advice. The model is told to be conservative, and we always show you the source disclaimer.
Screenshots
Verdict
Launch and ChemLens are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Launch | ChemLens |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details โ not scored | ||
| Size | 55 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Ping Zhou | Coding Minds, Inc. |
In-app purchases
Launch
No in-app purchases
ChemLens
No in-app purchases









