Comparison

Stone Identifier vs Chemlab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Stone Identifier

Identify stones and rocks using AI by simply taking a photo. Explore a vast database of geological treasures and learn about their composition and formation. Perfect for enthusiasts and learners of all ages.

Highlights
  • AI-powered stone identification from photos
  • Extensive database of rocks, minerals, and gemstones
  • Information on composition and formation
  • Portable geology laboratory
  • Suitable for all ages and knowledge levels
Features
Read full description

Discover the captivating realm of geology with the stone identifier, the ultimate resource for amateur geologists, hobbyists, and stone enthusiasts! This application provides you with a comprehensive stone identification guide right at your fingertips, allowing you to explore the diverse geological treasures of the Earth at any time and any place. Key Features: Stone identification: Capture a photo of any stone you encounter, and our AI-powered tool will identify it for you, presenting information such as its type, composition, and formation. Extensive Stone Database: Gain access to our extensive library showcasing thousands of different types of rocks, minerals, and gemstones. Whether you're hiking in the mountains, strolling along the beach, or simply curious about the pebble in your backyard, the stone identifier is your go-to app for comprehending the rocky world beneath our feet. Transform your device into a portable geology laboratory and embark on an exploration of the marvels within the Earth's crust today! No prior geological knowledge is required; it is excellent for learners of all ages. Discover the tales that stones tell with the stone identifier – your pocket-sized companion in the realm of geology! Terms of Use: Apple Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Chemlab

Features
Read full description

Demystify the microscopic world and transform your understanding of molecular science with Chemlab, the premier interactive chemistry ecosystem engineered to explain the universe through the lens of atoms, elements, and real-world reactions. Navigating traditional chemistry education frequently induces severe cognitive friction due to abstract formulas, dry textbook recitations, and intimidating symbol grids that fail to connect with daily reality. Chemlab completely rebuilds this learning paradigm by converting complex molecular behaviors, chemical equations, and structural concepts into a living, visual journey tailored for high school students, university academics, and curious minds who want to know how the world functions. The application overhauls the iconic Periodic Table by replacing static character blocks with highly responsive element profiles. Tapping any individual element instantly unlocks a comprehensive data sheet detailing its physical origins, industrial applications, and fascinating historical narratives. Discover the organic logic behind elements with distinct personalities to learn why gold permanently resists tarnishing, why mercury presents acute neurological hazards, and how carbon establishes the absolute structural framework for carbon-based life. The platform bridges abstract academia with domestic reality by dedicating an entire terminal to everyday household chemistry, showing you exactly how soap breaks down oils, what causes a sliced apple to darken when exposed to oxygen, and why mixing specific common cleaning agents like bleach and vinegar triggers highly dangerous toxic reactions. Bring scientific validation directly into your living space with a curated collection of safe, repeatable home experiments designed to cultivate analytical thinking through direct practice. Step-by-step laboratory instructions empower you to build vinegar volcanoes, synthesize invisible inks, and grow crystalline structures while explaining the exact molecular forces driving each outcome. To establish a flawless foundation, the platform translates fundamental scientific terminology into human language, clarifying the operational differences between atoms, molecules, ions, acids, alkalis, and pH balances. This foundational literacy works alongside a critical myth-busting terminal that replaces chemical panic with rational logic, dissecting popular phobias regarding organic compounds, processed preservatives, and food-grade E-additives. Review your growing mastery through an integrated interactive quiz terminal where you can identify elements from cryptic clues, predict reaction results, and spot structural errors in a gamified learning environment. For immediate scholastic support and spontaneous queries, engage with the conversational AI Chemist, an intelligent on-device tutor optimized to deliver step-by-step analytical solutions. Whether you are struggling to balance complex stoichiometry problems, seeking a plain-language summary of what a mole represents, or asking why water extinguishes combustion networks, your digital mentor provides rapid, context-aware breakdowns. Chemlab serves as your indispensable companion to accelerate your academic performance, unlock hidden scientific secrets, and claim complete intellectual sovereignty over the material world.

Screenshots

Stone Identifier4 screens
Chemlab4 screens

Verdict

The call

Stone Identifier and Chemlab are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stone Identifier sells 4 in-app purchases, starting at $2.99 per 7 days and Chemlab sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Stone Identifier ships an update every 6 weeks, Chemlab monthly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

ScorecardNo meaningful differences
Stone Identifier versus Chemlab: the parameters behind the verdict, then further details
ParameterStone IdentifierChemlab
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size77 MB9 MB
Age rating4+4+
DeveloperVIET NAM JINGLE SOFTWAREVolodumur Kolosovskiy

In-app purchases

4 purchases

Stone Identifier

Subscriptions3
  • Stone Identifier Weekly Pro$2.997 Days
  • Stone Identifier Monthly Pro$5.991 Month
  • Stone Identifier Yearly Pro3 Days trial$29.991 Year
One-time1
  • Full access lifetime$79.99
2 purchases

Chemlab

One-time2
  • AI Chemist Unlimited$1.99
  • Experiments Pack$1.99

Questions

Is Stone Identifier free?
Stone Identifier is free to download, with in-app purchases available.
Is Chemlab free?
Chemlab is free to download, with in-app purchases available.
Do Stone Identifier or Chemlab have ads?
Neither Stone Identifier nor Chemlab shows ads.
Which is updated more often, Stone Identifier or Chemlab?
Stone Identifier ships an update every 6 weeks, and Chemlab monthly. Most recently, Stone Identifier was updated on October 8, 2026 and Chemlab on October 11, 2026.

Other comparisons