Geology Toolkit vs pHinder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Geology Toolkit
Identify rocks with AI and gain a deep understanding of their composition and formation. This app is designed for students and enthusiasts to learn geology beyond simple identification, offering clear explanations and visual tools for study and fieldwork.
- AI-powered rock identification
- Detailed mineral composition insights
- Student-friendly explanations
- Sketch and visual tools for notes
- Focus on geological understanding
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Geology Toolkit uses AI to identify rocks and minerals, explain formations and create labelled pencil sketches all from a photo, then tells you the story behind them - how they formed, what they're made of and what else you might find nearby. Also includes geological information like Mohs hardness, luster, chemical formula and much more. Whether you're a curious walker who picked up something interesting, a rockhound building your collection, a student preparing for fieldwork, or a professional working in the field, Geology Toolkit gives you a considered field guide in your pocket. What you can do • Identify rocks, minerals, crystals, gems, and pebbles from photos • Read the full formation story - how each specimen formed, over what timescale, in what conditions • Discover companion minerals commonly found alongside your finds • Save specimens to your personal field guide with sketches, notes, and location • Get confidence scores and alternative identifications for tricky specimens Built for serious curiosity • Rockhounds and collectors building a field guide of finds • Geology and earth science students studying mineralogy, petrology, and classification • Field professionals needing quick, reliable identification and reference • Educators and parents exploring geology with curious learners • Anyone who's ever picked up a stone and wondered what it was Why Geology Toolkit Most rock identifier apps stop at a name. Geology Toolkit goes further - explaining why a rock is what it is, how it formed, and what to look for in the field. Every identification adds to your personal field guide, building a reference you'll return to. Subscribe for unlimited identifications, full formation histories, companion mineral data, and an exportable field record. From photo to real geological understanding - one specimen at a time. Terms of Use: https://www.geologytoolkit.com/terms Privacy Policy: https://www.geologytoolkit.com/privacy-policy
pHinder
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Ever wondered why lemon tastes sour, or why your pool needs chemicals? It all comes down to pH and pHinder makes it finally make sense. Whether you're a student cramming for chemistry, a curious mind who loves science, or someone who just wants to test pH at home, pHinder is your go-to companion. What's inside: ChemBot: Your AI Chemistry Tutor Ask anything about pH, acids, bases, or chemistry. ChemBot runs entirely on-device, so your questions stay private and answers come instantly, no internet needed. Test pH at Home: Learn how to test pH using everyday items. No lab required. Quick Facts: Bite-sized chemistry knowledge, always at your fingertips. The Power of 10: Understand the logarithmic pH scale in a way that actually clicks. Common Substances Explorer: See where everyday things, coffee, blood, bleach fall on the pH scale.
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Verdict
The clearest difference is in-app purchases: pHinder at none against Geology Toolkit's 2. Geology Toolkit's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price and ads 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. Geology Toolkit sells 2 in-app purchases, starting at $2.99 per 7 days. pHinder asks for nothing beyond the download.
| Parameter | Geology Toolkit | pHinder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (28 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 28 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 100 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Laurence Wayne | GALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS |
In-app purchases
Geology Toolkit
- Weekly Subscription$2.997 Days
- Geology AI Yearly Subscription7 Days trial$24.991 Year
pHinder
No in-app purchases
Questions
Is Geology Toolkit free?
Is pHinder free?
Do Geology Toolkit or pHinder have ads?
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