Gemstone Identifier º vs Accelerometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gemstone Identifier º
Instantly identify gemstones, rocks, and minerals from a photo. Discover their value, history, care instructions, and authenticity. Chat with an AI expert and manage your collection.
- Identify stones by photo
- Estimate stone value
- Detect fakes
- Detailed stone facts
- AI gem expert chat
- Collection management
- Metal detector
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Snap a photo of a gem, rock, crystal or mineral and find out what it is in seconds, with its value, its story and how to care for it. IDENTIFY ANY STONE • Point your camera or pick a photo from your gallery • Get the most likely match with a confidence score, plus look-alikes to compare • Three scan modes: Identify, Value and Real or fake • Snap tips help you take a clear, sharp shot KNOW WHAT IT'S WORTH • An estimate for your own specimen, in your currency • Market price ranges by size and quality • What drives the price, plus rarity, popularity and beauty scores SPOT FAKES BEFORE YOU BUY • A verdict on your photo, with the visible clues behind it • Common imitations and how to tell them apart • Simple home tests you can do safely EVERY DETAIL, DECODED • Key facts: Mohs hardness, chemical formula, crystal system, luster, specific gravity and more • How it formed, how old it is and where it is found • Varieties and look-alikes • Care guide: durability, cleaning steps, storage and what to avoid • Traditions and meanings if you want them: birthstones, zodiac, chakras, clearly labeled as cultural beliefs ASK A GEM EXPERT • Chat with an AI gem expert about any stone: value, care, authenticity or history • Ready-made questions to get started, answers in seconds YOUR COLLECTION • Every scan is saved in your history • Keep your favorite finds in My stones and your dream stones in a wishlist • Add notes: where you found it, what you paid, its weight • Share a specimen label card FREE TO EXPLORE • An encyclopedia of 60 gems, crystals, rocks and fossils with full profiles • Popular gems, real vs fake, birthstones by month, zodiac stones, crystals and traditions, tumbled stones • Practical guides and a stone of the day • A metal detector that uses your phone's magnetic sensor PREMIUM Identification, value estimates, real-or-fake checks and the gem expert are part of Premium (fair use applies). The price and billing period are shown in the app before you subscribe. Payment is charged to your Apple ID. The subscription renews automatically unless it is canceled at least 24 hours before the end of the period. Manage or cancel it anytime in your App Store account settings. GOOD TO KNOW Results come from an AI analysis of your photo and are indicative. For buying, selling or insurance, ask a certified gemologist or a gem lab. Value estimates are not financial advice, and cultural meanings are not medical claims. No account needed. Available in 11 languages. Terms of Use: https://qualitechnologies.com/terms-of-use Privacy Policy: https://qualitechnologies.com/privacy-policy
Accelerometer
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Accelerometer turns your phone into a precision motion meter. See exactly how your device moves on every axis, in real time, with smooth live charts and instant RMS readings. KEY FEATURES • Live X, Y, Z axis tracking — watch acceleration update in real time as your device moves • Vector magnitude view — switch from per-axis charts to combined magnitude display in one tap • Last & Peak RMS readouts — never miss the maximum value during a session • Configurable units — read values in g or m/s² to match your workflow • Save sessions — capture any measurement and keep it in your History for later • History detail view — re-open any saved session with full chart snapshot and numeric breakdown • Search & rename — find past sessions fast and label them however you want • Share & export — send measurements as image, plain text, or .txt file to anyone • Multi-select — share or delete several past sessions at once • Clean, dark-themed interface — easy to read in workshops, labs, or in the field WHO IT'S FOR • Engineers and technicians measuring machine vibration on the go • Carpenters, woodworkers, and DIYers checking tool balance • Drivers logging ride quality or suspension behavior • Students and educators demonstrating physics concepts • Curious tinkerers who want to see what their phone is actually feeling PRIVACY FIRST All measurements stay on your device. Nothing is uploaded, nothing is tracked beyond what's needed to keep the app working. You stay in control. — Accelerometer app is free. You can use it forever, at no cost. However, Accelerometer does offer premium features for its subscribers. If you decide to purchase an upgrade, you will unlock additional features. Terms of Use: https://kociapp.github.io/Accelerometer/term-of-use Privacy Policy: https://kociapp.github.io/Accelerometer/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Gemstone Identifier º at none against Accelerometer's shown. On price, in-app purchases, 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
Both are free to download. Gemstone Identifier º sells 2 in-app purchases, starting at $6.99 per 7 days and Accelerometer sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | Gemstone Identifier º | Accelerometer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (13 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 5 months | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 64 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Qualitechnologies LLC | Andy Sutanto |
In-app purchases
Gemstone Identifier º
- Weekly$6.997 Days
- Gemstone Identifier Premium$34.991 Year
Accelerometer
- 1W$3.997 Days
- 1M$7.991 Month
- 1Y3 Days trial$29.991 Year
- Pro$49.99
Questions
Is Gemstone Identifier º free?
Is Accelerometer free?
Do Gemstone Identifier º or Accelerometer have ads?
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