Comparison

Rock Identifier vs TimelessMark

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

Head to head
About

Rock Identifier

Instantly identify rocks, gems, and minerals by taking a photo. Get detailed information, track your discoveries, and ask an AI assistant for deeper insights. Perfect for collectors and curious minds.

Highlights
  • Photo-based rock identification
  • Detailed stone information
  • Personal discovery log
  • AI Assistant for insights
  • Dark Mode support
  • Organize finds with Sets
Features
Read full description

"Have you ever picked up a cool-looking rock or crystal and thought, “What is this?” With Stone Identifier AI, finding out is as easy as snapping a photo. Just point your phone, take a picture, and get instant results. Whether it’s a gem, mineral, or even a common pebble, the app reveals its name, key details, and more in seconds. Identify rocks, stones & crystals with a simple photo! Your Personal Stone Scanner Why spend hours searching when you can get answers in seconds? Take a picture, and Stone Identifier AI will analyze and identify your rock, stone, or mineral right away. It’s fast, accurate, and designed for collectors, hobbyists, and anyone curious about the stones they discover. AI-Powered Insights This app goes beyond simply telling you what stone you’ve found. Each scan gives you useful info — from its name and appearance to how people use it. The best part? The AI keeps improving, so your results get better the more you use it. You’ll quickly pick up the skills to recognize common finds and maybe even rare gems. Track Your Stone Discovery Journey Keep a personal log of every stone you've identified. The History feature stores all your past scans, so you can revisit them anytime. Want to create a personal collection? Use Sets to organize your stones by category, location, or any custom way you like. Whether you're building a gem collection or simply tracking your outdoor finds, it’s all saved in one place. Ask the AI Anything Sometimes, finding out what a stone is isn’t enough — you want to know the story behind it. That’s where the AI Assistant comes in. From explaining how hard a mineral is to sharing where it’s usually found, it gives you helpful info in seconds. Great for curious minds, collectors, and hobbyists. User-Friendly Design with Dark Mode Using the app is straightforward and hassle-free. Whether you're at home or out in nature, the clean interface makes scanning stones quick and simple. Prefer darker screens? Dark Mode is available to reduce eye strain and save battery life while you’re out discovering new stones. Why Choose Stone Identifier AI? - Fast & easy stone, rock, and crystal identification. - Accurate AI-driven analysis. - Save and organize your scanned stones. - Chat with the AI Assistant for deeper insights. - Perfect for collectors, students, hikers, and hobbyists. - Enjoy a smooth experience with Dark Mode support. Your Pocket Geology Guide Found an interesting stone and want to know more? Stone Identifier AI makes it easy to turn your curiosity into real knowledge. More than just an app, it’s a handy companion for exploring the world of rocks, minerals, and crystals. Download our app today and start identifying rocks, stones, and minerals around you. Discover their stories, build your collection, and explore the world through a new lens — one stone at a time. Scan your first stone today! --- Privacy Policy - https://sites.google.com/view/preppy-stone/privacy-policy Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ "

About

TimelessMark

Features
Read full description

TimelessMark is a private date book for the days that should not slip by. Add a birthday, an anniversary, a holiday, or a work deadline. See how many days remain. Pin the ones that matter. Keep a photo and a note beside the date — all on this device. There is no account to create and nothing to sync to our servers. TimelessMark does not run a cloud. Your dates stay on the iPhone or iPad where you wrote them. WHAT YOU CAN DO • Next-up spotlight so the nearest date stays in view • Countdowns with optional yearly repeat • Categories: Birthday, Anniversary, Holiday, Work, Remembrance, Other • Search, filter, and sort by upcoming, name, or newest • Dates list and a month calendar • Milestones for the next mark on a yearly date • Optional local reminders • Add a date to Apple Calendar when you choose • Share a countdown card • Optional Face ID lock when you leave the app WHO IT IS FOR People who want a quiet place for personal dates — not a social feed, not a shared calendar, not another account.

Screenshots

Rock Identifier4 screens
TimelessMark2 screens

Verdict

The call

The clearest difference is in-app purchases: TimelessMark at none against Rock Identifier's 5. Rock Identifier's advantage is iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Rock Identifier sells 5 in-app purchases, starting at $6.99 per 7 days. TimelessMark asks for nothing beyond the download.

UpkeepUpdate frequency

Rock Identifier ships an update every 3 weeks, TimelessMark monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
Rock Identifier versus TimelessMark: the parameters behind the verdict, then further details
ParameterRock IdentifierTimelessMark
PriceFreeFree
Rating4.3 (18 ratings) — better—
Number of ratings18 — better—
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better18.0
Further details — not scored
Size36 MB1 MB
Age rating4+4+
DeveloperMustafa Utku CoskunAndrew Gerard Group, Inc.

In-app purchases

5 purchases

Rock Identifier

Subscriptions5
  • Weekly Premium$6.997 Days
  • Monthly Premium$9.991 Month
  • Yearly Premium$39.991 Year
Show 2 more
  • Yearly Offer$39.991 Year
  • Lifetime Premium$49.991 Year
None

TimelessMark

No in-app purchases

Questions

Is Rock Identifier free?
Rock Identifier is free to download, with in-app purchases available.
Is TimelessMark free?
TimelessMark is free to download, with no in-app purchases.
Do Rock Identifier or TimelessMark have ads?
Neither Rock Identifier nor TimelessMark shows ads.
Which is updated more often, Rock Identifier or TimelessMark?
Rock Identifier ships an update every 3 weeks, and TimelessMark monthly. Most recently, Rock Identifier was updated on October 30, 2026 and TimelessMark on October 31, 2026.

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