Comparison

Event Countdown Tracker vs Stone Identifier AI Rock Scan

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

Head to head
About

Event Countdown Tracker

Features
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Make every moment count with Countdown Widget Maker β€” the easiest way to track the days, hours, and minutes until your special events. Whether it’s a holiday, birthday, exam, trip, or wedding, your countdowns are always just a glance away. Features: β€’ Custom Countdowns: Add events with a title, date, and optional photo. β€’ Widgets on Your Home Screen: Pick an event and see the live countdown without opening the app. β€’ Multiple Events: Track as many countdowns as you like, all neatly organized in a list. β€’ Personal Touch: Use your own photos or choose a clean minimalist look. β€’ Quick Editing: Update or delete events anytime β€” the widget refreshes automatically. β€’ Always Accurate: The countdown ticks down by the day, hour, and minute. Perfect for birthdays, holidays, concerts, deadlines, exams, anniversaries, vacations, and more. Make every day exciting β€” start counting down today!

About

Stone Identifier AI Rock Scan

Features
Read full description

Ever wondered what that rock really is? Stone ID turns your phone into an instant pocket geologist. Snap a photo and our advanced AI identifies rocks, minerals, gemstones, crystals, fossils, meteorites, arrowheads, seashells and shark teeth in seconds β€” then reveals their properties, rarity and estimated value. Stone ID is a subscription app. Full access to identification and all features requires a Stone ID Premium subscription, which starts with a free trial. You can cancel anytime. Whether you're a curious beginner, a weekend rockhound, a serious collector or a jeweler, Stone ID gives you expert-level insight without the guesswork. WHAT STONE ID CAN DO β€’ Identify Any Find β€” Rocks, minerals, gems, crystals, fossils, meteorites, arrowheads, seashells and shark teeth. If you found it, Stone ID knows it. β€’ Instant Expert Reports β€” Name, hardness, composition, color, clarity, rarity and estimated value in a single tap. β€’ Gemstone Grading (The 4Cs) β€” Detailed cut, color, clarity and carat analysis with confidence scoring for precious stones. β€’ Market & Resale Value β€” Estimated retail and resale ranges so you always know what your find is worth. β€’ Professional PDF Reports β€” Polished, shareable gemological reports for your records, insurance or sales. β€’ Build Your Collection β€” Every scan is saved with its photo and analysis. Track, revisit and grow your personal rock and mineral library. β€’ Learn As You Go β€” Discover fascinating facts about every stone and become a sharper collector with each scan. WHY YOU'LL LOVE IT β€’ Fast, accurate results powered by advanced AI β€’ Clean, elegant, ad-free experience β€’ Works for casual finds and high-value gemstones alike β€’ Available in multiple languages SUBSCRIPTION & PRICING Stone ID requires an auto-renewing Stone ID Premium subscription to use, starting with a free trial or a discounted intro price. After the trial or intro period, the subscription automatically renews unless canceled. You can cancel anytime. Payment is charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. HOW IT WORKS 1. Point your camera at the stone 2. Center it in the frame and tap to capture 3. Get a full analysis in seconds Developed by The Lovenhall Registry Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Event Countdown Tracker4 screens
Stone Identifier AI Rock Scan4 screens

Verdict

The call

The clearest difference is in-app purchases: Event Countdown Tracker at none against Stone Identifier AI Rock Scan's 2. Stone Identifier AI Rock Scan's advantage is update cadence (fortnightly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Stone Identifier AI Rock Scan sells 2 in-app purchases, starting at $39.99 per year. Event Countdown Tracker asks for nothing beyond the download.

UpkeepUpdate frequency

Event Countdown Tracker ships an update every 9 months, Stone Identifier AI Rock Scan fortnightly. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

Scorecard2 real differences Β· 4 level
Event Countdown Tracker versus Stone Identifier AI Rock Scan: the parameters behind the verdict, then further details
ParameterEvent Countdown TrackerStone Identifier AI Rock Scan
PriceFreeFree
Update frequencyEvery 9 monthsFortnightly β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS18.517.6 β€” better
Further details β€” not scored
Size8 MB26 MB
Age rating4+4+
DeveloperANDREW MARTYN BANNERAbdullah YILMAZ

In-app purchases

None

Event Countdown Tracker

No in-app purchases

2 purchases

Stone Identifier AI Rock Scan

Subscriptions2
  • Stone ID Premium Yearly7 Days trial$39.991 Year
  • Stone ID Premium Yearly1 Month trial$39.991 Year

Questions

Is Event Countdown Tracker free?
Event Countdown Tracker is free to download, with no in-app purchases.
Is Stone Identifier AI Rock Scan free?
Stone Identifier AI Rock Scan is free to download, with in-app purchases available.
Do Event Countdown Tracker or Stone Identifier AI Rock Scan have ads?
Neither Event Countdown Tracker nor Stone Identifier AI Rock Scan shows ads.
Which is updated more often, Event Countdown Tracker or Stone Identifier AI Rock Scan?
Event Countdown Tracker ships an update every 9 months, and Stone Identifier AI Rock Scan fortnightly. Most recently, Event Countdown Tracker was updated on October 6, 2026 and Stone Identifier AI Rock Scan on October 15, 2026.

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