Comparison

Tetraom vs Specimen Log

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

Head to head
About

Tetraom

This app provides a personalized navigation system for clarity and timing, integrating time cycles and individual mechanics. It offers daily insights into strengths, pauses, and life themes, with options to explore deeper monthly and yearly contexts. The system is designed for quick daily use to enhance orientation and action.

Highlights
  • Personalized daily flow insights
  • Moment Axis for daily structure
  • Daily Pulse with strengths and pauses
  • Four life themes: Health, Money, Love, Family
  • Innate Essence foundation
  • Monthly and yearly context exploration
  • Relationship compatibility analysis
Read full description

TetraOm is a personal navigation system for clarity and timing — built from your innate structure + dynamic period data (day / month / year). No ads. No noise. TetraOm integrates time cycles, structural transformation models, and individual mechanics into one coherent navigation system. It translates complex structures into usable daily clarity — without mysticism and without overload. TetraOm doesn’t tell you what to do. It shows where you are, what is more accessible, and what moves slower in the current period — personalized to you. After registration, you have enough free access to explore the system, understand how it works, and feel whether it resonates with you. From day one you can use: • Moment Axis — a stable inner frame for the day (not a live feed) Mental Clarity • Action & Tempo • Structure & Support • Daily Pulse — your daily flow: Strengths (where movement is natural) and Pauses (where energy softens — not “don’ts”) + 4 life themes: Health • Money • Love • Family Percentages are not “good/bad” — they show where the day is more active as a life stage. • Your Essence — your innate foundation: 10 themes × 9 levels, designed for revisiting and deeper recognition over time. Go deeper when you want a wider map: • Lunar Return — personalized monthly context • Solar Return — personalized yearly framework • Dream section — reflect on recurring patterns • Compatibility — relationship dynamics • Growth & reflection tools — deeper exploration How most people use TetraOm: Open → orient → act → close. 30–90 seconds a day is enough. No ads. Ever. The system is paid because we don’t sell people’s attention through advertising. PRO and ULTRA PRO unlock deeper layers (features depend on plan). In-app languages: English, Bulgarian, Italian, Spanish, French. TetraOm supports reflection and clarity and does not replace medical, psychological, financial, or legal advice. Privacy policy: https://tetraom.com/privacy/ Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Specimen Log

Organize your mineral collection with detailed records, photos, and custom tags. Track purchase history, storage locations, and analyze your collection's growth. Ideal for collectors who need a dedicated tool to manage their specimens.

Highlights
  • Record specimen details (name, locality, price, etc.)
  • Attach multiple photos per specimen
  • Organize with custom tags
  • Switch between list and gallery views
  • Track specimen storage locations (Pro)
  • Analyze collection spending and growth (Pro)
  • Create and manage wishlists
  • Share specimen details
Features
Read full description

Where did you buy that piece? What locality is it from? Which case is it in now? Specimen Log (標本帳) is a mineral collection management app. Record and organize every specimen — photos, locality, purchase source, price, storage location, and more. ------------------ WHAT YOU CAN DO ------------------ ▷ Record your specimens Save mineral name, locality, origin details, size, hardness, crystal system, purchase source, price, purchase date, condition, and free-form notes — all stored per specimen. ▷ Attach photos Add photos from your library or shoot directly in-app. Register multiple photos per specimen and swipe through them on the detail screen. ▷ Organize with tags Create custom tags for color, locality, show name, price range, or storage notes. Filter by multiple tags at once to narrow down exactly what you need. ▷ Switch your view Toggle between list view and gallery view. Browse by photo or scan purchase info and pricing at a glance. ▷ Manage shelves & cases (Pro) Register shelves and cases to track exactly where each specimen lives. No more forgetting which cabinet holds which piece. ▷ Analyze your collection (Pro) View spending by year and by purchase source, plus counts by locality and tag — all in charts. See exactly how your collection has grown over time. ▷ Wishlist for your next show Note the specimens you're hunting for at your next mineral show or shop. Convert wishlist items to full specimen records after purchase. Up to 10 items free; unlimited with Pro. ▷ Share your specimens Create a share card combining the photo and details from any specimen — easy to post on social media or share with fellow collectors. ▷ Export & import your data Export as CSV (data only) or as a ZIP with photos — free for everyone. You can also import files previously exported from this app to restore your collection. Useful for valuations, insurance records, selling reference, or moving to a new device. ------------------ WHO IT'S FOR ------------------ • Collectors who pick up multiple pieces at mineral shows (Tucson, Denver, local fairs) • Anyone who has lost locality or source info when a label fell off • Collectors tracking things in spreadsheets who want something purpose-built • Anyone whose collection has grown too large to manage mentally • Collectors who want photos, purchase history, and storage location in one place • Anyone building a wishlist before the next show ------------------ NOT AN AI IDENTIFIER ------------------ This is not an app that identifies rocks from photos. It is a collection log — a place to record specimens you have purchased or collected, in your own words. Works for rare localities, personally collected pieces, and anything AI would never know. ------------------ YOUR DATA STAYS LOCAL ------------------ All specimen data and photos are stored on your iPhone or iPad. Nothing is sent to external servers. No account registration required. ------------------ PRICING ------------------ • Free: up to 10 specimens, up to 10 wishlist items. Data export & import included • Pro (one-time purchase): unlimited specimens, unlimited wishlist, shelf/case management, collection analysis No subscription. No recurring fees. Ever. ------------------ Developer: Kore Apps Contact: support@kore-apps.com ------------------

Screenshots

Tetraom4 screens
Specimen Log4 screens

Verdict

The call

The clearest difference is rating: Specimen Log at 5.0 against Tetraom's 3.3. Specimen Log also leads on ads (none vs shown). On price, ratings volume, update cadence and in-app purchases 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. Tetraom sells 9 in-app purchases, starting at $5.99 per month and Specimen Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Specimen Log holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Tetraom ships an update every 8 days, Specimen Log weekly. The most recent releases landed on September 19, 2026 and October 7, 2026 respectively.

Scorecard2 real differences · 8 level
Tetraom versus Specimen Log: the parameters behind the verdict, then further details
ParameterTetraomSpecimen Log
PriceFreeFree
Rating3.3 (3 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings3 — better2
Update frequencyEvery 8 daysWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size89 MB54 MB
Age rating4+4+
DeveloperMEDIAONE EOODkazuki korenori

Customer experience

Tetraom

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Specimen Log

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

Tetraom

Subscriptions7
  • Monthly3 Days trial$5.991 Month
  • Ultra Pro Monthly7 Days trial$8.991 Month
  • Ultra Pro Monthly$9.991 Month
Show 4 more
  • Three Months3 Days trial$11.993 Months
  • Ultra Pro Three Months2 variants$17.993 Months
  • Annual3 Days trial$29.991 Year
  • Ultra Pro Annual2 variants$49.991 Year
One-time2
  • Expanded Reading on 7 Themes$8.99
  • Detailed 7-Theme HD Reading$12.99
1 purchases

Specimen Log

One-time1
  • Specimen Log Pro$5.99

Questions

Is Tetraom free?
Tetraom is free to download, with in-app purchases available.
Is Specimen Log free?
Specimen Log is free to download, with in-app purchases available.
Which has better reviews, Tetraom or Specimen Log?
Specimen Log is rated higher. Tetraom averages 3.3 out of 5 from 3 ratings, while Specimen Log averages 5.0 from 2 ratings.
Do Tetraom or Specimen Log have ads?
Tetraom shows ads; Specimen Log does not.
Which is updated more often, Tetraom or Specimen Log?
Tetraom ships an update every 8 days, and Specimen Log weekly. Most recently, Tetraom was updated on September 19, 2026 and Specimen Log on October 7, 2026.

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