Lattica vs Gemology Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lattica
Visualize atomic arrangements and lattice systems in stunning 3D. This educational tool brings complex crystal structures to life, making it ideal for students and researchers in chemistry, materials science, and crystallography.
- 3D Crystal Models
- Lattice Visualization
- Interactive Exploration
- Zoom and Rotate Structures
- Detailed Visuals
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Save crystal structures, organize them in a personal library, and inspect unit cells and atomic positions in 3D. CrystalStructure helps you keep lattice parameters, space groups, and atomic sites together so you can quickly return to structures from papers, textbooks, or your own notes.
Gemology Notes
An offline reference app for gemology students and professionals. Explore gemstone properties, crystal structures with interactive 3D models, and detailed identification points. Study gemology anywhere without an internet connection.
- Gemstone Browser
- 3D Crystal Models
- Detailed Gemstone Notes
- Offline Access
- Systematic Classification
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Systematic Gemology Notes An offline reference app dedicated to gemology learning, covering the fundamental properties, crystal structures, and systematic classification of common gemstones. KEY FEATURES • Gemstone Browser — Reference material organized by crystal system and gemstone species • 3D Crystal Models — Interactive displays of each gemstone's crystal structure; rotate and zoom to examine every angle • Detailed Notes — Systematic knowledge covering physical properties, optical characteristics, and key identification points • Fully Offline — No internet connection required; study anywhere, anytime Ideal for gemology students, professional gemologists and appraisers, jewelers, and collectors.
Screenshots
Verdict
The clearest difference is review sentiment: Gemology Notes at 100% against Lattica's 50%. Gemology Notes also leads on update cadence (every 4 days vs every 9 months) and device support (3 vs 1). Lattica's advantage is monetization model (free vs paid). On price, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lattica ships an update every 9 months, Gemology Notes every 4 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.
| Parameter | Lattica | Gemology Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Sota Iguchi | 际 郭 |
Customer experience
Lattica
Gemology Notes
In-app purchases
Lattica
No in-app purchases
Gemology Notes
No in-app purchases
Questions
Is Lattica free?
Is Gemology Notes free?
Do Lattica or Gemology Notes have ads?
Which is updated more often, Lattica or Gemology Notes?
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