Molecule Simulator vs Palettra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Molecule Simulator
Visualize the 3D structures of molecules using data from PubChem and Protein Data Bank. Explore molecules in various viewing modes and download an extensive library of compounds.
- 3D molecular visualization
- Space filling mode
- Ball-and-stick mode
- Data from PubChem
- Data from Protein Data Bank
- Downloadable molecule library
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This app is a molecular viewer. With the data on PubChem and Protein Data Bank, it can show us 3D structure of molecules. Both space filling mode and ball-and-stick mode. --------------------------------------------- Contains some pre-installed modes. And you can download all kinds of molecules from PubChem or Protein Data Bank.
Palettra
This tool helps researchers, students, and designers recolor scientific figures and images. It offers professional and adaptive color palettes, allowing you to remap chart colors and export high-quality images for various professional uses.
- Professional color palettes
- Adaptive palette generation
- Image and PDF import
- Chart color remapping
- High-quality image export (PNG, JPEG, TIFF, PDF)
- Cross-platform access
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Palettra is a scientific figure and image recoloring tool for researchers, students, designers, and creators. Import images or PDFs, preview professional color palettes suitable for papers, presentations, and reports, remap chart foreground colors, and export processed images for reports, course materials, presentation slides, and manuscript preparation. Key features: • Professional palettes A curated collection of scientific, design, journal-style, and open-source chart palettes helps make figures clearer and more visually consistent. • Adaptive palettes Generate adaptive palettes locally on your device based on imported images or reference images, ideal for extracting color inspiration from an existing visual style. • High-quality export Export as PNG, JPEG, TIFF, or PDF, with original, 300 ppi, or 600 ppi resolution options for papers, presentations, course materials, and design drafts. • Cross-platform access One subscription works across iOS and macOS, allowing you to use Palettra Pro features on both mobile and desktop. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Palettra at 5.0 against Molecule Simulator's 4.3. Palettra also leads on update cadence (every 4 days vs every 4 months). Molecule Simulator's advantage is in-app purchases (none vs 3) and ratings volume (24 vs 1). On price, 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
Both are free to download. Palettra sells 3 in-app purchases, starting at $1.99 per month. Molecule Simulator asks for nothing beyond the download.
Palettra holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Molecule Simulator has 24 ratings behind it against 1, so its average is the more settled of the two.
Molecule Simulator ships an update every 4 months, Palettra every 4 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | Molecule Simulator | Palettra |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (24 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 24 — better | 1 |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | 仕清 刘 | 新焰 陈 |
Customer experience
Molecule Simulator
Palettra
In-app purchases
Molecule Simulator
No in-app purchases
Palettra
- Palettra Pro Monthly$1.991 Month
- Palettra Pro Yearly$9.991 Year
- Palettra Pro Lifetime$14.99
Questions
Is Molecule Simulator free?
Is Palettra free?
Which has better reviews, Molecule Simulator or Palettra?
Do Molecule Simulator or Palettra have ads?
Which is updated more often, Molecule Simulator or Palettra?
Other comparisons
