Flag Designer! Create a flag! vs Molecule Simulator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flag Designer! Create a flag!
Easily design and create your own unique flags in minutes. Choose from a vast array of base designs, overlays, and over a hundred emblems to craft endless combinations for your personal or conceptual flag.
- Design custom flags
- Dozens of base designs
- Dozens of overlays
- Over a hundred emblems
- Endless combinations
- Vexillology tool
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Design your very own flag in minutes! Fan of vexillology? This app is a simple tool to design and create flags! Create a flag within minutes using dozens of base designs with dozens of overlays, and over a hundred emblems to choose from! The combinations are practically endless! Choose from one of the following Designs! - Bordered - Double Border - Serrated Border - Left Half - Right Half - Top Half - Bottom Half - Vertical Tricolor - Horizontal Tricolor - Left Half Split - Right Half Split - Top Half Split - Bottom Half Split - Fess - Wide Fess - Pale - Wide Pale - Ascending Bend - Ascending Split - Ascending Bend Split - Descending Bend - Descending Split - Descending Bend Split - Canton - Quartered - Cross - Nordic Cross - Saltine - British Saltine - Diamond - Chevron - Triangle Pincer - Serrate Choose from one of the following Symbols! - Shapes - Eagles - Dragons - Griffins - Animals - Flowers - Ideology - Mythical - Nature - Trees - Religious - Pirates - Royal - Warriors - Weapons - Kanji - Kanji - Runes - Zodiac - Tribal - Abstract - Circle - Decagon - Diamond - Dodecagon - Heart - Hexagon - Octagon - Pentagon - Square - Triangle - 3 Spoked Star - 4 Spoked Star - 5 Spoked Star - 6 Spoked Star - 7 Spoked Star - 8 Spoked Star - Hawks - Asian Dragon - Comet - Flames - Moon - Mountain - Planet - Suns - Jolly Rogers - Crowns - Crowned Lion - Fleur-de-lis - Antelope - Bears - Bulls - Bulldog - Camel - Canine - Cats - Chameleon - Chimpanzee - Deers - Dog - Elephants - Elk - Fish - Fox - Giraffe - Gorilla - Hedgehog - Hen - Hippopotamus - Horses - Horseheads - Hummingbird - Iguana - Kangaroos - Kiwi - Lamb - Lions - Lionhead - Mouse - Octopus - Ostrich - Owls - Pandas - Parrot - Peacock - Pelican - Penguins - Pig - Rabbits - Rhinoceros - Roosters - Sharks - Snakes - Squid - Squirrel - Swans - Tiger - Toucan - Wasp - Wolf - All Seeing Eye - Anarchy - Capitalism - Fasces - Hammer and Sickle - Masonry - Power Fist - Anglican Cross - Ankh - Aum - Buddha - Catholic Crosses - Christian Crosses - Crescents - Crescent Stars - Dharma Wheel - German Cross - Ichthys - Iris - Lotus - Maltese Cross - Menorah - Orthodox Cross - Shinto Torii - Star of Davids - Swiss Cross - Yin Yangs - Zoroastrian - Bigfoot - Centaur - Centaur - Cerberus - Death - Demon - Fairies - Gargoyle - Genie - Goatman - Goblin - Hydra - Hydra - Imp - Kraken - Medusa - Mermaids - Minotaurs - Monster - Mudman - Nessie - Ogre - Pegasus - Pheonix - Poseidon - Ram-Lion - Sea-Horse - Slimer - Spectre - Sphinx - Troll - Unicorn - Unicorn - Winged - Wolf-Dragon - Wolfmen - Dragon - Emperor - Energy - Evil - Extreme - Fire - God - Heart - Heaven - Lightning - Love - Metal - Nation - Power - Tiger - War - Water - Wind - Zen - Japanese Mon - Runes - Lily - Roses - Sunflower - Oak Tree - Palm Tree - Pine Tree - Axeman - Cavalry - Centurion - Knight - Phalanx - Samurais - Swordsmen - AK47 - Arrows - Atom Bomb - Axes - Bomb - Bows - Cannons - Crossed Axes - Crossed Swords - Grenade - Pistol - Swords - Symbols - Designs - Aquarius - Aries - Cancer - Capricorn - Gemini - Leo - Libra - Pisces - Sagittarius - Scorpio - Taurus - Virgo - Shields *Some icons made by Freepik from www.flaticon.com
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Molecule Simulator at none against Flag Designer! Create a flag!'s 1. Molecule Simulator also leads on review sentiment (100% vs 80%). Flag Designer! Create a flag!'s advantage is ratings volume (886 vs 24) and update cadence (monthly vs every 4 months). On price, rating, 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. Flag Designer! Create a flag! sells 1 one-off in-app purchase. Molecule Simulator asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.3 for Flag Designer! Create a flag! against 4.3 for Molecule Simulator. That said, the two scores are not equally well evidenced: Flag Designer! Create a flag! has 886 ratings behind it against 24, so its average is the more settled of the two. Written reviews are what separate them: 80% of Flag Designer! Create a flag!'s written reviews are positive against 100% of Molecule Simulator's.
Flag Designer! Create a flag! ships an update monthly, Molecule Simulator every 4 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | Flag Designer! Create a flag! | Molecule Simulator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (886 ratings) | 4.3 (24 ratings) — better |
| Positive reviews | 80.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 886 — better | 24 |
| Update frequency | Monthly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 37 MB | 8 MB |
| Age rating | 9+ | 4+ |
| Developer | Matthew Williamson | 仕清 刘 |
Customer experience
Flag Designer! Create a flag!
Molecule Simulator
Bugs and requests
Flag Designer! Create a flag!
Reported bugs
3 issues- Ads sometimes fail to load
- Occasional crashes or freezes
- Inconsistent behavior when unlocking features
Requested features
5 requests- Add more flag layout options (e.g., 13 stripes, custom shapes)
- Allow importing custom images/symbols
- Implement a text overlay feature
- Provide more control over symbol placement and sizing
- Offer an ad-free premium version
Molecule Simulator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Flag Designer! Create a flag!
- Flag Designer Ad-Free$0.99
Molecule Simulator
No in-app purchases
Questions
Is Flag Designer! Create a flag! free?
Is Molecule Simulator free?
Which has better reviews, Flag Designer! Create a flag! or Molecule Simulator?
Do Flag Designer! Create a flag! or Molecule Simulator have ads?
Which is updated more often, Flag Designer! Create a flag! or Molecule Simulator?
Other comparisons
