Molecule Simulator vs Flag Maker!
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
Read full descriptionHide full description
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.
Flag Maker!
Create custom flags quickly with a vast library of base designs and emblems. Combine elements, customize colors, and manipulate emblems for endless design possibilities. Save and share your unique flag creations.
- Design flags in minutes
- Dozens of base designs
- Hundreds of emblems
- Combine base designs and emblems
- Customizable colors for each element
- Move, resize, flip, and rotate emblems
- Save and share designs
Read full descriptionHide full description
Design your very own flag in minutes! Are you a fan of making flags? This app is a simple tool to design and create flags! Create within minutes using dozens of base designs and hundred emblems to choose from! Unlike other flag creation tools, you can combine base designs and apply multiple emblems! Each emblem and design can have a separate color! Every emblem can be moved, resized, flipped and rotated to make the flag you want! The combinations are practically endless! There are literally millions - if not billions - of potential flag designs you can make with this app! Save them to your device, or share them with friends or on social media! It's up to you!
Screenshots
Verdict
The clearest difference is review sentiment: Molecule Simulator at 100% against Flag Maker!'s 66%. Molecule Simulator also leads on update cadence (every 4 months vs every 48 months) and rating (4.3 vs 4.0). Flag Maker!'s advantage is ratings volume (132 vs 24). On price, ads, in-app purchases and monetization model 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.
Molecule Simulator holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Flag Maker! has 132 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 100% of Molecule Simulator's written reviews are positive against 66% of Flag Maker!'s.
Molecule Simulator ships an update every 4 months, Flag Maker! every 48 months. The most recent releases landed on September 21, 2026 and September 12, 2026 respectively.
| Parameter | Molecule Simulator | Flag Maker! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (24 ratings) — better | 4.0 (132 ratings) |
| Positive reviews | 100.0% of reviews — better | 65.7% of reviews |
| Number of ratings | 24 | 132 — better |
| Update frequency | Every 4 months — better | Every 48 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 150 MB |
| Age rating | 4+ | 4+ |
| Developer | 仕清 刘 | Matthew Williamson |
Customer experience
Molecule Simulator
Flag Maker!
Bugs and requests
Molecule Simulator
Not enough reviews yet to summarise bugs or requests.
Flag Maker!
Reported bugs
6 issues- App crashes on startup
- iPad crashes requiring hard reset
- Ad-watching feature not functioning properly
- Symbols stuck in center position
- Ads appear even in airplane mode
Show 1 moreShow fewer
- Symbols not moving/scaling as expected
Requested features
19 requests- Nordic cross design
- Maple leaf symbol
- Text/typography support
- Custom image import capability
- Non-rectangular flag shapes
Show 14 moreShow fewer
- Union Jack symbol
- Layers functionality
- Chinese dragon symbol
- Castle symbol
- Olive wreath (UN style)
- Wheel of stars pattern
- Ad-free premium option
- Symbol size reduction (smaller than US star)
- Coat of arms maker
- British territory flag templates
- More blank flag templates
- Heraldry/arms creation section
- Symbol naming/album organization
- Flag integration into photos
In-app purchases
Molecule Simulator
No in-app purchases
Flag Maker!
No in-app purchases
Questions
Is Molecule Simulator free?
Is Flag Maker! free?
Which has better reviews, Molecule Simulator or Flag Maker!?
Do Molecule Simulator or Flag Maker! have ads?
Which is updated more often, Molecule Simulator or Flag Maker!?
Other comparisons
