# Flag Designer! Create a flag! vs Molecular Model Simulator

The clearest difference is review sentiment: Flag Designer! Create a flag! at 80% against Molecular Model Simulator's 0%. Flag Designer! Create a flag! also leads on ads (none vs shown). Molecular Model Simulator's advantage is update cadence (every 10 days vs monthly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Flag Designer! Create a flag! sells 1 one-off in-app purchase and Molecular Model Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flag Designer! Create a flag! ships an update monthly, Molecular Model Simulator every 10 days. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Flag Designer! Create a flag! | Molecular Model Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (886 ratings)](https://appshunter.io/ios/app/flag-designer-create-a-flag/id1220846956/reviews)** | — |
| Number of ratings | **886** | — |
| Positive reviews | **80.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 37 MB | 84 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Matthew Williamson](https://appshunter.io/developer/1215994306) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### Flag Designer! Create a flag!

[App page](https://appshunter.io/ios/app/flag-designer-create-a-flag/id1220846956)

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.

**Highlights:** Design custom flags, Dozens of base designs, Dozens of overlays, Over a hundred emblems, Endless combinations, Vexillology tool

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flag Designer Ad-Free | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🎨 Wide variety of colors and designs
- 💡 Helpful for world-building and creative projects
- 🎉 Fun and enjoyable experience
- 🌟 Great for making custom flags

**What reviewers complain about**

- 🔍 Limited symbol selection
- 📤 Inability to add multiple symbols
- 🔀 Difficulty in positioning elements precisely
- 📢 Excessive ads interrupting the experience
- 🔒 Some features locked behind paywall

**Reported bugs**

- Ads sometimes fail to load
- Occasional crashes or freezes
- Inconsistent behavior when unlocking features

**Requested features**

- 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


### Molecular Model Simulator

[App page](https://appshunter.io/ios/app/molecular-model-simulator/id6459994670)

Visualize and interact with complex 3D molecular structures. Explore atomic arrangements, chemical bonds, and create custom compounds. Ideal for students, educators, and chemistry enthusiasts.

**Highlights:** Dynamic 3D molecular modeling, Interactive exploration (zoom, rotate, pan), Realistic atomic bonding visualization, Custom compound creation, Intuitive user interface, Educational and engaging content

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UpgradeToPro | $0.99 | one-time |


## Frequently asked questions

### Is Flag Designer! Create a flag! free?

Flag Designer! Create a flag! is free to download, with in-app purchases available.

### Is Molecular Model Simulator free?

Molecular Model Simulator is free to download, with in-app purchases available.

### Do Flag Designer! Create a flag! or Molecular Model Simulator have ads?

Molecular Model Simulator shows ads; Flag Designer! Create a flag! does not.

### Which is updated more often, Flag Designer! Create a flag! or Molecular Model Simulator?

Flag Designer! Create a flag! ships an update monthly, and Molecular Model Simulator every 10 days. Most recently, Flag Designer! Create a flag! was updated on September 17, 2026 and Molecular Model Simulator on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*