SimKraft vs FlagBuilder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimKraft
Learn the fundamentals of simulation and finite element analysis through an engaging, hands-on experience. Draw 2D shapes, apply conditions, and visualize results instantly to grasp complex engineering concepts.
- Interactive simulation learning
- Finite element analysis introduction
- 2D shape drawing
- Apply boundary conditions
- Apply displacement loads
- Visualize analysis results
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SIMULIA is proud to present SimKraft, an app that teaches the basics of simulation and finite element analysis in a fun and interactive way. Users simply draw any 2D shape, and then apply boundary conditions and displacement loads to it. With a single tap, they can then display the results of these choices, which serve as an interactive introduction to finite element analysis. BY DOWNLOADING THIS FILE (“DOWNLOAD”) YOU AGREE TO THE FOLLOWING TERMS: THIS DOWNLOAD IS MADE AVAILABLE ON AN "AS IS" BASIS WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS OR IMPLIED, ORAL OR WRITTEN, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE OR NON-INFRINGEMENT. DASSAULT SYSTEMES SIMULIA CORP., ANY OF IT AFFILIATES (COLLECTIVELY “DS:”), AND ITS LICENSORS SHALL HAVE NO LIABILITY FOR DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, INCLUDING WITHOUT LIMITATION CLAIMS FOR LOST PROFITS, BUSINESS INTERRUPTION AND LOSS OF DATA, THAT IN ANY WAY RELATE TO THIS DOWNLOAD, WHETHER OR NOT DS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY REMEDY. YOUR USE OF THIS DOWNLOAD SHALL BE AT YOUR SOLE RISK. NO SUPPORT OF ANY KIND OF THE DOWNLOAD IS PROVIDED BY DS.
FlagBuilder
Test your knowledge of world flags by recreating them layer by layer. Select continents to focus your challenges and learn about countries presented in a random order. Correctly assemble each flag to win.
- Select continents for custom games
- Recreate flags layer by layer
- Randomized country order
- Lifeline system for incorrect guesses
- Progress tracking through correct answers
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Can you build the flags of the world? START GAME Choose one or more continents you want to include in your game. The countries are presented one at a time in random order. THE GAME Each flag consists of two layers and any symbol as a third layer. You choose one option per layer to recreate the flag correctly. When you guess right, the next country is presented until you have gone through all the countries. You win when you respond correctly to everyone. RULES OF THE GAME If you respond incorrectly to a layer, it is highlighted with red. You then have the opportunity to change your choice for that layer. You get this opportunity up to three times per game. If you answer errors and have used all lifelines, you lose.
Screenshots
Verdict
The clearest difference is rating: SimKraft at 5.0 against FlagBuilder's 4.6. SimKraft also leads on iOS requirement (8.0 vs 15.4). FlagBuilder's advantage is ratings volume (9 vs 1). 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.
SimKraft holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: FlagBuilder has 9 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | SimKraft | FlagBuilder |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (9 ratings) |
| Number of ratings | 1 | 9 — better |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 95 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Dassault Systemes Simulia Corp. | Shape Labs AB |
Customer experience
SimKraft
FlagBuilder
In-app purchases
SimKraft
No in-app purchases
FlagBuilder
No in-app purchases









