Darth Vaper vs The Spell
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Darth Vaper
This augmented reality application visually demonstrates the harmful effects of smoking and vaping on your lungs. By using a marker, users can compare a healthy lung to one affected by these habits.
- Augmented reality visualization
- Comparison of healthy vs. affected lungs
- Educational tool for health risks
- Marker-based AR experience
- Link to marker provided within app
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Darth Vaper was created by Tntech's iCube alongside the TN Department of Health. Darth Vaper, an augmented reality app, was created to show you the dangers of smoking and vaping on your lungs in comparison to a healthy lung. Instructions: You will need to download and print or view the marker on a separate screen in order to fully use the app. Once you have the marker printed or visible on a separate screen, open the app and press the start button with your phone's camera angled to view the marker. Darth Vaper has a link to the marker inside of the app, however, you can also get the marker from https://ttuicube.com/sites/default/files/Marker_Screen_Test9.jpg
The Spell
Engage in an exciting word game that combines running, jumping, and collecting letters to form words. This app makes learning new vocabulary an enjoyable experience through interactive gameplay.
- Run and jump gameplay
- Collect letters
- Complete words
- Learn new vocabulary
- Interactive learning
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Run, jump, collect letter, complete word and learn!! With The Spell you will learn new words while you play.
Screenshots
Verdict
The clearest difference is review sentiment: The Spell at 100% against Darth Vaper's 0%. Darth Vaper's advantage is ads (none vs shown) and update cadence (every 11 days vs every 3 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Darth Vaper ships an update every 11 days, The Spell every 3 months. Both last shipped on November 3, 2026.
| Parameter | Darth Vaper | The Spell |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 11 days — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 142 MB | 137 MB |
| Age rating | 17+ | 4+ |
| Developer | Cheryl Montgomery | On the Land of Games |
Customer experience
Darth Vaper
The Spell
In-app purchases
Darth Vaper
No in-app purchases
The Spell
No in-app purchases
