Dig This! vs STEM Defense
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dig This!
Engage your mind with a unique physics-based puzzle game. Dig with your finger to create paths and guide a ball to its destination, overcoming clever challenges and using gravity and momentum to your advantage. Discover thousands of handcrafted levels that test your logic and creativity.
- Unique digging gameplay
- Realistic physics puzzles
- Thousands of handcrafted levels
- Logic and creativity challenges
- Fun mechanics like bombs
- Hints and solutions available
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Dig, think, and solve! Just dig with your finger and guide the ball to the cup. Simple to learn — but every level hides a clever trick waiting to be discovered. Use gravity, momentum, and creativity to crack satisfying physics puzzles. Sometimes you need to build speed. Sometimes objects must collide. And sometimes the simplest path is the smartest one. With over 10,000 handcrafted levels and fresh ones added every week — there's always something new to dig into. Features • Unique digging gameplay found nowhere else • Simple to learn, endlessly satisfying to master • Realistic, physics-based puzzles • 10,000+ handcrafted levels • New levels added every week • Fun mechanics: bombs, multi-colored balls, and more • Clean, colorful 3D graphics • Stuck? Hints and solutions are always available
STEM Defense
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About This Game "STEM Defense" immerses yourself in a strategic battle within the human body, where you manipulate pathways and tower placements on a dynamic hexagonal grid. This educational tower defense game teaches players about the immune system through engaging gameplay, focusing on the defense against microscopic invaders. Key Features Path Expansion: Dynamically extend the pathways pathogens travel to strategically shape each level and increase the effectiveness of your defenses. Tower Placement Strategy: Strategic placement of your towers is essential. Elevate your towers to gain damage bonuses, crucial for optimizing defense effectiveness. Mutation-Based Upgrades: Enhance your defenses through epigenetic modifications, providing temporary boosts, and genetic mutations for permanent enhancements. This mirrors real-life biological defense mechanisms. Experience and Genetic Enhancements: Gain experience to unlock advanced defensive capabilities and permanent genetic upgrades, enhancing your ability to combat pathogens. Varied Enemy Types: Encounter diverse pathogens, each with unique abilities. Develop strategies to handle enemies that can regenerate, accelerate, or spawn additional threats. Endless Replayability: With a multitude of genetic enhancements and adaptive enemy tactics, each game offers new challenges and decisions, ensuring unique experiences with every playthrough. Coming Soon:Acquired immunity mechanics!! Support Independent Development As a solo developer not well-versed in the art of social media, I rely on the support of players like you. If you've enjoyed "STEM Defense," please help spread the word and make it known to others!
Screenshots
Verdict
The clearest difference is price: Dig This! at Free against STEM Defense's $6.99. STEM Defense's advantage is in-app purchases (none vs 12) and ads (none vs shown). On device support and iOS requirement 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
Dig This! is free to download; STEM Defense costs $6.99 up front. Dig This! sells 12 one-off in-app purchases. STEM Defense asks for nothing beyond the download.
Dig This! ships an update monthly, STEM Defense every 3 days. The most recent releases landed on October 15, 2026 and August 22, 2026 respectively.
| Parameter | Dig This! | STEM Defense |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 4.7 (632K ratings) — better | — |
| Positive reviews | 55.3% of reviews | — |
| Number of ratings | 632K — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 349 MB | 411 MB |
| Age rating | 9+ | 9+ |
| Developer | Raketspel AB | Andrea Carlomaria Sertorio |
Bugs and requests
Dig This!
Reported bugs
3 issues- Levels not saving progress
- Hints not working as expected
- Ads not closing properly
Requested features
4 requests- Earn hints by watching ads or completing levels
- More levels and content updates
- Option to reset progress and start over
- Ability to skip levels without using a hint
STEM Defense
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Dig This!
- Random Skin$0.99
- Solutions - Small Pack$1.99
- Easter Levels$3.99
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- Reduced price 4th of July$3.99
- Special Offer$4.99
- Seasonal Event – Easter$4.99
- No ads$4.99
- Seasonal event 4th of July$4.99
- Solutions - Medium Pack$5.99
- Solutions – Big Pack$14.99
- Mega Pack$14.99
- Solutions – Huge Pack$24.99
STEM Defense
No in-app purchases









