Merge Defense 3D! vs Bold Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Merge Defense 3D!
A turn-based tower defense game where players strategically place and merge defenders to fend off advancing enemy blocks. It offers offline play and a challenging puzzle experience for a daring mind.
- Turn-based gameplay
- Merge defenders to upgrade
- Strategic placement
- Offline play
- Challenging puzzle
- Power-ups and unlocks
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Merge Defense 3D is an easy to learn, hard to master Tower Defense game. Simple controls, turn based game play, and tactical depth makes this game best time killer game for a daring mind. How to play: • Enemy Blocks advance each turn • Place new defenders on the board to protect from enemies • Defenders shoot automatically each turn • Merge two defenders of the same level to upgrade its power • Collect Keys and Gems to use power ups and unlock new defender • Survive as long as you can Game Features: • Challenging brain puzzle. Think ahead! • Beautifully easy and simple, no pressure and no time limit. • Offline play • Completely free Have fun!
Bold Attack
Engage in exciting battles where you wield letter-based weapons. Evolve your character, unlock powerful abilities, and conquer new planets to face increasingly formidable foes.
- Evolve and gain new skills
- Unlock powerful weapons
- Conquer new planets
- Dominate tough opponents
- Face bigger and badder enemies
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As you fight your way through each level, you'll evolve and gain new skills to help you dominate even the toughest opponents. With each new planet you conquer, you'll unlock even more powerful weapons and abilities to take on bigger and badder enemies. Download now and let the battle begin!
Screenshots
Verdict
The clearest difference is rating: Bold Attack at 4.6 against Merge Defense 3D!'s 3.7. Bold Attack also leads on update cadence (daily vs every 3 weeks). On price, review sentiment, ratings volume and ads 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. Merge Defense 3D! sells 5 one-off in-app purchases and Bold Attack sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Bold Attack holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 1.1K and 418 respectively. Written reviews complicate that: 25% of Merge Defense 3D!'s written reviews are positive against 19% of Bold Attack's, so the app with the better star average is not the one people write more warmly about.
Merge Defense 3D! ships an update every 3 weeks, Bold Attack daily. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.
| Parameter | Merge Defense 3D! | Bold Attack |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (1.1K ratings) | 4.6 (418 ratings) — better |
| Positive reviews | 24.5% of reviews — better | 19.3% of reviews |
| Number of ratings | 1.1K — better | 418 |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 157 MB | 142 MB |
| Age rating | 4+ | 4+ |
| Developer | Tatem Games Inc. | Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi |
Customer experience
Merge Defense 3D!
Bold Attack
User reviews
Merge Defense 3D!
From 1.1K App Store ratingsWhat we love
- ⭐ Good game concept
- 🎮 Enjoyable gameplay
- 💎 Addictive
Room to improve
- 💸 Excessive ads
- 🔁 Ads interrupt gameplay
- 🔒 Paid ad-free version doesn't work
- 🐛 Glitches and crashes
- 🔋 Drains battery quickly
Bold Attack
From 418 App Store ratingsWhat we love
- 🚀 Addictive gameplay
- 👍 Good game concept
Room to improve
- 🚫 Excessive ads
- 🐛 Bugs and glitches
- 💤 Lack of depth after early levels
Bugs and requests
Merge Defense 3D!
Reported bugs
3 issues- Paid ad-free version doesn't remove ads
- Game freezes during ads
- Progress lost when game crashes
Requested features
3 requests- Add 'End Turn' button
- Improve difficulty scaling past level 1000
- Increase max level for defense towers
Bold Attack
Reported bugs
2 issues- Enemies remain alive after being killed
- Inability to collect dropped items
Requested features
3 requests- Endless mode
- Reduce ad frequency
- Improve performance and stability
In-app purchases
Merge Defense 3D!
- Pack of Gems$0.99
- Double Gems$1.99
- Remove Ads$2.99
Show 2 moreShow fewer
- Promo Bundle$3.99
- Big Promo Bundle$6.99
Bold Attack
- Cash Kickstart Pack$1.99
- Ticket 10$1.99
- 2X Damage$2.99
Show 12 moreShow fewer
- 2X Speed$2.99
- Money Fountain Pack$2.99
- Ticket 20$2.99
- 2X Income$3.99
- Royal Treasury Pack$4.99
- Ticket 50$4.99
- No Ads$4.99
- 30 Tickets and No Ads$5.99
- Mega Bundle$7.99
- Treasury Trove Pack$7.99
- Big Vault Pack$8.99
- Big Chest Treasure$11.99
Questions
Is Merge Defense 3D! free?
Is Bold Attack free?
Which has better reviews, Merge Defense 3D! or Bold Attack?
Do Merge Defense 3D! or Bold Attack have ads?
Which is updated more often, Merge Defense 3D! or Bold Attack?
Other comparisons
