Nebulous.io vs Boom Arena
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Nebulous.io
Engage in a multiplayer game where you grow by consuming smaller entities and collecting dots. Avoid larger players while strategizing to become the biggest blob. Enjoy various game modes, customization options, and social features.
- Collect dots and gobble smaller players
- Compete with up to 27 players online
- Over 500 unlockable skins
- Upload custom skins
- Multiple game modes including FFA, Teams, and Capture the Flag
- Clan system with Clan Wars
- Offline single-player mode
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Grow your blobs by collecting dots placed throughout the game or gobbling up smaller players. Avoid bigger players attempting to do the same. Compete with other players to become the biggest blob in the universe! Features: ◆ Find groups, play with friends, and join a clan! ◆ Over 500 skins with unique ways to unlock them and more coming! ◆ NEW: Special Power Ups in the Shop! ◆ Upload your own custom skin for other players to see! ◆ Online Multiplayer (up to 27 players per game) ◆ Offline Single-player ◆ FFA, Timed FFA, Teams, Timed Teams, Capture the Flag, Survival, and Soccer Mode! ◆ Mayhem Mode! ◆ XP, Achievements, and Stats! ◆ Clan System with Clan Wars! ◆ Feeling competitive? Try the Arenas! ◆ Space or Grid Theme ◆ Multiple Control Schemes ◆ Server Leader Boards Tips: ◆ Eject mass into a black hole to move it ◆ After some time passes your blobs will recombine ◆ Seek refuge from large players inside black holes if you are small ◆ Black holes will break up or shrink your blobs if you are large ◆ Split up when being chased for a small speed boost
Boom Arena
Engage in real-time PvP battles by building a strategic deck of cards. This game emphasizes skill-based combat with fair matchmaking, ensuring no pay-to-win advantages. Enjoy a vast collection of cards, all at the same level, for a truly competitive experience.
- Real-time PvP battles
- Build and deploy battle decks
- Free collection of 80+ cards
- Skill-based matchmaking
- No pay-to-win mechanics
- All cards at the same level
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- Real-Time PvP Battle. - Build your battle deck and destroy enemies. - Free 80+ cards. All cards are the same level. - No pay to win. Battle is based on skill, not card level. - Fair matchmaking. Matchmaking is based on medal, not card level.
Screenshots
Verdict
The clearest difference is rating: Boom Arena at 4.4 against Nebulous.io's 4.1. Boom Arena also leads on review sentiment (75% vs 54%). On price, ratings volume, update cadence 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. Nebulous.io sells 12 one-off in-app purchases and Boom Arena sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Boom Arena holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 2.6K and 6K respectively. Written reviews point the same way: 54% of Nebulous.io's written reviews are positive against 75% of Boom Arena's.
Nebulous.io ships an update every 2 weeks, Boom Arena weekly. The most recent releases landed on September 25, 2026 and September 27, 2026 respectively.
| Parameter | Nebulous.io | Boom Arena |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (2.6K ratings) | 4.4 (6K ratings) — better |
| Positive reviews | 54.1% of reviews | 75.4% of reviews — better |
| Number of ratings | 2.6K | 6K — better |
| Update frequency | Every 2 weeks | Weekly — 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 | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 71 MB | 181 MB |
| Age rating | 9+ | 9+ |
| Developer | Simplicial Software, LLC | Minh Tam Kieu Thi |
Customer experience
Nebulous.io
Boom Arena
User reviews
Nebulous.io
From 2.6K App Store ratingsWhat we love
- 🎮 Engaging gameplay
- 🕹️ Fun game modes
- 🤝 Good for playing with friends
- 💎 Addictive and enjoyable
- 🕰️ Nostalgic for long-time players
Room to improve
- 🐛 Frequent crashes and bugs
- 🔧 Lack of updates and fixes for iOS users
- 🕹️ Unbalanced gameplay mechanics
- 🤝 Issues with teaming and cheating
- 💰 Expensive in-app purchases
Boom Arena
From 6K App Store ratingsWhat we love
- 👍 Balanced gameplay
- 👍 No pay-to-win mechanics
- 👍 Diverse character designs
- 🚀 Faster matchmaking
- 🚀 Smooth gameplay
Room to improve
- 🐛 Teleportation glitch
- 🐛 Mana bar glitches
- 🐛 Occasional bugs and glitches
- 🔧 Need for more polish
- 🔧 Lack of social features
Bugs and requests
Nebulous.io
Reported bugs
5 issues- Progression resets and lost account data
- Connectivity issues and server problems
- Glitches with power-ups and abilities
- Inconsistent performance on iOS devices
- Inability to change name or settings
Requested features
5 requests- Improved matchmaking system
- More game modes and customization options
- Ability to upload custom skins on iOS
- Better community features and moderation
- Reduced in-app purchase costs
Boom Arena
Reported bugs
3 issues- Teleportation glitch allowing troops on King Tower
- Mana bar freezing at certain values
- Occasional crashes and freezes
Requested features
5 requests- Add 2v2 mode
- Implement clan system
- Add more arenas and maps
- Introduce cosmetic customization
- Implement leaderboards and ranking system
In-app purchases
Nebulous.io
- 2,000 Plasma$0.49
- One Spin$0.99
- 5,000 Plasma$0.99
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- 10,000 Plasma$1.49
- 3,000 Plasma$1.99
- Plasma Boost 7 Days$2.99
- Remove Ads2 variants$2.99
- 10,000 Plasma$4.99
- 50,000 Plasma$4.99
- 100,000 Plasma$7.49
- 25,000 Plasma$9.99
- 500,000 Plasma$24.99
Boom Arena
- Some Gems$4.99
- Bag of Gems$19.99
- Chest of Gems$49.99
