Rush Defense vs Mathopia
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rush Defense
Defend mystical realms from monstrous adversaries in this idle tower defense game. Strategically place towers, unleash spells, and upgrade your defenses to fend off relentless enemy waves. Progress and strengthen your defenses even while offline.
- Unique tower defense gameplay
- Strategic tower placement
- Powerful spell unleashing
- Idle progression system
- Offline defense strengthening
- Tower and ability upgrades
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Embark on an epic journey in this captivating idle tower defense game where mystical realms collide and heroes clash with monstrous adversaries! Take on the role of a mighty warrior wielding an enchanted axe, defending waves of relentless enemies. Key Features: - Unique Tower Defense Gameplay: Strategically place towers and unleash powerful spells to fend off hordes of fantastical foes. - Idle Progression: Upgrade your towers, unlock new abilities, and discover ancient relics to strengthen your defenses even while offline.
Mathopia
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Sharpen your calculation skills through engaging math challenges that reward speed and accuracy. Race against the clock solving problems while earning gems and unlocking new levels. Perfect for anyone wanting to boost their mental math abilities through addictive gameplay that makes learning feel like play!
Screenshots
Verdict
The clearest difference is ads: Mathopia at none against Rush Defense's shown. Mathopia also leads on update cadence (weekly vs fortnightly). On price, in-app purchases, 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
Both are free to download. Rush Defense sells 10 one-off in-app purchases and Mathopia sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Rush Defense ships an update fortnightly, Mathopia weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Rush Defense | Mathopia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (509 ratings) — better | — |
| Positive reviews | 18.4% of reviews | — |
| Number of ratings | 509 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 445 MB | 51 MB |
| Age rating | 17+ | 4+ |
| Developer | HONG KONG BASIC TECHNOLOGY LIMITED | Huynh Nam |
Bugs and requests
Rush Defense
Reported bugs
16 issues- Ads that cannot be closed or skipped
- Ads redirecting to external websites without exit option
- Game crashes after watching advertisements
- Server connection failures and offline status errors
- Purchased items and ad-skip packs not being delivered
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- Billing charges exceeding advertised prices
- Progress not saving correctly
- Home screen graphics corruption
- Game freezing during dungeon/event loading
- Arena functionality breaking and becoming unplayable
- Lifesteal mechanic removal causing balance issues
- Skill tasks appearing for unlocked abilities
- Version incompatibility between iOS and PC
- Account deletion or inaccessibility after updates
- Coins being halved after watching ads
- Auto-attack stopping mid-gameplay
Requested features
13 requests- Notifications for lab research completion
- Permanent speed increase rewards for watching ads
- Stackable ad-watch bonuses
- Game pause functionality
- Extended gold collection intervals (24 hours instead of 2)
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- Faster game speed option (2x, 4x, 10x multipliers)
- Single tower usage instead of multiple tower requirement
- Auto-upgrade feature for non-premium players
- Clearer upgrade progression guidance
- Original enemy designs and abilities
- Better event balancing without bot manipulation
- Improved arena mechanics beyond click-and-wait
- Detailed damage and stat transparency
Mathopia
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rush Defense
- Gift Pack 1$0.99
- First Recharge Pack$0.99
- limit crystal$1.99
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- limit diamonds$1.99
- Basic Diamond Piggy Bank$7.99
- Monthly Card$9.99
- Novice Pack$9.99
- Ad-Free$9.99
- loong Skin$19.99
- Advanced Pack$29.99
Mathopia
- 5k Gems$2.99
- 15k Gems$7.99
- 50k Gems$23.99
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- 100k Gems$41.99
Questions
Is Rush Defense free?
Is Mathopia free?
Do Rush Defense or Mathopia have ads?
Which is updated more often, Rush Defense or Mathopia?
Other comparisons
