# Ancient Planet Tower Defense vs Module TD Tower Defense Sci Ancient Planet Tower Defense and Module TD Tower Defense Sci both sit at 4.6 stars, but that hides the real split: 83% of Ancient Planet Tower Defense's written reviews are positive against 42% of Module TD Tower Defense Sci's. Ancient Planet Tower Defense also leads on iOS requirement (13.0 vs 15.6). Module TD Tower Defense Sci's advantage is update cadence (monthly vs every 3 months). On price, rating, ratings volume and ads there is nothing between them. Both are free to download. Ancient Planet Tower Defense sells 8 one-off in-app purchases and Module TD Tower Defense Sci sells 12 one-off in-app purchases. Whichever you choose, the download price is not the number that matters. Ancient Planet Tower Defense holds the better App Store score, 4.6 against 4.5. Both are backed by a comparable volume of ratings — 1.3K and 1.3K respectively. Written reviews point the same way: 83% of Ancient Planet Tower Defense's written reviews are positive against 42% of Module TD Tower Defense Sci's. Ancient Planet Tower Defense ships an update every 3 months, Module TD Tower Defense Sci monthly. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively. ## The numbers | Metric | Ancient Planet Tower Defense | Module TD Tower Defense Sci | | --- | --- | --- | | Price | Free | Free | | Rating | **[4.6 (1.3K ratings)](https://appshunter.io/ios/app/ancient-planet-tower-defense/id869341551/reviews)** | [4.5 (1.3K ratings)](https://appshunter.io/ios/app/module-td-tower-defense-sci-fi/id1373636489/reviews) | | Number of ratings | **1.3K** | 1.3K | | Positive reviews | **83.1% of reviews** | 42.1% of reviews | | In-app purchases | Yes | Yes | | Ads | No | No | | Update frequency | Every 3 months | **Monthly** | | Monetization | Free with in-app purchases | Free with in-app purchases | | Size | 152 MB | 413 MB | | Requires iOS | **13.0** | 15.6 | | Devices | iPhone, iPad, iPod | iPhone, iPad, iPod | | Age rating | 9+ | 9+ | | Developer | [Dmitri Isaenkov](https://appshunter.io/developer/786362645) | [Mikhail Vladimirovich](https://appshunter.io/developer/660171136) | ## What reviewers say ### Ancient Planet Tower Defense [App page](https://appshunter.io/ios/app/ancient-planet-tower-defense/id869341551) Defend an ancient stronghold from alien invaders using powerful technologies. Build and upgrade towers in a classic tower defense experience with unique levels and diverse enemies. Enjoy an offline, ad-free strategy game with a compelling storyline. **Highlights:** Classic Tower Defense gameplay, Build towers anywhere on the field, 40 unique levels, Diverse enemies with unique features, Tower and base upgrading system, Offline play, no internet required, Ad-free experience **Features:** macOS Compatibility **In-app purchases (8)** | Purchase | Price | Billing | | --- | --- | --- | | Few emeralds | $0.99 | one-time | | Handful of emeralds | $1.99 | one-time | | Scattered emeralds | $2.99 | one-time | | Pile of emeralds | $4.99 | one-time | | Mountain of emeralds | $9.99 | one-time | | Emerald reserves | $19.99 | one-time | | Plenty of emeralds | $39.99 | one-time | | Countless emeralds | $49.99 | one-time | **What reviewers like** - 👍 Fun and addictive gameplay - 🚀 Smooth and responsive - 🔒 No ads or in-app purchases required - 💡 Unique tower and upgrade mechanics - 👍 Challenging yet rewarding progression **What reviewers complain about** - 🐛 Difficulty spikes can be frustrating - 💰 Upgrading towers can be grindy - 🔋 Survival mode rewards are underwhelming **Reported bugs** - Occasional crashes or freezes - Issues with tower placement and controls **Requested features** - More levels and content updates - Ability to replay previous levels with upgraded towers - Improved survival mode rewards ### Module TD Tower Defense Sci [App page](https://appshunter.io/ios/app/module-td-tower-defense-sci-fi/id1373636489) Defend your space base from waves of incoming enemies by strategically placing and customizing unique towers. This offline strategy game offers deep customization with modular elements and elemental bonuses to overcome challenging levels. **Highlights:** Offline Tower Defense, Highly Customizable Towers, Modular Elements, Elemental Bonuses, 80+ Levels, Strategic Gameplay, Achievements **Features:** macOS Compatibility **In-app purchases (12)** | Purchase | Price | Billing | | --- | --- | --- | | Matrix Small Pack | $0.99 | one-time | | Metamaterials+Matrix Small | $0.99 | one-time | | Matrix Moderate Pack | $1.99 | one-time | | Average Pack | $2.99 | one-time | | Matrix Average Pack | $4.99 | one-time | | Metamaterials Average Pack | $4.99 | one-time | | Matrix Good-Sized Pack | $8.99 | one-time | | Metamaterials+Matrix Medium | $8.99 | one-time | | Matrix Large Pack | $17.99 | one-time | | Metamaterials Large Pack | $17.99 | one-time | | Metamaterials Huge Pack | $43.99 | one-time | | Metamaterials and Matrix | $49.99 | one-time | **What reviewers like** - 🚀 Challenging and fun - 🔒 No aggressive in-app purchases - 🔒 No forced ads - 👍 Customizable towers and strategy - 👍 Lots of levels and replay value **What reviewers complain about** - 🐛 Bugs and glitches - 🐛 Levels not properly optimized for newer devices - 🐛 Crashes and freezes on certain levels - 🐛 Progression and purchases not syncing across devices - 🐛 Difficulty spike and pay-to-win mechanics **Reported bugs** - Levels not loading properly - Towers disappearing or not functioning - Game progress being reset or lost - Incompatibility issues with newer devices - Crashes and freezes on certain levels **Requested features** - More levels and updates - Better tutorial and in-game explanations - Difficulty options and customization - Sync progress and purchases across devices - Improved performance and optimization ## Frequently asked questions ### Is Ancient Planet Tower Defense free? Ancient Planet Tower Defense is free to download, with in-app purchases available. ### Is Module TD Tower Defense Sci free? Module TD Tower Defense Sci is free to download, with in-app purchases available. ### Which has better reviews, Ancient Planet Tower Defense or Module TD Tower Defense Sci? Ancient Planet Tower Defense is rated higher. Ancient Planet Tower Defense averages 4.6 out of 5 from 1.3K ratings, while Module TD Tower Defense Sci averages 4.5 from 1.3K ratings. ### Do Ancient Planet Tower Defense or Module TD Tower Defense Sci have ads? Neither Ancient Planet Tower Defense nor Module TD Tower Defense Sci shows ads. ### Which is updated more often, Ancient Planet Tower Defense or Module TD Tower Defense Sci? Ancient Planet Tower Defense ships an update every 3 months, and Module TD Tower Defense Sci monthly. Most recently, Ancient Planet Tower Defense was updated on November 1, 2026 and Module TD Tower Defense Sci on October 26, 2026. --- *Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*