Comparison

Ancient Planet Tower Defense vs Module TD Tower Defense Sci

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Ancient Planet Tower Defense

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
Read full description

Play offline, without adverts, registration or SMS! The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies Features: - Classic Tower Defense (TD) for those who are fond of good old games; - Building towers in any free area on the field; - 40 unique levels; - Plenty of diverse enemies with their own features; - The game offers upgrading towers, as well as everything else. New improvements allow selecting exceptional strategies for each level. Even the base can be upgraded! - Improvements can be reset and distributed at will, it is free and you get all your emeralds back; - The storyline is based on recollections of the veterans of intergalactic wars; - Our artist visited the ancient planet himself in order to recreate its image in the game; - Character voices sound identical to real ones; - The game was developed upon the order of the High Council of the Intelligent Civilizations of the Galaxy; - There should have been one more feature here, but it failed censorship, so we replaced it with an advert: “Galactic energy drink “Improviser” with a rocket fuel extract will reduce fatigue and shorten your life by a couple of years. “Improviser” – for a vibrant and fast life!” A pleasant bonus: Offline games are not so common today, but we have wiped the hell out of our server and now you can play wherever you want as long as your battery is charged. So what did we get? A strategy that does not need Internet! You can battle on board a plane, a ship or even a submarine - offline! Ad-free games are also rare to come across nowadays, so what do you think we did? That is right; we decided not to insert ads. There is absolutely no advertising at all, except for the Improviser, which we created ourselves. The game can also be found on Armor Games website. And that is it. We love strategies, we did our best to create the game, and it turned out quite decent. If you like it, do not forget to rate and leave a review; if you do not, you can blame us in comments, we accept any criticism. If things are bad and some help is needed, you can contact the technical support, using the in-game feedback form.

About

Module TD Tower Defense Sci

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
Read full description

Tower Defense Offline game. Best td game in defence genre. Play this best tower defence strategy game. Great TD among other defence games. Defend using epic and unique towers. This is a tower defence strategy game where your goal is to defend your territory by obstructing the enemy attackers by placing defensive structures on their path of attack. In this strategy game player has a space base that must be defended by the player. You have waves of multiple incoming "enemies" that must be defended against. Overall whether you will succeed or not will depend on your ability to strategically place and construct towers in the path of attacking enemies. Highly customizable towers with 5 basic elements and more than 31 sci fi modules making your defence unique. Overcome incredible odds and build defence with strategy and wit. Download it now and enjoy the most challenging game among best tower defense games. Unparalleled level of depth for defence games. Module Tower Defense features: • 80+ levels • Customize towers to fit your strategic plan • Plan your actions carefully and adapt to the ever changing battlefield as the level transform itself during the battle • Vast amount of modular elements that can give your tower additional unique effects such as income or splash or critical strike. • Find ultimate combos as Modules can amplify each other’s performance • Enemies have special abilities that can have devastating effect on your defences. • Elements give you special bonuses and perks against certain enemies. • Change the level layout by building towers on the path of space monsters • 3 different skills that can give you yet another way to customize your experience. • Beautiful graphics • Achievements - Get rewards and show off your superiority making the best combinations possible! I personally was playing TD games all my childhood and played through almost every single one. However, when I tried other tower defence games on the market I found that they were way too simple, or just plain boring. Some of what I found were not even tower defense offline games. Selection of towers was too small, they was either easy to build or did not hold enough without donations. Enemies managed to tower rush you in case you play td games free. No matter which tower you got, your tower defence would crush and burn and your castle would fall. So I thought: there should be td games free to play with different options for towers and defences and all the perks of great strategy games. I made this tower defense offline game in hopes that it will give you the depth of old school td game experience on modern devices. Strategy is important here because the resources available to achieve these goals are limited. Strategy here involves setting goals, determining actions to achieve the goals, and mobilizing resources to execute the actions. A strategy describes how the ends (goals) will be achieved by the means (resources). It is a common knowledge that strategy typically involves two major processes: formulation and implementation. Formulation involves analyzing the environment or situation, making a diagnosis, and developing guiding policies. It includes such activities as strategic planning and strategic thinking. Implementation refers to the action plans taken to achieve the goals established by the guiding policy. In this game to succeed you will need to understand both of these processes. Hope you like it. And if you don’t: leave me a comment so I can make it better. =) We have got everything that makes great playing experience: tower, best strategy offline elements, sci fi setting. Explore one of the best tower defence offline games out there and unleash the power of the best tower you can build. https://www.facebook.com/Module-TD-Sci-Fi-Tower-Defense-2151672478181003/ http://moduletd.com/

Screenshots

Ancient Planet Tower Defense4 screens
Module TD Tower Defense Sci4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Ancient Planet Tower Defense versus Module TD Tower Defense Sci: the parameters behind the verdict, then further details
ParameterAncient Planet Tower DefenseModule TD Tower Defense Sci
PriceFreeFree
Rating4.6 (1.3K ratings) — better4.5 (1.3K ratings)
Positive reviews83.1% of reviews — better42.1% of reviews
Number of ratings1.3K — better1.3K
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size152 MB413 MB
Age rating9+9+
DeveloperDmitri IsaenkovMikhail Vladimirovich

Customer experience

Ancient Planet Tower Defense

All ratings1,262 ratings
Positive93.1%
Neutral3.3%
Negative3.6%
Written reviews272 reviews
Positive83.1%
Neutral4.8%
Negative12.1%

Module TD Tower Defense Sci

All ratings1,257 ratings
Positive86.2%
Neutral7.0%
Negative6.8%
Written reviews152 reviews
Positive42.1%
Neutral14.5%
Negative43.4%

User reviews

Ancient Planet Tower Defense

From 1.3K App Store ratings

What we love

  • 👍 Fun and addictive gameplay
  • 🚀 Smooth and responsive
  • 🔒 No ads or in-app purchases required
  • 💡 Unique tower and upgrade mechanics
  • 👍 Challenging yet rewarding progression

Room to improve

  • 🐛 Difficulty spikes can be frustrating
  • 💰 Upgrading towers can be grindy
  • 🔋 Survival mode rewards are underwhelming

Module TD Tower Defense Sci

From 1.3K App Store ratings

What we love

  • 🚀 Challenging and fun
  • 🔒 No aggressive in-app purchases
  • 🔒 No forced ads
  • 👍 Customizable towers and strategy
  • 👍 Lots of levels and replay value

Room to improve

  • 🐛 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

Bugs and requests

Ancient Planet Tower Defense

Reported bugs

2 issues
  • Occasional crashes or freezes
  • Issues with tower placement and controls

Requested features

3 requests
  • More levels and content updates
  • Ability to replay previous levels with upgraded towers
  • Improved survival mode rewards

Module TD Tower Defense Sci

Reported bugs

5 issues
  • 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

5 requests
  • More levels and updates
  • Better tutorial and in-game explanations
  • Difficulty options and customization
  • Sync progress and purchases across devices
  • Improved performance and optimization

In-app purchases

8 purchases

Ancient Planet Tower Defense

One-time8
  • Few emeralds$0.99
  • Handful of emeralds$1.99
  • Scattered emeralds$2.99
Show 5 more
  • Pile of emeralds$4.99
  • Mountain of emeralds$9.99
  • Emerald reserves$19.99
  • Plenty of emeralds$39.99
  • Countless emeralds$49.99
12 purchases

Module TD Tower Defense Sci

One-time12
  • Matrix Small Pack$0.99
  • Metamaterials+Matrix Small$0.99
  • Matrix Moderate Pack$1.99
Show 9 more
  • Average Pack$2.99
  • Matrix Average Pack$4.99
  • Metamaterials Average Pack$4.99
  • Matrix Good-Sized Pack$8.99
  • Metamaterials+Matrix Medium$8.99
  • Matrix Large Pack$17.99
  • Metamaterials Large Pack$17.99
  • Metamaterials Huge Pack$43.99
  • Metamaterials and Matrix$49.99

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.

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