Comparison

OverclockeTD vs Tower Defence London

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

Head to head
About

OverclockeTD

A synthwave-inspired tower defense game where you strategically place towers to eliminate enemies. Overclock your defenses for temporary boosts and protect your heart across multiple worlds and levels. Enjoy a free experience with optional additional content.

Highlights
  • Strategic tower placement
  • Overclocking for temporary power-ups
  • Synthwave 80s pixel art style
  • Multiple worlds and levels
  • Free to play with optional purchases
Features
Read full description

Build towers, protect your heart, overclock to be OP and enjoy the synth — in this 80s pixel synthwave inspired tower defense game. Strategically place towers to eliminate incoming enemy creeps. Overclock your towers to make them stronger for a short period of time, when you desperately need the extra firepower. Use the strengths of the different towers to your advantage to rise victorious! 7 worlds with a total of 33 levels await you for free and without ads! Get 3 more worlds with another 15 levels for a price of your choice! Can you defeat the enemies and protect your heart in all levels? OverclockeTD was selected as one of 16 'Favorite Swiss Made Games' on the App Store in Switzerland in August 2021.

About

Tower Defence London

Features
Read full description

LONDON HAS FALLEN. HOLD THE LINE. The dead walk the streets - from Westminster to the Tower. You command the last defence. Deploy units and lead heroes to stop the undead horde before it reaches Tower Bridge. Tower Defence London is a deep, hand-crafted strategy tower defence game spanning all 33 London boroughs and 100 unique levels - the polished, "just one more level" TD you can't put down. BUILD YOUR DEFENCE - Four unit classes - Barracks, Archers, Gunners, Royal Artillery - each upgradeable through several tiers, with archers forking into specialist builds - Place, upgrade and sell on the fly as the horde adapts to you LEAD HEROES INTO BATTLE - Unlock four free milestone heroes, each with an active and an ultimate ability - Send them across the field and target their powers where it hurts most 100 LEVELS ACROSS REAL LONDON - A campaign that winds past real landmarks to a final stand at Tower Bridge - Four difficulty modes - Casual, Normal, Heroic, Iron - with a 3-star rating to chase on every level - A deep talent tree that permanently strengthens your whole arsenal THE LAST STAND - ENDLESS SURVIVAL - Hold a full-screen arena against escalating hordes, with an apocalypse boss every tenth wave - Climb the global Game Center leaderboards: all-time, weekly and daily PLAY YOUR WAY - Free to play through levels 1-50; unlock 51-100 with a single one-time purchase - Fully offline - no connection required, no ads interrupting the action - One simple currency. No energy timers. No nonsense. Smooth, fast and built for touch. If you love classic fixed-path tower defence, deep strategy games and a proper zombie siege, London needs you. Download Tower Defence London and hold the city.

Screenshots

OverclockeTD4 screens
Tower Defence London4 screens

Verdict

The call

The clearest difference is rating: Tower Defence London at 5.0 against OverclockeTD's 4.5. Tower Defence London also leads on update cadence (daily vs every 2 months). OverclockeTD's advantage is ratings volume (10 vs 2) and iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support 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. OverclockeTD sells 6 one-off in-app purchases and Tower Defence London sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tower Defence London holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: OverclockeTD has 10 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

OverclockeTD ships an update every 2 months, Tower Defence London daily. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
OverclockeTD versus Tower Defence London: the parameters behind the verdict, then further details
ParameterOverclockeTDTower Defence London
PriceFreeFree
Rating4.5 (10 ratings)5.0 (2 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings10 — better2
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size115 MB18 MB
Age rating9+9+
DeveloperJonas KrucherBlue Pixl Ltd

In-app purchases

6 purchases

OverclockeTD

One-time6
  • Small Pledge$0.99
  • Premium: small amount$0.99
  • Medium Pledge$2.99
Show 3 more
  • Premium: medium amount$2.99
  • Big Pledge$4.99
  • Premium: big amount$4.99
6 purchases

Tower Defence London

One-time6
  • Pouch of Gold$0.99
  • Sack of Gold$2.99
  • Greater London Uprising$4.99
Show 3 more
  • Chest of Gold$4.99
  • Crate of Gold$9.99
  • Hoard of Gold$19.99

Questions

Is OverclockeTD free?
OverclockeTD is free to download, with in-app purchases available.
Is Tower Defence London free?
Tower Defence London is free to download, with in-app purchases available.
Which has better reviews, OverclockeTD or Tower Defence London?
Tower Defence London is rated higher. OverclockeTD averages 4.5 out of 5 from 10 ratings, while Tower Defence London averages 5.0 from 2 ratings.
Do OverclockeTD or Tower Defence London have ads?
Neither OverclockeTD nor Tower Defence London shows ads.
Which is updated more often, OverclockeTD or Tower Defence London?
OverclockeTD ships an update every 2 months, and Tower Defence London daily. Most recently, OverclockeTD was updated on October 22, 2026 and Tower Defence London on October 24, 2026.

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