Parallel Earth vs ThunderForce
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Parallel Earth
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Parallel Earth (平行地球) is a fast-paced 2D horizontal shooter featuring stunning parallax space backgrounds, 3 unique pilots, and 6 intense acts of increasing challenge. FEATURES: • 3 distinct pilots with unique abilities • 6 acts with powerful boss battles • EXCEED system for unleashing ultimate attacks • Energy-based gameplay with rewarded ad refills • Japanese voice acting and immersive BGM • Stunning parallax space environments Choose your pilot, master the EXCEED system, and defend the Parallel Earth from alien invaders!
ThunderForce
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《ThunderForce》是一款節奏明快的機器人動作射擊遊戲。操控你的雷霆機器人深入戰場，靈活閃避敵人的猛烈攻勢，運用主武器、特殊武器與強力雷電技能突破包圍！ 在戰鬥中擊敗敵人、收集寶物並強化能力，挑戰逐步升高的關卡難度。面對各具特色的敵軍與強大頭目，掌握攻擊時機與移動技巧，享受刺激的機器人大戰。 【遊戲特色】 爽快直覺的操作體驗：流暢的移動與射擊控制，快速上手享受戰鬥快感。 豐富的機器人陣容：多款能力獨特的機器人隨心選擇，打造你的專屬戰術。 雙武器與技能系統：靈活搭配主武器與特殊武器，觸發連鎖雷電與華麗爆炸效果。 多元關卡與 Boss 戰：面對不同攻擊模式的敵軍，挑戰強大頭目考驗極限反應。 能力養成與裝備收集：戰鬥中收集寶物、升級能力，突破更高難度的挑戰。 立即下載《ThunderForce》，啟動雷霆之力，成為戰場上最強的機器人！ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Parallel Earth at none against ThunderForce's 1. ThunderForce's advantage is ads (none vs shown) and update cadence (every 5 days vs every 4 months). On price 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
Both are free to download. ThunderForce sells 1 in-app purchase, starting at $0.99 per month. Parallel Earth asks for nothing beyond the download.
Parallel Earth ships an update every 4 months, ThunderForce every 5 days. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.
| Parameter | Parallel Earth | ThunderForce |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 149 MB | 74 MB |
| Age rating | 9+ | 4+ |
| Developer | Sui Fai Law | Sun Huang |
In-app purchases
Parallel Earth
No in-app purchases
ThunderForce
- ThunderForce Subscription$0.991 Month
Questions
Is Parallel Earth free?
Is ThunderForce free?
Do Parallel Earth or ThunderForce have ads?
Which is updated more often, Parallel Earth or ThunderForce?
Other comparisons
