The Invaders! vs Stack Away
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
The Invaders!
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"Game World View" In the modern 21st century we live in, two advanced alien races from hundreds of thousands of light years away - dogs and cats - discovered the existence of the earth almost simultaneously. However, what surprised them even more, was that the common ancestors of two alien races (dogs and cats) existed on this primitive planet at the same time. Although both are in their primitive forms, a slightly advanced alien race (humans) voluntarily takes good care of the daily life of the ancestors in every possible way. Therefore, in order to compete for the control of the earth's resources, the alien masters are looking for dog and cat servants who are willing to cooperate, and fight for the future of their ancestors (domination of the earth) together! "Game Features" โ AR Combat โ Players use the mobile phone camera to find enemy ships in the real world, and at the same time destroy enemy ships through real-time shooting battles, so as to send their own ships to achieve the goal of occupying the area. After the occupation is successful, they can also see their own ships cruising in the air in real time! โ Turf Wars โ When the area occupied by our side is adjacent to the area of โโthe enemy, it can not only weaken the enemy's defense ability but also strengthen our attack ability. Therefore, the more adjacent areas occupied by our side, the weaker the enemy's ship will be. If you can encircle the enemy's area, the chances of defeating a stronger enemy will be greatly increased! โ Resource Acquisition โ Whether in the area occupied by oneself or allies, players can obtain various resources when they stay in the area, and these resources can also be used to strengthen their own equipment or to strengthen their ships dispatched to occupied territories. โ Strengthen Arms โ The more territory seized by destroying enemy ships, the higher the player's energy level, and the weapon options that can be used to equip themselves or their ships will increase accordingly. Therefore, continuous fighting, occupying new territories, obtaining territorial resources, and then strengthening the armed forces is the most effective strategy to dominate this planet! - In-App Purchase Options (rechargeable battery) -ย Playerโs equipment needs to rely on rechargeable batteries to fight. The system provides 10 rechargeable batteries for players to use, but if they canโt wait for the charging time, they can always continue fighting by purchasing them at in-game store. - In-App Purchase Options (automatic tactical drone) -ย Player needs to use automatic tactical drones to occupy new territories. The system provides 10 automatic tactical drones for player to use every day. Once they are used up, player has to wait until the next day to occupy the new territory again. If player can't wait for the free spaceship, they can always get new ones immediately by purchasing them at in-game store.
Stack Away
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Objective: Players need to sort piles of worms by color. The goal is to manage the board space efficiently by creating stacks of worms of the same color. When a stack of 10 or more worms of the same color is formed, those worms go underground, freeing up space on the board. The game continues endlessly, increasing in complexity as the player progresses through the levels. Gameplay Mechanics: Sorting: Players move worms around to create stacks of the same color. Stacking: When a stack reaches 10 or more worms of the same color, it disappears (goes underground), liberating space on the board. Board Space Management: Players must strategically manage the limited board space. If there isn't enough space for new worms, the player loses. New Stacks: Each move causes a new stack of worms to appear, adding to the challenge of managing the board. Levels: The game features an endless number of levels, each increasing in difficulty. As levels progress, the appearance rate of new stacks may increase, or special worms with unique abilities could be introduced. End Condition: The game ends when the board is completely filled with worms, and there is no space left for new stacks to appear. Visuals and Animation: The worms are colorful and animated, with playful movements as they are sorted and stacked. Fun, vibrant backgrounds and sound effects add to the engaging atmosphere of the game. Strategies: Players must think ahead and plan their moves to create large stacks efficiently. Quick decision-making and spatial awareness are key to progressing through higher levels. Stack Away offer a fun and challenging puzzle experience, appealing to players who enjoy strategic sorting and space management games.
Screenshots
Verdict
The clearest difference is in-app purchases: Stack Away at none against The Invaders!'s 10. Stack Away also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (12.0 vs 15.6). The Invaders!'s advantage is ads (none vs shown). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. The Invaders! sells 10 one-off in-app purchases. Stack Away asks for nothing beyond the download.
The Invaders! ships an update every 9 days, Stack Away every 3 days. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.
| Parameter | The Invaders! | Stack Away |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 3 days โ better |
| Ads | No โ better | Yes |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.6 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 533 MB | 79 MB |
| Age rating | 9+ | 4+ |
| Developer | Li-hsuan Liu | Mohamed Amine ADJABI |
In-app purchases
The Invaders!
- 5 Automic Strategic Drones$0.99
- 10 Disposable Batteries$0.99
- 20 Disposable Batteries$1.99
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- 10 Automic Strategic Drones$1.99
- 30 Disposable Batteries$2.99
- 20 Automic Strategic Drones$3.99
- 60 Disposable Batteries$4.99
- 100 Disposable Batteries$7.99
- 50 Automic Strategic Drones$8.99
- 100 Automic Strategic Drones$15.99
Stack Away
No in-app purchases
Questions
Is The Invaders! free?
Is Stack Away free?
Do The Invaders! or Stack Away have ads?
Which is updated more often, The Invaders! or Stack Away?
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