Rex vs Alien Duel
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Rex
Match three prehistoric creatures to evolve them into a more powerful form. Then, use your evolved dinosaurs to battle against another team in this strategic puzzle game.
- Match-3 evolution mechanic
- Dinosaur-themed gameplay
- Team-based battles
- Strategic puzzle elements
- Prehistoric creature evolution
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Match 3 dinosaurs to create one and challenge an other team!
Alien Duel
Compete in a unique sports event where animals race to collect colored cubes and overcome obstacles. Knock down opponents to gain blocks and reach the finish line first to win.
- Animal athletes competition
- Collect colored cubes
- Knock down opponents
- Clear track obstacles
- Race to the finish line
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The annual Animal Games has begun! This is a sports meeting combining human beings and lower animals. There are three members participating in the competition this year . Let us invite the first player "Husky" and then our second player "Strong The last contestant of "Little Cat" is the dark horse of this field, and our national treasure "Giant Panda" is on the stage~ Each athlete needs to collect the corresponding color cubes on the field and clear the obstacles on their own track to win. Let us do this for you! Gameplay : 1. There are three blocks of different colors, and you can only collect the blocks of your own corresponding color. 2. At the same time, you can get the blocks by knocking down the opponent. 3. Finally clear the obstacles and reach the end to win
Screenshots
Verdict
The clearest difference is in-app purchases: Alien Duel at none against Rex's 10. Alien Duel also leads on ratings volume (75 vs 8) and iOS requirement (13.0 vs 15.0). On price, rating, update cadence 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
Both are free to download. Rex sells 10 one-off in-app purchases. Alien Duel asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 3.8 for Rex against 3.6 for Alien Duel. That said, the two scores are not equally well evidenced: Alien Duel has 75 ratings behind it against 8, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 3 months. Both last shipped on November 3, 2026.
| Parameter | Rex | Alien Duel |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (8 ratings) — better | 3.6 (75 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 | 75 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 197 MB | 292 MB |
| Age rating | 4+ | 12+ |
| Developer | Yso Corp | 智 饶 |
Customer experience
Rex
Alien Duel
In-app purchases
Rex
- Speed Pack$1.99
- Remove Ads$2.99
- MegaBrachio$3.99
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- MegaSarco$3.99
- MegaSpino$3.99
- MegaRex$3.99
- Speed Pack Plus$3.99
- Pack MegaSarco$5.99
- Pack MegaSpino$5.99
- Master Pack$17.99
Alien Duel
No in-app purchases
