# Spider Evolution vs Idle Alien Octopus

Spider Evolution and Idle Alien Octopus both sit at 4.8 stars, but that hides the real split: 92% of Spider Evolution's written reviews are positive against 60% of Idle Alien Octopus's. Spider Evolution also leads on update cadence (every 6 weeks vs every 22 months) and ratings volume (313 vs 33). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Spider Evolution sells 14 one-off in-app purchases and Idle Alien Octopus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Spider Evolution against 4.7 for Idle Alien Octopus. That said, the two scores are not equally well evidenced: Spider Evolution has 313 ratings behind it against 33, so its average is the more settled of the two. Written reviews are what separate them: 92% of Spider Evolution's written reviews are positive against 60% of Idle Alien Octopus's.

Spider Evolution ships an update every 6 weeks, Idle Alien Octopus every 22 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Spider Evolution | Idle Alien Octopus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (313 ratings)](https://appshunter.io/ios/app/spider-evolution-idle-game/id1645135841/reviews)** | [4.7 (33 ratings)](https://appshunter.io/ios/app/idle-alien-octopus-tycoon-game/id6444157833/reviews) |
| Number of ratings | **313** | 33 |
| Positive reviews | **91.7% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 22 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 158 MB | 172 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [TPG TECNOLOGIA DA INFORMACAO LTDA](https://appshunter.io/developer/444343830) | [Nikita Subachev](https://appshunter.io/developer/1447777375) |

## What reviewers say

### Spider Evolution

[App page](https://appshunter.io/ios/app/spider-evolution-idle-game/id1645135841)

Merge exotic spider species to create new mutant creatures with unique features. Discover different stages, unlock new breeds, and enjoy an open-ended gameplay experience with a humorous story. Earn coins by tapping spiders or using eggs to purchase new creatures and expand your collection.

**Highlights:** Merge spider species to create new mutants, Discover different stages and spider breeds, Earn coins by tapping or using spider eggs, Unlock new creatures and expand your collection, Experience a humorous story with twists, Enjoy open-ended, idle gameplay

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alien Currency Pack 1 | $1.99 | one-time |
| Hard Currency Pack 1 | $1.99 | one-time |
| Hard Currency Pack Offer | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Shop Bundle 1 | $2.99 | one-time |
| Promo Bundles Very High | $2.99 | one-time |
| Hard Currency Pack 2 | $4.99 | one-time |
| Alien Currency Pack 2 | $5.99 | one-time |
| Shop Bundle 2 | $5.99 | one-time |
| Promo Bundles High | $5.99 | one-time |
| Trinket | $6.99 | one-time |
| Hard Currency Pack 3 | $9.99 | one-time |
| Starter Bundle Discount | $9.99 | one-time |
| Premium Bundle Discount | $9.99 | one-time |


### Idle Alien Octopus

[App page](https://appshunter.io/ios/app/idle-alien-octopus-tycoon-game/id6444157833)

Control an octopus and evolve it into a fearsome sea monster. Hunt and consume everything in sight, from fish and humans to ships and even spacecraft, to grow stronger and explore vast underwater and outer space environments. Upgrade your creature's abilities to dominate the ocean and beyond.

**Highlights:** Octopus hunting simulation, Evolve into a legendary sea creature, Explore diverse 3D environments, Upgrade creature stats and abilities, Idle mechanics with auto-swimming, Boss fights and underwater battles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $3.99 | one-time |


## Frequently asked questions

### Is Spider Evolution free?

Spider Evolution is free to download, with in-app purchases available.

### Is Idle Alien Octopus free?

Idle Alien Octopus is free to download, with in-app purchases available.

### Which has better reviews, Spider Evolution or Idle Alien Octopus?

Spider Evolution is rated higher. Spider Evolution averages 4.8 out of 5 from 313 ratings, while Idle Alien Octopus averages 4.7 from 33 ratings.

### Do Spider Evolution or Idle Alien Octopus have ads?

Both Spider Evolution and Idle Alien Octopus show ads.

### Which is updated more often, Spider Evolution or Idle Alien Octopus?

Spider Evolution ships an update every 6 weeks, and Idle Alien Octopus every 22 months. Most recently, Spider Evolution was updated on October 24, 2026 and Idle Alien Octopus on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*