# FishOjisan vs Evolution Planet

The clearest difference is price: FishOjisan at Free against Evolution Planet's $14.99. FishOjisan also leads on review sentiment (100% vs 61%) and in-app purchases (none vs 6). Evolution Planet's advantage is update cadence (every 3 months vs every 31 months) and ratings volume (77 vs 2). On ads, device support and iOS requirement there is nothing between them.

FishOjisan is free to download; Evolution Planet costs $14.99 up front. Evolution Planet sells 6 one-off in-app purchases. FishOjisan asks for nothing beyond the download.

FishOjisan holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Evolution Planet has 77 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of FishOjisan's written reviews are positive against 61% of Evolution Planet's.

FishOjisan ships an update every 31 months, Evolution Planet every 3 months. The most recent releases landed on September 18, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | FishOjisan | Evolution Planet |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fishojisan/id1522403488/reviews)** | [4.6 (77 ratings)](https://appshunter.io/ios/app/evolution-planet-14-billion/id1581068279/reviews) |
| Number of ratings | 2 | **77** |
| Positive reviews | **100.0% of reviews** | 60.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 31 months | **Every 3 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 94 MB | 134 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Advanced-Net Inc.](https://appshunter.io/developer/529764265) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### FishOjisan

[App page](https://appshunter.io/ios/app/fishojisan/id1522403488)

Nurture and evolve a unique creature by feeding it and observing its growth. Discover its personality as it talks and changes over time. Uncover the mystery of its final form.

**Highlights:** Feed and nurture your creature, Observe creature evolution, Creature talks and interacts, Discover creature's final form, Relaxing observation gameplay

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

**In-app purchases:** none


### Evolution Planet

[App page](https://appshunter.io/ios/app/evolution-planet-14-billion/id1581068279)

Create and customize your own solar systems with detailed control over planetary orbits, sizes, and rotation. Save up to 100 unique celestial configurations. Explore the vastness of space you design.

**Highlights:** Solar system simulation, Customizable planet orbits, Adjust planet size and rotation, Add rings and satellites, Save up to 100 solar systems

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5000 Energy | $1.99 | one-time |
| Remove Ad | $2.99 | one-time |
| 30000 Energy | $5.99 | one-time |
| 90000 Energy | $9.99 | one-time |
| 250000 Energy | $19.99 | one-time |
| 500000 Energy | $29.99 | one-time |


## Frequently asked questions

### Is FishOjisan free?

FishOjisan is free to download, with no in-app purchases.

### Is Evolution Planet free?

Evolution Planet costs $14.99, and also offers in-app purchases.

### Which has better reviews, FishOjisan or Evolution Planet?

FishOjisan is rated higher. FishOjisan averages 5.0 out of 5 from 2 ratings, while Evolution Planet averages 4.6 from 77 ratings.

### Do FishOjisan or Evolution Planet have ads?

Both FishOjisan and Evolution Planet show ads.

### Which is updated more often, FishOjisan or Evolution Planet?

FishOjisan ships an update every 31 months, and Evolution Planet every 3 months. Most recently, FishOjisan was updated on September 18, 2026 and Evolution Planet on September 26, 2026.

---

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