Coelacanth and ancient fish vs Bettarium
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Coelacanth and ancient fish
Customize coelacanth colors and feed them to earn points. Excavate fossils for bonuses and purchase new backgrounds and creatures. Experience AR to bring the ancient world into your room.
- Color customization for coelacanth
- Dynamic predation for points
- Fossil excavation with bonus multipliers
- Purchase background images and creatures
- AR function for recreating ancient worlds
Read full descriptionHide full description
● You can adjust the coelacanth to your favorite color by using the color adjustment food. There is also high point food, and you can get points while looking at the dynamic predation. Points can buy background images and ancient creatures. ● You can get points by excavating fossils and rewarding them. Select a colored stone and tap it carefully to crush the stone. If you take out the fossil inside without damaging it, you will get a perfect bonus. The bonus multiplier will increase as you issue Perfects in succession. The points of fossils change depending on their rarity. Let's get reward food while having fun. ● Equipped with AR function. You can recreate the ancient world in your room.
Bettarium
Easily care for beautiful betta fish in a virtual aquarium. Watch them grow, customize their appearance, and enjoy them as a decorative table clock. This app offers a relaxing way to experience pet ownership without the real-world commitment.
- 3D betta fish simulation
- Over 300 betta fish types
- Custom fish painting
- Interactive fish behavior
- Table clock mode
- In-game point system for new fish
- Feeding reminders
Read full descriptionHide full description
You can easily keep betta fish, a tropical fish with long fins and beautiful body color. They will grow little by little by simply cleaning and feeding them. In clock mode, you can enjoy it as a substitute for a table clock. FEATURES • Amazing 3D graphics • More than 300 types of betta fish. • You can create your own fish using the paint function. • Betta follow your finger and flare their gills. • Simple Control. Swipe to cleaning, tap to feed. • There is a table clock mode • If you take care of fish, you will get points • You can add new fish by points • Comfortable background music • There is a notification function so that you do not forget to feed Recommended for people who • want to keep pets but cannot • are not good at games • like taking care of living things • is tired from work, study, child care
Screenshots
Verdict
The clearest difference is rating: Bettarium at 4.8 against Coelacanth and ancient fish's 3.7. Bettarium also leads on review sentiment (83% vs 50%) and ratings volume (597 vs 7). Coelacanth and ancient fish's advantage is in-app purchases (none vs 2) and update cadence (every 5 weeks vs every 3 months). On price, ads 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. Bettarium sells 2 one-off in-app purchases. Coelacanth and ancient fish asks for nothing beyond the download.
Bettarium holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Bettarium has 597 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 50% of Coelacanth and ancient fish's written reviews are positive against 83% of Bettarium's.
Coelacanth and ancient fish ships an update every 5 weeks, Bettarium every 3 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Coelacanth and ancient fish | Bettarium |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (7 ratings) | 4.8 (597 ratings) — better |
| Positive reviews | 50.0% of reviews | 82.7% of reviews — better |
| Number of ratings | 7 | 597 — better |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 108 MB | 192 MB |
| Age rating | 4+ | 4+ |
| Developer | Yamabus | Himitsu Lab Inc. |
Customer experience
Coelacanth and ancient fish
Bettarium
In-app purchases
Coelacanth and ancient fish
No in-app purchases
Bettarium
- Premium Pack$2.99
- Premium Pack$5.99
Questions
Is Coelacanth and ancient fish free?
Is Bettarium free?
Which has better reviews, Coelacanth and ancient fish or Bettarium?
Do Coelacanth and ancient fish or Bettarium have ads?
Which is updated more often, Coelacanth and ancient fish or Bettarium?
Other comparisons
