# Premium Clock vs RYUKIN

The clearest difference is review sentiment: RYUKIN at 94% against Premium Clock's 0%. RYUKIN also leads on rating (4.9 vs 4.0) and update cadence (weekly vs every 29 months). Premium Clock's advantage is in-app purchases (none vs 38) and price ($1.99 vs $3.49). On ads and device support there is nothing between them.

Premium Clock costs $1.99 and RYUKIN $3.49 up front. RYUKIN sells 35 one-off in-app purchases. Premium Clock asks for nothing beyond the download.

RYUKIN holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: RYUKIN has 62 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Premium Clock's written reviews are positive against 94% of RYUKIN's.

Premium Clock ships an update every 29 months, RYUKIN weekly. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Premium Clock | RYUKIN |
| --- | --- | --- |
| Price | **$1.99** | $3.49 |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/premium-clock/id517487778/reviews) | **[4.9 (62 ratings)](https://appshunter.io/ios/app/ryukin/id6471839445/reviews)** |
| Number of ratings | 3 | **62** |
| Positive reviews | 0.0% of reviews | **94.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 227 MB |
| Requires iOS | **13** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Masataka Hakozaki](https://appshunter.io/developer/323346554) |

## What reviewers say

### Premium Clock

[App page](https://appshunter.io/ios/app/premium-clock/id517487778)

This app offers a curated selection of premium analog clock faces for iOS devices. Customize your display by showing or hiding the date and seconds, and set timely reminders. Its energy-efficient design and adjustable brightness make it a practical addition to your device.

**Highlights:** Customizable analog clock styles, Show/hide date and seconds, Set reminders and notifications, Energy-efficient design, Adjustable brightness

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

**In-app purchases:** none


### RYUKIN

[App page](https://appshunter.io/ios/app/ryukin/id6471839445)

Experience the serene beauty of goldfish swimming in a customizable virtual aquarium. Interact with the fish, adjust tank settings, and enjoy soothing visuals and sounds. Perfect for relaxation or a calming presence.

**Highlights:** Interactive goldfish that respond to touch, Customizable tank shape and background, Soothing water sounds and visuals, Cat & Baby Mode for safe interaction, Sleep timer for bedtime use, Play your own music, Clock and date display

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

**In-app purchases (35)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WIREFRAME RAINBOW | $0.99 | one-time |
| ROBO FISH 02 | $1.99 | one-time |
| ROBO FISH 04 | $1.99 | one-time |
| ROBO FISH 06 | $1.99 | one-time |
| GHOST BRIDE | $1.99 | one-time |
| BAT FISH | $1.99 | one-time |
| CALICO ORANGE/WHITE/BLACK | $1.99 | one-time |
| BLACK WHITE KITTY FISH | $1.99 | one-time |
| GHOST TRANSLUCENT | $1.99 | one-time |
| BLACK KITTY FISH | $1.99 | one-time |
| WHITE KITTY FISH | $1.99 | one-time |
| ROBO FISH 03 | $1.99 | one-time |
| GHOST BLACK | $1.99 | one-time |
| ROBO FISH 01 | $1.99 | one-time |
| ORANGE & WHITE KITTY FISH | $1.99 | one-time |
| RED RYUKIN | $1.99 | one-time |
| RED-WHITE RYUKIN | $1.99 | one-time |
| CALICO RED/WHITE/BLACK | $1.99 | one-time |
| ORANGE/WHITE | $1.99 | one-time |
| CALICO RED/GRAY/BLACK | $1.99 | one-time |
| YELLOW GOLD RYUKIN | $1.99 | one-time |
| RED CAP ORANDA | $1.99 | one-time |
| RED/WHITE II | $1.99 | one-time |
| LIONHEAD ORANGE/WHITE/BLACK | $1.99 | one-time |
| GHOST LUMINOUS | $1.99 | one-time |
| BLACK RYUKIN | $1.99 | one-time |
| CALICO KITTY FISH | $1.99 | one-time |
| GRAY WHITE KITTY FISH | $1.99 | one-time |
| WHITE VAMPIRE | $1.99 | one-time |
| BLACK VAMPIRE | $1.99 | one-time |
| BLACK WITCH | $1.99 | one-time |
| WHITE WITCH | $1.99 | one-time |
| ZOMBIE FISH | $1.99 | one-time |
| SKELETON FISH | $1.99 | one-time |
| PANDA TELESCOPE | $1.99 | one-time |

**What reviewers like**

- 💎 Gorgeous and lifelike fish
- 🎨 Beautiful and customizable environments
- 🎶 Soothing water sounds
- 🕰️ Useful clock feature
- 👍 Immersive and relaxing experience

**What reviewers complain about**

- 🔋 High battery consumption on max settings
- 💰 Additional fish require paid purchases
- 🌱 Lack of plant/natural decor options
- 🐟 Limited variety of standard goldfish

**Reported bugs**

- Occasional crashing on high-end devices

**Requested features**

- Ability to change fish colors
- Add more fish species (e.g. bettas, tetras)
- Implement fish breeding/growth mode
- Allow customizing fish placement in tank
- Add desktop/widget mode for always-on display


## Frequently asked questions

### Is Premium Clock free?

Premium Clock costs $1.99, with no in-app purchases.

### Is RYUKIN free?

RYUKIN costs $3.49, and also offers in-app purchases.

### Which has better reviews, Premium Clock or RYUKIN?

RYUKIN is rated higher. Premium Clock averages 4.0 out of 5 from 3 ratings, while RYUKIN averages 4.9 from 62 ratings.

### Do Premium Clock or RYUKIN have ads?

Neither Premium Clock nor RYUKIN shows ads.

### Which is updated more often, Premium Clock or RYUKIN?

Premium Clock ships an update every 29 months, and RYUKIN weekly. Most recently, Premium Clock was updated on October 15, 2026 and RYUKIN on October 22, 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.*