Comparison

Mechanical Clock 3D vs Pond Koi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Mechanical Clock 3D

Explore the intricate workings of a mechanical clock with realistic 3D graphics. Witness its internal gears and mechanisms in motion, and enjoy hourly chimes and authentic tick-tock sounds. Customize the visual experience with two distinct color schemes.

Highlights
  • High-quality 3D graphics
  • Shows current time
  • Hourly and half-hourly chimes
  • Tick-tock sound effect
  • Two color schemes
Read full description

Ever wondered how a clock works? Want to see all the "internals"? Get this magnificent, realistic Mechanical Clock 3D. Features: - high-quality 3D graphics and effects - showing current time - chimes every hour and every half hour - tick-tock sound - two color schemes _________________ Become a fan on Facebook: www.facebook.com/3Planesoft Visit our website: www.3planesoft.com

About

Pond Koi

Create a serene digital pond with swimming koi, customizable backgrounds, and natural soundscapes. Interact with the fish, add flowers, and enjoy a stress-relieving visual and auditory experience.

Highlights
  • Realistic koi fish simulation
  • Customizable pond backgrounds
  • Interactive fish feeding and teasing
  • Variety of natural sound effects
  • Flower and leaf arrangement
  • Realistic water splashes and ripples
Features
Read full description

Enjoy the aesthetic beauty of koi and the playful charm of a realistic lotus pond. The koi pond is filled with beautiful, carefree fish—plump, adorable, and full of life. It’s the perfect place to pause, soothe your weary mind and body, and lift your spirits. You can watch and play with the beautiful fish—feed them, tease them, ripple the water to stir them up, and interact with them in various ways. Admire a variety of flowers and foliage. Use the diverse range of decorative elements—not just for show, but for interactive fun: click and drag to place shapes, and choose between flowing or static special effects. Play with the water; experience incredibly realistic splashes and perfect 3D effects that showcase the true nature of water. Switch between various built-in sound effects (including domestic pets, wildlife, birds, whales, insects, frogs, nature sounds, ambient mixes, flowing water, weather sounds, artificial noises, and more—with a rich and growing library). You can also play your own favorite music. Change the background or use your own photos and images to customize the pond's setting. Mix and match elements—flowers, leaves, feathers, and more—with built-in or custom backgrounds and sounds to create your own unique lotus pond scene. Combine koi with nature sounds and music. Play nature sounds or music individually, or mix them together for a harmonious blend. Enjoy the dual pleasure of listening to music while watching and playing with the beautiful fish. It brings joy and relaxation during your downtime, aiding in rest, sleep, exercise, quiet reflection, meditation, or even a quick, soothing break at work. It is also perfect for children; they can play in this beautiful pond while learning about various adorable animals—let these cute creatures grow alongside your little ones! The animal family keeps growing, as they love your little ones too. Stunningly beautiful, realistic, and fun for all ages—easy to pick up and play instantly, with no complex setup required. Make your setup truly unique—a real head-turner that will be the envy of everyone around you. You can even take screenshots and record videos to show off your luxurious koi pond on social media, displaying just how well you’ve raised these beautiful, chubby, and adorable fish! They’re delightful to look at and fun to play with—but remember, they aren't for eating! Made up your mind? Great! Then don't wait— Download it now and dive in! Come and explore the beautiful, realistic world created just for you! Feel free to contact us anytime if you need anything. Wishing you lots of joy! Contact email: puke365@163.com.

Screenshots

Mechanical Clock 3D4 screens
Pond Koi4 screens

Verdict

The call

The clearest difference is rating: Mechanical Clock 3D at 4.8 against Pond Koi's 3.1. Mechanical Clock 3D also leads on review sentiment (69% vs 31%) and ratings volume (259 vs 16). Pond Koi's advantage is update cadence (every 2 months vs every 37 months) and chart position (#198 vs unranked). On ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Mechanical Clock 3D costs $0.99 and Pond Koi $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mechanical Clock 3D holds the better App Store score, 4.8 against 3.1. That said, the two scores are not equally well evidenced: Mechanical Clock 3D has 259 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 69% of Mechanical Clock 3D's written reviews are positive against 31% of Pond Koi's.

UpkeepUpdate frequency

Mechanical Clock 3D ships an update every 37 months, Pond Koi every 2 months. The most recent releases landed on October 12, 2026 and October 8, 2026 respectively.

Scorecard8 real differences · 3 level
Mechanical Clock 3D versus Pond Koi: the parameters behind the verdict, then further details
ParameterMechanical Clock 3DPond Koi
Price$0.99 — better$2.99
Rating4.8 (259 ratings) — better3.1 (16 ratings)
Positive reviews69.1% of reviews — better30.8% of reviews
Number of ratings259 — better16
Update frequencyEvery 37 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#198 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Apple TV — better
Requires iOS8.0 — better12.0
Further details — not scored
Size26 MB228 MB
Age rating4+4+
DeveloperIgor Panichev荣辉 张

Customer experience

Mechanical Clock 3D

All ratings259 ratings
Positive96.1%
Neutral1.2%
Negative2.7%
Written reviews81 reviews
Positive69.1%
Neutral11.1%
Negative19.8%

Pond Koi

All ratings16 ratings
Positive43.8%
Neutral12.5%
Negative43.8%
Written reviews13 reviews
Positive30.8%
Neutral15.4%
Negative53.8%

Bugs and requests

Mechanical Clock 3D

Reported bugs

8 issues
  • Settings collapsing
  • App crashes constantly on iPhone 4s
  • App freezes on startup
  • App stays black on iPhone 5
  • Does not chime when not on screen
Show 3 more
  • Does not fit iPhone screen
  • Last update 2011
  • Periodically freezes on startup

Requested features

15 requests
  • Add Apple Watch support
  • Add tourbillon function
  • Allow background sound playback
  • Add alarm feature
  • Make hands more visible (glow, contrast, closed face)
Show 10 more
  • Add option to see mechanical workings in 3D
  • Add hand color and style options
  • Add option to remove face framework
  • Port other 3Planesoft clocks (Steampunk, Lagoon, etc.)
  • Add screen saver functionality
  • Add steam punk battery level for lock screen
  • Add chime sound to alarm
  • Add alternate face design without face framework
  • Add option to adjust clock size
  • Add gold or silver color options

Pond Koi

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mechanical Clock 3D

No in-app purchases

None

Pond Koi

No in-app purchases

Questions

Is Mechanical Clock 3D free?
Mechanical Clock 3D costs $0.99, with no in-app purchases.
Is Pond Koi free?
Pond Koi costs $2.99, with no in-app purchases.
Which has better reviews, Mechanical Clock 3D or Pond Koi?
Mechanical Clock 3D is rated higher. Mechanical Clock 3D averages 4.8 out of 5 from 259 ratings, while Pond Koi averages 3.1 from 16 ratings.
Do Mechanical Clock 3D or Pond Koi have ads?
Neither Mechanical Clock 3D nor Pond Koi shows ads.
Which is updated more often, Mechanical Clock 3D or Pond Koi?
Mechanical Clock 3D ships an update every 37 months, and Pond Koi every 2 months. Most recently, Mechanical Clock 3D was updated on October 12, 2026 and Pond Koi on October 8, 2026.

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