Pond Koi vs EDA PLAY ELIS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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Pond Koi: A 100% Text-Free Interactive Zen Sandbox "Pond Koi" is a premium sensory cooldown designed to cure late-night work anxiety and daytime stress. Driven entirely by a minimalist, textless interface, there are no words, no messy menus, and zero intrusive ads—just a pure, immersive space for absolute mindfulness. Interactivity & Sensory Freedom: Tap for Flow: Tap or drag your finger to create ultra-realistic, haptic water ripples accompanied by crisp, high-fidelity nature sounds (ASMR). Nurture Your Koi: Feed and interact with beautifully animated koi fish as they gracefully glide across your screen. Curate Your Sanctuary: Custom-design your personal zen oasis by freely placing green leaf, petal, feather, and floating blossoms. Message from the Creator: Hi, I’m an independent solo developer. I spent months coding "Pond Koi" to create a safe, peaceful refuge from my own chronic anxiety. Because it requires absolutely no reading, it is fully accessible and friendly for everyone—from toddlers to seniors. Published transparently under my real name, this project is my labor of love. If you enjoy this tiny pocket of peace, please consider leaving a review. It means the world to a solo creator.
EDA PLAY ELIS
This app offers engaging activities designed to train vision and fine motor skills for children with visual and multiple disorders, including CVI. Simple touch interactions reveal surprises behind doors, and interactive elements like comforting a character help maintain motivation. It features bold colors, simple scenes, and audio guidance to support learning.
- Vision and fine motor skill training
- Surprise elements behind doors
- Interactive character comfort
- Bold colors and simple scenes
- Audio guide for tasks
- Skills tracking section
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For the training of vision and fine motor skills; developed for children with visual and multiple disorders. Tailor-made for children with central visual impairment (CVI). Let's find out what’s hiding behind the door! It is so simple that even children with limited fine motor skills can control the game. K E Y F E A T U R E S A SURPRISE BEHIND THE DOOR, A SIMPLE TOUCH ON A SCREEN - Touch and find out what's hiding behind the door! - Let's explore tasks with animals, grandpa, baking a cake or doing a laundry! - A repeated moment of surprise drives the motivation to follow the plot. MEET A GIRL CALLED ELLIE - Ellie is sad. Stroke Ellie to make her happy! BOLD COLORS, SIMPLE SCENES - Bright colors, simple pictures - Images rendered against a black background ATTRACTIVE SOUND DESIGN AND ANIMATIONS - Interesting sound and animations capture the visual attention. WHITE FRAME can be set to distinctively demarcate the work surface of the tablet display. AUDIO GUIDE Upon viewing every task, we hear a spoken word (child’s voice) which explains the brief in an understandable way. The SKILLS SECTION records the work of the child with the application. The app was developed in cooperation with specialists in the field of vision stimulation and caring for children with special needs. The authorship of the EDA PLAY ELIS app belongs to the non-profit organization EDA cz, z.ú. and to the digital studio Sugar And Ketchup. The project is carried out with the support of the Leontinka Foundation, the Čtení pomáhá (Reading Helps) project and Dow. For more information go to www.edaplay.com - - Č E S K Y - - EDA PLAY ELIS Pro trénink zraku a jemné motoriky; hra je vyvinuta pro děti se zrakovými a kombinovanými vadami, připravena na míru dětem s centrálním postižením zraku (CVI). Jednoduchá, ale vizuálně zajímavá hra: Objev, co se skrývá za dveřmi! Tak jednoduché, že i děti s omezenými dovednostmi jemné motoriky mohou ovládat hru. H L A V N Í F U N K C E PŘEKVAPENÍ ZA DVEŘMI, JEDNODUCHÝ DOTYK NA OBRAZOVKU - Dotkni se a zjisti, co se skrývá za dveřmi! - Objevte úkoly se zvířaty, dědou, upečte dort a pomozte s praním prádla. - Opakovaný moment překvapení - Co se tentokrát skrývá za dveřmi? - pomáhá motivovat děti ke sledování děje na obrazovce. VE HŘE SE SEZNÁMÍTE S HOLČIČKOU ELIŠKOU - Eliška je smutná. Pohlaď Elišku! - Eliška má narozeniny. Upečeme dort! STŘÍDMÉ, ALE VIZUÁLNĚ ATRAKTIVNÍ SCÉNY - Výrazné barvy, jednoduché obrázky - Kontrastní pozadí ZAJÍMAVÉ ZVUKY A ANIMACE - Zajímavý zvuk, který doprovází otevření dveří, pomáhá upoutat zrakovou pozornost Lze nastavit BÍLÝ RÁMEČEK, který zvýrazní ohraničení pracovní plochy displeje tabletu. ZVUKOVÝ PRŮVODCE je dětský hlas, který srozumitelně popisuje zadání úkolu. Sekce DOVEDNOSTI zaznamenává práci dítěte s aplikací. Aplikace byla vyvinuta ve spolupráci se specialisty v oblasti zrakové stimulace a péče o děti se zrakovými vadami. Autory aplikace EDA PLAY ELIS sou nezisková organizace EDA cz, z.ú. a digitální studio Sugar And Ketchup. Děkujeme Nadaci Leontinka, projektu Čtení pomáhá a firmě DOW, kteří podpořili vývoj aplikace. Více informací na www.edaplay.cz
Screenshots
Verdict
The clearest difference is review sentiment: EDA PLAY ELIS at 100% against Pond Koi's 31%. EDA PLAY ELIS also leads on rating (5.0 vs 3.1) and iOS requirement (6.0 vs 15.0). Pond Koi's advantage is price ($2.99 vs $6.99) and ratings volume (16 vs 1). On update cadence, 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
Pond Koi costs $2.99 and EDA PLAY ELIS $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EDA PLAY ELIS holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Pond Koi has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 31% of Pond Koi's written reviews are positive against 100% of EDA PLAY ELIS's.
Pond Koi ships an update every 2 months, EDA PLAY ELIS every 3 months. The most recent releases landed on November 11, 2026 and November 2, 2026 respectively.
| Parameter | Pond Koi | EDA PLAY ELIS |
|---|---|---|
| Price | $2.99 — better | $6.99 |
| Rating | 3.1 (16 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 30.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 16 — better | 1 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod, Mac, Apple TV — better | iPad |
| Requires iOS | 15.0 | 6.0 — better |
| Further details — not scored | ||
| Size | 228 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | 荣辉 张 | EDA cz, z. u. |
Customer experience
Pond Koi
EDA PLAY ELIS
In-app purchases
Pond Koi
No in-app purchases
EDA PLAY ELIS
No in-app purchases
Questions
Is Pond Koi free?
Is EDA PLAY ELIS free?
Which has better reviews, Pond Koi or EDA PLAY ELIS?
Do Pond Koi or EDA PLAY ELIS have ads?
Which is updated more often, Pond Koi or EDA PLAY ELIS?
Other comparisons
