EDA PLAY vs Pond Koi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EDA PLAY
This app aids in training children's vision and fine motor skills through interactive tasks. It offers customizable levels and features designed to support children with special needs, developed with low vision specialists.
- Customizable task and visual levels
- Progress tracking for parents/therapists
- Child-safe design to prevent accidental exits
- White frame to demarcate work surface
- Spoken instructions for tasks
- Simulator of visual disorders
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The EDA PLAY app helps train children's vision and fine motor skills. The options for different image set-ups and task levels enable children with special needs to work with this app. The app was developed in cooperation with low vision specialists and experts in the field of early intervention and care for children with special needs. The app is designed to stimulate the child to watch the action on the tablet display and to complete the tasks in an interactive way. The visual and audio treatment of the app supports the eye-hand coordination. KEY FEATURES - 4 TASK LEVELS and 4 VISUAL LEVELS The app can be customized depending on the child’s individual skills. The visual levels are manifested through the types of illustrations viewed (V1 – V4). The task levels are marked G1 – G4. - SKILLS SECTION The Skills section records the child's progress within the app. Thus, the parents and therapists can monitor the development of the child’s skills over time. - The possibility of the child accidentally switching off the app is prevented. There are sections that can be controlled by the parents (Main menu, Settings, Task overview or Skills section) which are concealed under the buttons located in the corner of the game screen; to enter the menu, these buttons have to be held down for a few seconds. - The WHITE FRAME can be set to distinctively demarcate the work surface of the tablet display. - Upon viewing every task, we hear a spoken word (child’s voice) which explains the instructions in an understandable way. - Designed for children aged 1+ (the easiest level of tasks). - The SIMULATOR OF VISUAL DISORDERS enables adults to better understand how complicated the world is for children with visual disorders. The authorship of the EDA PLAY app belongs to the non-profit organization EDA cz, z. ú. and to the digital studio Sugar And Ketchup. The development of the app was supported by the Vodafone Czech Republic Foundation. The updated version of the app was supported by Dow. For more information go to www.edaplay.com - - Č E S K Y - - Aplikace EDA PLAY pomáhá dětem trénovat zrak a jemnou motoriku. Možnosti obrazového nastavení a zpracování úkolů umožňují, aby s aplikací pracovaly děti se speciálními potřebami. Aplikace je navržena tak, aby interaktivní hrou motivovala dítě ke sledování děje na displeji tabletu a k plnění úkolů. Vizuální i zvukové zpracování aplikace podporuje koordinaci ruky a oka, pohybu. Sekce Dovednosti zaznamenává práci dítěte s aplikací. Aplikace byla vyvinuta ve spolupráci s odbornicemi v oblasti zrakové stimulace a péče o děti se zrakovými a kombinovanými vadami. HLAVNÍ FUNKCE - 4 ÚROVNĚ OBTÍŽNOSTI ÚKOLŮ a 4 ÚROVNĚ ZRAKOVÉ NÁROČNOSTI: Kategorie úkolů lze nastavit dle zrakových dovedností dítěte a úrovně jeho jemné motoriky. Některé úkoly procvičují nejen koordinaci pohybu, ale i orientaci v barvách a další dovednosti. Úrovně zrakové náročnosti se projevují v typech zobrazených ilustrací (V1 – V4). Úrovně obtížnosti úkolu jsou označeny G1 – G4. - SEKCE DOVEDNOSTI zaznamenává práci dítěte s aplikací. Rodiče a terapeuti tak mohou sledovat vývoj dovedností dítěte v čase. - Nehrozí, že dítě bude z aplikace omylem odcházet nebo si ji nechtěně vypne. Sekce, které mají ovládat rodiče (Hlavní menu, Přehled úkolů, Nastavení), jsou skryty pod tlačítky umístěnými v rohu displeje; pro vstup do menu je nutné je několik vteřin podržet. - Lze nastavit BÍLÝ RÁMEČEK, který zvýrazní ohraničení pracovní plochy displeje tabletu. - Zvukovým průvodcem je dětský hlas, který srozumitelně popisuje zadání úkolu. - Pro děti od 1 roku (nejjednodušší kategorie úkolů) - SIMULÁTOR ZRAKOVÝCH VAD umožní dospělým lépe rozumět tomu, jak komplikovaný je svět dětí se zrakovými vadami. Autory aplikace EDA PLAY jsou nezisková organizace EDA cz, z. ú. a digitální studio Sugar and Ketchup, s.r.o. Vývoj aplikace podpořila Nadace Vodafone. Aktualizaci aplikace podpořila firma Dow. Více informací na www.edaplay.cz
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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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
Verdict
The clearest difference is rating: EDA PLAY at 3.7 against Pond Koi's 3.1. EDA PLAY also leads on review sentiment (67% vs 31%). Pond Koi's advantage is price ($2.99 vs $6.99) and chart position (#180 vs unranked). 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
EDA PLAY costs $6.99 and Pond Koi $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EDA PLAY holds the better App Store score, 3.7 against 3.1. That said, the two scores are not equally well evidenced: Pond Koi has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 67% of EDA PLAY's written reviews are positive against 31% of Pond Koi's.
EDA PLAY ships an update every 3 months, Pond Koi every 2 months. The most recent releases landed on September 9, 2026 and September 6, 2026 respectively.
| Parameter | EDA PLAY | Pond Koi |
|---|---|---|
| Price | $6.99 | $2.99 — better |
| Rating | 3.7 (3 ratings) — better | 3.1 (16 ratings) |
| Positive reviews | 66.7% of reviews — better | 30.8% of reviews |
| Number of ratings | 3 | 16 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #180 — better |
| Devices | iPad | iPhone, iPad, iPod, Mac, Apple TV — better |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 22 MB | 228 MB |
| Age rating | 4+ | 4+ |
| Developer | EDA cz, z. u. | 荣辉 张 |
Customer experience
EDA PLAY
Pond Koi
In-app purchases
EDA PLAY
No in-app purchases
Pond Koi
No in-app purchases









