What do … eat? vs Hangul Sound Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
What do … eat?
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Every kid asks it sooner or later: "What does a lion eat? What does a whale eat? What does Grandma eat?" "What do … eat?" turns that question into a game. Your child types the name of an animal — or just says it out loud — and instantly sees a friendly picture list of everything it eats, with every answer read aloud in a warm, kid-friendly voice. Foods that are animals themselves are tappable, so kids can hop straight from lion to zebra to grass, following the food chain one curious tap at a time. Every animal they look up joins their own growing collection in the Gallery. WHAT'S INSIDE • Dozens of built-in animals with carefully curated, simplified diets and friendly flat-vector illustrations • Voice input and read-aloud, made for kids who can't type or read yet • Tap any food that's also an animal to keep exploring the food chain • A Discovery Gallery that collects every animal your child looks up • Ask about family members too — "What does Grandma eat?" always gets a playful answer • On-device AI fills in animals outside the built-in set, always clearly marked as AI-generated (needs an Apple Intelligence-capable device — the built-in animals work on every device) MADE BY PARENTS, FOR PARENTS "What do … eat?" is a family project — built by a mom-and-dad team and play-tested by our own son. Here's what that means for yours: • Completely free — no ads, no in-app purchases, no subscriptions • Collects no data at all and works fully offline, right on your child's device • A parental gate (a quick multiplication task) keeps little fingers out of Settings • Carefully curated facts, simplified for young learners — a fun start for curiosity, not a scientific reference • AI answers are always clearly labeled and may occasionally be a little silly or imprecise "What do … eat?" turns every car ride, zoo visit, and walk into a little food-chain adventure. Questions or feedback? We'd love to hear from you: whatdoeat.app/support
Hangul Sound Lab
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Hangul Sound Lab helps you understand Hangul structure and Korean sound changes through hands-on building and listening. BUILD HANGUL Choose an initial, medial, and optional final consonant (batchim). The syllable is composed instantly using the official Unicode Hangul formula. COMPARE SPELLING AND SOUND See examples such as 국물 → 궁물 and 같이 → 가치. Tap each card to hear Korean speech. FIVE SOUND-CHANGE TYPES Learn nasalization, liquid assimilation, aspiration, palatalization, and tensification with words, realized sounds, meanings, and audio. LEARNING RECORD Completed Hangul builds are stored on your device. STRUCTURED COURSE Study 500 original questions across 100 levels, with listening, pronunciation, review, history, statistics, achievements, ranking, and multiple learner profiles. The interface supports Japanese, English, Simplified Chinese, Korean, Spanish, French, and German. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://hashisoft.jp/koreanland/privacy/
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Verdict
The clearest difference is in-app purchases: What do … eat? at none against Hangul Sound Lab's 1. What do … eat? also leads on ads (none vs shown). On price, device support and iOS requirement 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. Hangul Sound Lab sells 1 one-off in-app purchase. What do … eat? asks for nothing beyond the download.
| Parameter | What do … eat? | Hangul Sound Lab |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcel Hoppe | hashisoft |
In-app purchases
What do … eat?
No in-app purchases
Hangul Sound Lab
- Remove Ads$2.99









