Light Up the Cave vs Language Zoo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Light Up the Cave
Explore different light sources within a simulated dark cave environment. This educational tool is designed to align with grade 1 physical science curriculum, focusing on how we can illuminate our surroundings.
- Cave light source simulation
- Grade 1 physical science alignment
- Interactive learning tool
- Exploration of illumination methods
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This simulation allows users to test various light sources in a dark cave. This resource is aligned with the Smithsonian Science for the Classroom grade 1 physical science module, "How Can We Light Our Way in the Dark?"
Language Zoo
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This app helps beginner Spanish students to practice their vocabulary words. You can practice going from English to Spanish or Spanish to English. Current word categories are: adjectives, animals, body parts, clothes, color, dates, fruit, locations, and school. The Spanish database will be expanded in future updates. (optional setting to move to English->Mandarin or Japanese->Mandarin with vocabulary words from Dr. Hong Zhan) ---------------------------- No advertisement and no in app purchases are in this app. This game was developed by a mom who wanted to make sure her child had educational options when playing online. ---------------------------- Other apps by this developer: Protect Tower Defense Math Tower Defense Math Town Spelling Ace Spy Town Escape the Teleportation Maze Eagle Mandarin Mandarin Prof J-Trainer ARAir ---------------------------- I hope you enjoy this app. Feel free to send me feedback if you have suggestions for future updates.
Screenshots
Verdict
The clearest difference is update cadence: Language Zoo at every 2 weeks against Light Up the Cave's every 35 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Light Up the Cave ships an update every 35 months, Language Zoo every 2 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.
| Parameter | Light Up the Cave | Language Zoo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 35 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 42 MB | 224 MB |
| Age rating | 4+ | 4+ |
| Developer | Smithsonian Institution | Heather Marriott |
In-app purchases
Light Up the Cave
No in-app purchases
Language Zoo
No in-app purchases
Questions
Is Light Up the Cave free?
Is Language Zoo free?
Do Light Up the Cave or Language Zoo have ads?
Which is updated more often, Light Up the Cave or Language Zoo?
Other comparisons
