Little Bugs vs LUMEN
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Little Bugs
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Learn to be a scientist with this easy to use fieldwork app! Develop your curiosity and research skills while you explore the natural world. Designed for preliterate kids using voice recognition and older kids too. Offline use only. All data stays on your device.
LUMEN
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Meet LUMEN β LUMEN is a modern research companion designed to bring clarity and structure to peptide research. Built with simplicity in mind, LUMEN helps you organize, track, and manage your research data in one clean, intuitive space. Whether youβre documenting protocols or keeping track of progress, LUMEN provides a streamlined way to stay consistent and organized. What you can do with LUMEN: - Track research data in a structured format - Organize protocols and notes in one place - Simplify your workflow with a clean, minimal interface - Stay consistent with your research tracking - Reduce scattered notes and improve clarity Designed for clarity. Built for consistency. LUMEN was created to support a more organized approach to research by removing the friction of scattered information and replacing it with a simple, focused system. Important Note: LUMEN is intended for research organization and informational purposes only.
Screenshots
Verdict
The clearest difference is update cadence: LUMEN at monthly against Little Bugs's every 4 months. LUMEN also leads on iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Little Bugs ships an update every 4 months, LUMEN monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Little Bugs | LUMEN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Monthly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 1 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Graphite Design Labs Inc. | Savannah Kaufman |
In-app purchases
Little Bugs
No in-app purchases
LUMEN
No in-app purchases








