BioChemAR vs LLTrainer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BioChemAR
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Use BiochemAR to explore the 3-dimensional structures of biological molecules in the real world! All you need to do is point your camera at the QR codes associated with the BiochemAR. In order to use the module: 1) Download and install BiochemAR onto either your mobile or tablet device. 2) Download and print the QR code and instructions. (https://apps.carleton.edu/people/rsung/assets/BiochemAR_KscA_channel_QR_code_instructions.pdf) If you would like to customize the size of the QR code, here is the QR code image file (PNG). (https://apps.carleton.edu/people/rsung/assets/KscA_channel_QR_code_image.png) 3) Start up the app and point your device camera at the QR code to quickly load up two different representations of the KscA channel!
LLTrainer
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LLTrainer is a focused training app for mastering the last layer (OLL & PLL) of the 3×3 cube. Learn all 57 OLLs and 21 PLLs with smooth animations and a clean, intuitive interface. 【Features】 • Complete coverage of all OLL (57) and PLL (21) cases • Practice with reverse-generated scrambles for realistic training • Customize algorithm names to match your preference • Add and manage your own algorithms for personalized learning 【Important Notes】 • Level 1 is free for both OLL and PLL • Levels 2–5 can be unlocked via in-app purchase • All data is stored locally on your device and never shared externally 【Terms of Use】 This app uses Apple’s Standard End User License Agreement (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 【Requirements】 • iOS 26.2 or later
Screenshots
Verdict
The clearest difference is in-app purchases: BioChemAR at none against LLTrainer's 1. BioChemAR also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (18.0 vs 26.2). On price, ads 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. LLTrainer sells 1 one-off in-app purchase. BioChemAR asks for nothing beyond the download.
BioChemAR ships an update fortnightly, LLTrainer every 3 months. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.
| Parameter | BioChemAR | LLTrainer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 232 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Carleton College | Tatsuya Yamaguchi |
In-app purchases
BioChemAR
No in-app purchases
LLTrainer
- Premium Full Access$3.99









