Protozoan Identification vs Probiotics Guide.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protozoan Identification
Explore a collection of protozoan images and videos. Features an interactive key, labeling activities, and practice exercises to aid in identification and study.
- Interactive dichotomous key
- Labeling activities
- Protozoan images and videos
- Practice exercises
- Study aids
Read full descriptionHide full description
The Protozoan Identification app features Carolina images and videos. The app includes an interactive dichotomous key, 3 labeling activities for practice and study, 20 additional photos of unique protozoans, and 8 protozoan video clips. *The Lite version includes only one labeling activity, two video, and two photos.
Probiotics Guide.
Read full descriptionHide full description
Learn about probiotics, gut bacteria, and the microbiome. Probiotics Guide helps you explore probiotic bacteria, gut microbiome science, and the role of beneficial microbes in human health. Discover probiotic strains, understand digestive health, and learn how microorganisms influence the body. The app provides structured information designed for students, health learners, and anyone interested in probiotics and microbiome research. Probiotic Strains • Explore common probiotic bacteria • Learn about different probiotic strains • Understand how probiotics support the body • Discover the role of beneficial microbes Gut Health • Learn how probiotics support digestion • Understand the gut microbiome • Explore connections between gut health and overall wellness Health Benefits • Digestive health support • Immune system interactions • Skin and metabolic health connections • Microbiome balance and function Usage and Safety • General probiotic usage information • Possible side effects and sensitivities • Interactions with foods and supplements • Storage considerations for probiotic products Search and Discovery • Search probiotic strains quickly • Explore probiotics through organized categories • Find information about gut health topics Learning Tools • Educational facts about probiotics • Quiz mode to test microbiome knowledge • Structured content designed for easier learning Favorites • Save important probiotic strains • Quickly access frequently viewed topics Designed for Easy Learning • Clean and simple interface • Organized probiotic information • Easy navigation between topics Premium Features Upgrade for additional benefits: • Offline access to probiotic information • Ad-free experience • Improved reading convenience Privacy Focused • No unnecessary permissions • No personal data collection • Information remains on your device Who This App Is For • Health-conscious individuals • Nutrition students • Healthcare learners • Researchers interested in microbiome science • Anyone interested in probiotics and gut health Educational Disclaimer This app provides educational information only and does not offer medical advice. Always consult a qualified healthcare professional for health decisions. Probiotics Guide helps you explore probiotic strains, understand gut microbiome science, and learn about beneficial bacteria. Download Probiotics Guide to explore probiotics and gut health knowledge. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Protozoan Identification at none against Probiotics Guide.'s 2. Protozoan Identification also leads on ads (none vs shown). Probiotics Guide.'s advantage is update cadence (every 2 weeks vs every 15 months). 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. Probiotics Guide. sells 2 in-app purchases, starting at $1.99 per month. Protozoan Identification asks for nothing beyond the download.
Protozoan Identification ships an update every 15 months, Probiotics Guide. every 2 weeks. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.
| Parameter | Protozoan Identification | Probiotics Guide. |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 15 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 221 MB | 160 MB |
| Age rating | 4+ | 4+ |
| Developer | Carolina Biological Supply | Olga Ivanova |
In-app purchases
Protozoan Identification
No in-app purchases
Probiotics Guide.
- Subscription$1.991 Month
- Sponsorship$1.99
Questions
Is Protozoan Identification free?
Is Probiotics Guide. free?
Do Protozoan Identification or Probiotics Guide. have ads?
Which is updated more often, Protozoan Identification or Probiotics Guide.?
Other comparisons
