AlgalSex vs Protozoan Identification
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AlgalSex
Explore the life cycle of algae with this educational application. Designed for iPhone and iPod touch, it offers a visual learning experience for users interested in phycology.
- Observe algae life cycle
- Phycological education
- iPhone and iPod touch compatible
- Visual learning tool
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AlgalSex is a phycological app for the iPhone and iPod touch. You can observe the life cycle of algae.
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
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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.
Screenshots
Verdict
The clearest difference is review sentiment: AlgalSex at 100% against Protozoan Identification's 0%. AlgalSex also leads on rating (2.8 vs 2.0) and update cadence (every 6 weeks vs every 15 months). Protozoan Identification's advantage is iOS requirement (13.0 vs 15.4). On price, ads, in-app purchases and monetization model 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.
AlgalSex holds the better App Store score, 2.8 against 2.0. That said, the two scores are not equally well evidenced: AlgalSex has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of AlgalSex's written reviews are positive against 0% of Protozoan Identification's.
AlgalSex ships an update every 6 weeks, Protozoan Identification every 15 months. The most recent releases landed on July 13, 2026 and June 5, 2026 respectively.
| Parameter | AlgalSex | Protozoan Identification |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (10 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 182 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | TSUCHIKANE | Carolina Biological Supply |
Customer experience
AlgalSex
Protozoan Identification
In-app purchases
AlgalSex
No in-app purchases
Protozoan Identification
No in-app purchases
Questions
Is AlgalSex free?
Is Protozoan Identification free?
Which has better reviews, AlgalSex or Protozoan Identification?
Do AlgalSex or Protozoan Identification have ads?
Which is updated more often, AlgalSex or Protozoan Identification?
Other comparisons
