# Protozoan Identification vs Mole OTG

The clearest difference is ads: Protozoan Identification at none against Mole OTG's shown. Mole OTG's advantage is update cadence (daily vs every 15 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Protozoan Identification ships an update every 15 months, Mole OTG daily. The most recent releases landed on November 6, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Protozoan Identification | Mole OTG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/protozoan-identification/id506715288/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Daily** |
| Monetization | Free | — |
| Size | 221 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carolina Biological Supply](https://appshunter.io/developer/413708533) | [Japality Limited](https://appshunter.io/developer/1574046707) |

## What reviewers say

### Protozoan Identification

[App page](https://appshunter.io/ios/app/protozoan-identification/id506715288)

Explore a collection of protozoan images and videos. Features an interactive key, labeling activities, and practice exercises to aid in identification and study.

**Highlights:** Interactive dichotomous key, Labeling activities, Protozoan images and videos, Practice exercises, Study aids

**Features:** macOS Compatibility

**In-app purchases:** none


### Mole OTG

[App page](https://appshunter.io/ios/app/mole-otg/id6749512146)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Protozoan Identification free?

Protozoan Identification is free to download, with no in-app purchases.

### Is Mole OTG free?

Mole OTG is free to download, with no in-app purchases.

### Do Protozoan Identification or Mole OTG have ads?

Mole OTG shows ads; Protozoan Identification does not.

### Which is updated more often, Protozoan Identification or Mole OTG?

Protozoan Identification ships an update every 15 months, and Mole OTG daily. Most recently, Protozoan Identification was updated on November 6, 2026 and Mole OTG on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*