# HemocyTap vs Eiro Engage

The clearest difference is price: Eiro Engage at Free against HemocyTap's $1.99. Eiro Engage also leads on rating (5.0 vs 4.5) and update cadence (every 3 days vs every 2 months). HemocyTap's advantage is ratings volume (28 vs 3) and iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Eiro Engage is free to download; HemocyTap costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Eiro Engage holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: HemocyTap has 28 ratings behind it against 3, so its average is the more settled of the two.

HemocyTap ships an update every 2 months, Eiro Engage every 3 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | HemocyTap | Eiro Engage |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.5 (28 ratings)](https://appshunter.io/ios/app/hemocytap/id617767138/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/eiro-engage/id6758958100/reviews)** |
| Number of ratings | **28** | 3 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 22 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Raul Garcia](https://appshunter.io/developer/617767141) | [Eiro Inc](https://appshunter.io/developer/1875981581) |

## What reviewers say

### HemocyTap

[App page](https://appshunter.io/ios/app/hemocytap/id617767138)

This application assists in counting cells using a hemocytometer. It calculates cell density, viability, and culture volume, with options to save and export data. Users can track cell evolution over time with visual plots.

**Highlights:** Live and dead cell counting with tally counters, Automatic calculation of cell density and viability, New culture volume calculation, Data export via email in CSV format, Plotting cell evolution over time, Timer for lab tasks

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

**In-app purchases:** none


### Eiro Engage

[App page](https://appshunter.io/ios/app/eiro-engage/id6758958100)

This app compensates adults undergoing depression treatment for completing health tasks. Your participation helps build predictive tools to improve psychiatric care, offering financial rewards for daily check-ins and assessments.

**Highlights:** Daily symptom check-ins, Clinically validated assessments, Cognitive tasks, Treatment logs, Financial compensation, Data privacy features

**In-app purchases:** none


## Frequently asked questions

### Is HemocyTap free?

HemocyTap costs $1.99, with no in-app purchases.

### Is Eiro Engage free?

Eiro Engage is free to download, with no in-app purchases.

### Which has better reviews, HemocyTap or Eiro Engage?

Eiro Engage is rated higher. HemocyTap averages 4.5 out of 5 from 28 ratings, while Eiro Engage averages 5.0 from 3 ratings.

### Do HemocyTap or Eiro Engage have ads?

Neither HemocyTap nor Eiro Engage shows ads.

### Which is updated more often, HemocyTap or Eiro Engage?

HemocyTap ships an update every 2 months, and Eiro Engage every 3 days. Most recently, HemocyTap was updated on October 4, 2026 and Eiro Engage on October 14, 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.*