# iSperm Equine 5 vs TB Stacker

The clearest difference is device support: TB Stacker at 3 against iSperm Equine 5's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

iSperm Equine 5 ships an update every 6 weeks, TB Stacker every 3 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iSperm Equine 5 | TB Stacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/isperm-equine-5/id1190861567/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aidmics Biotechnology Co., Ltd](https://appshunter.io/developer/1119461359) | [zak goichman](https://appshunter.io/developer/1873030457) |

## What reviewers say

### iSperm Equine 5

[App page](https://appshunter.io/ios/app/isperm-equine-5/id1190861567)

This mobile application provides a portable and professional semen analysis solution for various animal species. It offers rapid screening in the field or lab, with detailed insights into sperm concentration, motility, and kinetics within one minute. Visualize sperm movements and generate numeric data for fertility assessment and trend monitoring.

**Highlights:** Semen concentration analysis, Total and progressive motility readings, Sperm kinetics calculation, Visual sperm movement tracking, Numeric data generation, Portable briefcase design, Rapid analysis within 1 minute

**Features:** macOS Compatibility

**In-app purchases:** none


### TB Stacker

[App page](https://appshunter.io/ios/app/tb-stacker/id6758459185)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSperm Equine 5 free?

iSperm Equine 5 is free to download, with no in-app purchases.

### Is TB Stacker free?

TB Stacker is free to download, with no in-app purchases.

### Do iSperm Equine 5 or TB Stacker have ads?

Neither iSperm Equine 5 nor TB Stacker shows ads.

### Which is updated more often, iSperm Equine 5 or TB Stacker?

iSperm Equine 5 ships an update every 6 weeks, and TB Stacker every 3 weeks. Most recently, iSperm Equine 5 was updated on October 1, 2026 and TB Stacker 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.*