# HistoGrams⁺ vs Human Cells..

The clearest difference is in-app purchases: HistoGrams⁺ at none against Human Cells..'s 2. HistoGrams⁺ also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). Human Cells..'s advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Human Cells.. sells 2 in-app purchases, starting at $1.99 per month. HistoGrams⁺ asks for nothing beyond the download.

HistoGrams⁺ ships an update every 2 months, Human Cells.. weekly. The most recent releases landed on October 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | HistoGrams⁺ | Human Cells.. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/histograms/id6477970674/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 28 MB | 174 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Viren Kariya](https://appshunter.io/developer/1731249462) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### HistoGrams⁺

[App page](https://appshunter.io/ios/app/histograms/id6477970674)

This app offers a quick reference and revision guide for students, covering histology, physiology, biochemistry, and pathology. It features comprehensive notes and hand-drawn diagrams to simplify complex topics and prepare for exams.

**Highlights:** Histology revision notes, Hand-drawn diagrams, Neuroanatomy demos, Physiology practical details, Video links for concepts, Regular updates

**In-app purchases:** none


### Human Cells..

[App page](https://appshunter.io/ios/app/human-cells/id6749825867)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $1.99 | per month |
| sponsorship | $1.99 | one-time |


## Frequently asked questions

### Is HistoGrams⁺ free?

HistoGrams⁺ is free to download, with no in-app purchases.

### Is Human Cells.. free?

Human Cells.. is free to download, with in-app purchases available.

### Do HistoGrams⁺ or Human Cells.. have ads?

Human Cells.. shows ads; HistoGrams⁺ does not.

### Which is updated more often, HistoGrams⁺ or Human Cells..?

HistoGrams⁺ ships an update every 2 months, and Human Cells.. weekly. Most recently, HistoGrams⁺ was updated on October 9, 2026 and Human Cells.. on September 28, 2026.

---

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