# tMAIL vs Human Heart

The clearest difference is update cadence: tMAIL at every 6 days against Human Heart's every 37 months. tMAIL also leads on iOS requirement (7.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

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

tMAIL ships an update every 6 days, Human Heart every 37 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | tMAIL | Human Heart |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 37 months |
| Monetization | — | Free |
| Size | 4 MB | 131 MB |
| Requires iOS | **7.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kidimedia](https://appshunter.io/developer/410393901) | [The Open University](https://appshunter.io/developer/336747246) |

## What reviewers say

### tMAIL

[App page](https://appshunter.io/ios/app/tmail/id1200794336)

**Features:** macOS Compatibility

**In-app purchases:** none


### Human Heart

[App page](https://appshunter.io/ios/app/human-heart/id6443917882)

Explore a 3D, anatomically accurate human heart with augmented reality. Learn about its structure, function, and the cardiac cycle through interactive exploration, detailed pins, and adjustable beating rates.

**Highlights:** 3D anatomical heart model, Augmented reality view, Cross-section exploration, Interactive pins with descriptions, Blood flow visualization, Adjustable beating rate

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

**In-app purchases:** none


## Frequently asked questions

### Is tMAIL free?

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

### Is Human Heart free?

Human Heart is free to download, with no in-app purchases.

### Do tMAIL or Human Heart have ads?

Neither tMAIL nor Human Heart shows ads.

### Which is updated more often, tMAIL or Human Heart?

tMAIL ships an update every 6 days, and Human Heart every 37 months. Most recently, tMAIL was updated on October 8, 2026 and Human Heart on October 9, 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.*