# SeaGreen. vs Subterra TLV

The clearest difference is ads: Subterra TLV at none against SeaGreen.'s shown. SeaGreen.'s advantage is update cadence (every 6 weeks vs every 4 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.

SeaGreen. ships an update every 6 weeks, Subterra TLV every 4 months. The most recent releases landed on September 18, 2026 and June 22, 2026 respectively.

## The numbers

| Metric | SeaGreen. | Subterra TLV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/seagreen/id1668005526/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 131 MB | 52 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Datasya](https://appshunter.io/developer/1604420252) | [Arbox LTD](https://appshunter.io/developer/1021244486) |

## What reviewers say

### SeaGreen.

[App page](https://appshunter.io/ios/app/seagreen/id1668005526)

Facilitates secure, HIPAA-compliant communication and collaboration among healthcare professionals, practice teams, patients, and families. Offers smart video calls, medical case documentation, and high-resolution image capture with annotation tools.

**Highlights:** HIPAA-compliant secure communication, Medical case discussions and documentation, Smart video calls with remote camera control, Ultra-high-resolution image and video capture, Image and video annotation, Biometric/code access, Masking of personal information

**Features:** macOS Compatibility

**In-app purchases:** none


### Subterra TLV

[App page](https://appshunter.io/ios/app/subterra-tlv/id6740745521)

**In-app purchases:** none


## Frequently asked questions

### Is SeaGreen. free?

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

### Is Subterra TLV free?

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

### Do SeaGreen. or Subterra TLV have ads?

SeaGreen. shows ads; Subterra TLV does not.

### Which is updated more often, SeaGreen. or Subterra TLV?

SeaGreen. ships an update every 6 weeks, and Subterra TLV every 4 months. Most recently, SeaGreen. was updated on September 18, 2026 and Subterra TLV on June 22, 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.*