# TETRA Mobile vs Whale Tools

The clearest difference is ads: TETRA Mobile at none against Whale Tools's shown. TETRA Mobile also leads on update cadence (every 2 months vs every 7 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.

TETRA Mobile ships an update every 2 months, Whale Tools every 7 months. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | TETRA Mobile | Whale Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 7 months |
| Size | 64 MB | 50 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hexa Foundation](https://appshunter.io/developer/1509219448) | [Jun Kim](https://appshunter.io/developer/1867720879) |

## What reviewers say

### TETRA Mobile

[App page](https://appshunter.io/ios/app/tetra-mobile/id6453168712)

**Features:** macOS Compatibility

**In-app purchases:** none


### Whale Tools

[App page](https://appshunter.io/ios/app/whale-tools-trade-calc/id6758135030)

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

**In-app purchases:** none


## Frequently asked questions

### Is TETRA Mobile free?

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

### Is Whale Tools free?

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

### Do TETRA Mobile or Whale Tools have ads?

Whale Tools shows ads; TETRA Mobile does not.

### Which is updated more often, TETRA Mobile or Whale Tools?

TETRA Mobile ships an update every 2 months, and Whale Tools every 7 months. Most recently, TETRA Mobile was updated on October 27, 2026 and Whale Tools on October 29, 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.*