# Bluematic vs HEATSAIL

The clearest difference is update cadence: Bluematic at fortnightly against HEATSAIL's every 5 months. HEATSAIL's advantage is iOS requirement (13.0 vs 17.0). 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.

Bluematic ships an update fortnightly, HEATSAIL every 5 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | Bluematic | HEATSAIL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 107 MB | 10 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Blue drops](https://appshunter.io/developer/1682044564) | [HEATSAIL NV](https://appshunter.io/developer/1680715695) |

## What reviewers say

### Bluematic

[App page](https://appshunter.io/ios/app/bluematic/id6447632432)

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

**In-app purchases:** none


### HEATSAIL

[App page](https://appshunter.io/ios/app/heatsail/id6450167356)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bluematic free?

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

### Is HEATSAIL free?

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

### Do Bluematic or HEATSAIL have ads?

Neither Bluematic nor HEATSAIL shows ads.

### Which is updated more often, Bluematic or HEATSAIL?

Bluematic ships an update fortnightly, and HEATSAIL every 5 months. Most recently, Bluematic was updated on October 6, 2026 and HEATSAIL on October 6, 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.*