# HEATSAIL vs Dobiss

The clearest difference is update cadence: HEATSAIL at every 5 months against Dobiss's every 33 months. HEATSAIL also leads on iOS requirement (13.0 vs 15.0). 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.

HEATSAIL ships an update every 5 months, Dobiss every 33 months. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HEATSAIL | Dobiss |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 33 months |
| Size | 10 MB | 23 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HEATSAIL NV](https://appshunter.io/developer/1680715695) | [Dobiss BVBA](https://appshunter.io/developer/727651192) |

## What reviewers say

### HEATSAIL

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Dobiss

[App page](https://appshunter.io/ios/app/dobiss/id6475583287)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HEATSAIL free?

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

### Is Dobiss free?

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

### Do HEATSAIL or Dobiss have ads?

Neither HEATSAIL nor Dobiss shows ads.

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

HEATSAIL ships an update every 5 months, and Dobiss every 33 months. Most recently, HEATSAIL was updated on October 6, 2026 and Dobiss on October 24, 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.*