# 509 vs Kuma Heat

The clearest difference is ads: Kuma Heat at none against 509's shown. Kuma Heat also leads on iOS requirement (11.0 vs 13.0). 509's advantage is update cadence (every 3 months vs every 6 months). On price, 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.

509 ships an update every 3 months, Kuma Heat every 6 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 509 | Kuma Heat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (47 ratings)](https://appshunter.io/ios/app/509/id1592726706/reviews)** | — |
| Number of ratings | **47** | — |
| Positive reviews | 21.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 26 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teton Outfitters LLC](https://appshunter.io/developer/1478614281) | [Kuma Outdoor Gear Ltd](https://appshunter.io/developer/1650619315) |

## What reviewers say

### 509

[App page](https://appshunter.io/ios/app/509/id1592726706)

Control and customize heated goggles for optimal vision in any weather. Access an online store, watch snowmobile films, and receive product updates. Stay fog-free and prepared for winter adventures.

**Highlights:** Wireless heat profile customization, Auto and manual anti-fog modes, Online store access, Latest product release updates, Watch snowmobile films, Customer service access

**Features:** macOS Compatibility

**In-app purchases:** none


### Kuma Heat

[App page](https://appshunter.io/ios/app/kuma-heat/id6443922480)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 509 free?

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

### Is Kuma Heat free?

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

### Do 509 or Kuma Heat have ads?

509 shows ads; Kuma Heat does not.

### Which is updated more often, 509 or Kuma Heat?

509 ships an update every 3 months, and Kuma Heat every 6 months. Most recently, 509 was updated on October 24, 2026 and Kuma Heat on October 27, 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.*