# SIGMO vs HOTs.

The clearest difference is price: HOTs. at Free against SIGMO's $1.99. HOTs. also leads on update cadence (every 5 days vs every 5 weeks). SIGMO's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 18.6). On ads and device support there is nothing between them.

HOTs. is free to download; SIGMO costs $1.99 up front. HOTs. sells 1 in-app purchase, starting at $9.99 per year. SIGMO asks for nothing beyond the download.

SIGMO ships an update every 5 weeks, HOTs. every 5 days. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SIGMO | HOTs. |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 74 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manuel Javorik](https://appshunter.io/developer/1021365313) | [Lagary Systems, Inc](https://appshunter.io/developer/1705480493) |

## What reviewers say

### SIGMO

[App page](https://appshunter.io/ios/app/sigmo/id1021365314)

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

**In-app purchases:** none


### HOTs.

[App page](https://appshunter.io/ios/app/hots/id6477919986)

This aviation tool provides pilots with critical operational data and real-time hazard monitoring. Visualize global weather and turbulence reports on an interactive 3D globe for enhanced situational awareness.

**Highlights:** Real-time hazard monitoring, Interactive 3D globe visualization, SIGMETs, PIREPs, AIREPs, Turbulence reports, High-level hazard overlays, Pilot-focused interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HOTs Full Access | $9.99 | per year |


## Frequently asked questions

### Is SIGMO free?

SIGMO costs $1.99, with no in-app purchases.

### Is HOTs. free?

HOTs. is free to download, with in-app purchases available.

### Do SIGMO or HOTs. have ads?

Neither SIGMO nor HOTs. shows ads.

### Which is updated more often, SIGMO or HOTs.?

SIGMO ships an update every 5 weeks, and HOTs. every 5 days. Most recently, SIGMO was updated on November 1, 2026 and HOTs. on November 4, 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.*