# One Million Degrees vs Collars

The clearest difference is update cadence: Collars at every 2 weeks against One Million Degrees's every 2 months. Collars also leads on iOS requirement (16.4 vs 18.0). 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.

One Million Degrees ships an update every 2 months, Collars every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | One Million Degrees | Collars |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 117 MB | 73 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [One Million Degrees](https://appshunter.io/developer/1605236329) | [Collars Inc.](https://appshunter.io/developer/1779244812) |

## What reviewers say

### One Million Degrees

[App page](https://appshunter.io/ios/app/one-million-degrees/id1605236327)

**Features:** Vision Pro support

**In-app purchases:** none


### Collars

[App page](https://appshunter.io/ios/app/collars/id6738082052)

This app connects skilled tradespeople with employers in construction, manufacturing, transportation, and agriculture. Applicants can showcase their work with photos and videos, while employers can find candidates based on specific preferences like wage and location.

**Highlights:** Build detailed applicant profiles, Upload photos and videos of work, Set wage and distance preferences, Direct in-app messaging, Create company profiles, Discover matching applicants

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is One Million Degrees free?

One Million Degrees is free to download, with no in-app purchases.

### Is Collars free?

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

### Do One Million Degrees or Collars have ads?

Neither One Million Degrees nor Collars shows ads.

### Which is updated more often, One Million Degrees or Collars?

One Million Degrees ships an update every 2 months, and Collars every 2 weeks. Most recently, One Million Degrees was updated on November 3, 2026 and Collars on October 30, 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.*