# TwoScales vs Hydrogen Weather

The clearest difference is ads: TwoScales at none against Hydrogen Weather's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. TwoScales sells 1 one-off in-app purchase and Hydrogen Weather sells 3 in-app purchases, starting at $0.39 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TwoScales | Hydrogen Weather |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/twoscales/id6743337334/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 30 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Cherry Pi Solutions LLC](https://appshunter.io/developer/1802116267) | [旭东 王](https://appshunter.io/developer/6777856693) |

## What reviewers say

### TwoScales

[App page](https://appshunter.io/ios/app/twoscales/id6743337334)

This app offers a dual-scale weather board for tracking global cities and a fun, fast-paced game to test your forecasting skills. View conditions in Celsius or Fahrenheit, save favorites, and compete for high scores.

**Highlights:** Dual-scale temperature display (C/F), Global city weather tracking, Favorite location management, Live weather guessing game, Score and streak tracking, Light/Dark/System appearance modes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock More Cities | $1.99 | one-time |


### Hydrogen Weather

[App page](https://appshunter.io/ios/app/hydrogen-weather/id6792465691)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.39 | per 7 days |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is TwoScales free?

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

### Is Hydrogen Weather free?

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

### Do TwoScales or Hydrogen Weather have ads?

Hydrogen Weather shows ads; TwoScales does not.

### Which is updated more often, TwoScales or Hydrogen Weather?

TwoScales ships an update every 3 days, and Hydrogen Weather every 3 days. Most recently, TwoScales was updated on October 28, 2026 and Hydrogen Weather on October 31, 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.*