# Climate Timer vs Cerne

The clearest difference is update cadence: Cerne at every 4 days against Climate Timer's every 11 months. Climate Timer's advantage is iOS requirement (16.1 vs 26.0). 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.

Climate Timer ships an update every 11 months, Cerne every 4 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Climate Timer | Cerne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/climate-timer/id6444170266/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 30 MB | 12 MB |
| Requires iOS | **16.1** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MAKOTO SASAKI](https://appshunter.io/developer/908850577) | [Andrei Rech](https://appshunter.io/developer/1835715465) |

## What reviewers say

### Climate Timer

[App page](https://appshunter.io/ios/app/climate-timer/id6444170266)

Track critical climate change deadlines and lifelines, discover positive news, and manage personal actions. Customize your experience with background themes and home screen widgets.

**Highlights:** Climate change deadline countdown, Renewable energy and land protection data, Climate news updates, Personal climate action planner, Customizable background themes, Home screen widget support

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

**In-app purchases:** none


### Cerne

[App page](https://appshunter.io/ios/app/cerne-co-capture/id6751984534)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Climate Timer free?

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

### Is Cerne free?

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

### Do Climate Timer or Cerne have ads?

Neither Climate Timer nor Cerne shows ads.

### Which is updated more often, Climate Timer or Cerne?

Climate Timer ships an update every 11 months, and Cerne every 4 days. Most recently, Climate Timer was updated on October 7, 2026 and Cerne on September 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.*