# iToDoer vs Climate Timer

The clearest difference is rating: iToDoer at 4.0 against Climate Timer's 3.0. iToDoer also leads on review sentiment (80% vs 50%) and update cadence (every 2 months vs every 11 months). Climate Timer's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iToDoer sells 1 one-off in-app purchase. Climate Timer asks for nothing beyond the download.

iToDoer holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 80% of iToDoer's written reviews are positive against 50% of Climate Timer's.

iToDoer ships an update every 2 months, Climate Timer every 11 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iToDoer | Climate Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/itodoer/id1131979110/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/climate-timer/id6444170266/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 19 MB | 30 MB |
| Requires iOS | **15.6** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grigory Konovalov](https://appshunter.io/developer/1131979109) | [MAKOTO SASAKI](https://appshunter.io/developer/908850577) |

## What reviewers say

### iToDoer

[App page](https://appshunter.io/ios/app/itodoer/id1131979110)

Create and manage checklists to stay organized and remember tasks. Add descriptions, track progress, set priorities, and schedule notifications to ensure nothing is missed.

**Highlights:** Create and edit checklists, Add item descriptions, Track implementation progress, Set action importance, Schedule notifications

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable all ads | $1.99 | one-time |


### 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


## Frequently asked questions

### Is iToDoer free?

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

### Is Climate Timer free?

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

### Which has better reviews, iToDoer or Climate Timer?

iToDoer is rated higher. iToDoer averages 4.0 out of 5 from 3 ratings, while Climate Timer averages 3.0 from 1 ratings.

### Do iToDoer or Climate Timer have ads?

iToDoer shows ads; Climate Timer does not.

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

iToDoer ships an update every 2 months, and Climate Timer every 11 months. Most recently, iToDoer was updated on November 2, 2026 and Climate Timer 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.*