# To Do vs Gengou Lib

The clearest difference is rating: To Do at 3.6 against Gengou Lib's 2.5. To Do also leads on ads (none vs shown) and update cadence (every 6 months vs every 61 months). Gengou Lib's advantage is review sentiment (84% vs 66%). On price, in-app purchases, monetization model 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.

To Do holds the better App Store score, 3.6 against 2.5. That said, the two scores are not equally well evidenced: To Do has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 66% of To Do's written reviews are positive against 84% of Gengou Lib's, so the app with the better star average is not the one people write more warmly about.

To Do ships an update every 6 months, Gengou Lib every 61 months. The most recent releases landed on September 29, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | To Do | Gengou Lib |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (10 ratings)](https://appshunter.io/ios/app/to-do/id284222001/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/gengou-lib/id284830543/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | 66.0% of reviews | **84.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 61 months |
| Monetization | Free | Free |
| Size | 2 MB | 6 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erica Sadun](https://appshunter.io/developer/282772077) | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) |

## What reviewers say

### To Do

[App page](https://appshunter.io/ios/app/to-do/id284222001)

Manage your daily tasks with a straightforward to-do list manager. Add, reorder, and prioritize your items, with support for basic notes to keep track of details. This free application offers essential task management functionality.

**Highlights:** Add to-do items, Order and manage tasks, Basic priority support, Note support for tasks, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 📋 Straightforward to-do list functionality
- 🔢 Helpful badge showing number of tasks
- 💰 Free app

**What reviewers complain about**

- 🐛 Crashes or freezes after updates
- 🔍 Limited visibility of tasks due to large spacing
- 🔧 Inconvenient to delete 'To Do' text when adding new tasks
- 🗓️ Lack of date/time and priority sorting options

**Reported bugs**

- Losing task data after updates
- Cancel button not working in certain actions
- Inability to view full task details

**Requested features**

- Ability to mark tasks as complete
- Option to sort tasks by priority or due date
- Customizable task list layout
- Syncing or sharing capabilities


### Gengou Lib

[App page](https://appshunter.io/ios/app/gengou-lib/id284830543)

Quickly convert between Japanese era names and Christian era years. Features include era and year searching, period and era pickers, and the ability to display the current year in either system. Texts can be shown in Japanese or English.

**Highlights:** Era and year search, Period picker, Era picker, Christian era year picker, Japanese era year picker, Show this year button, Multi-language text display

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

**In-app purchases:** none


## Frequently asked questions

### Is To Do free?

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

### Is Gengou Lib free?

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

### Which has better reviews, To Do or Gengou Lib?

To Do is rated higher. To Do averages 3.6 out of 5 from 10 ratings, while Gengou Lib averages 2.5 from 2 ratings.

### Do To Do or Gengou Lib have ads?

Gengou Lib shows ads; To Do does not.

### Which is updated more often, To Do or Gengou Lib?

To Do ships an update every 6 months, and Gengou Lib every 61 months. Most recently, To Do was updated on September 29, 2026 and Gengou Lib on August 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*