# Dian Dian vs QuesToDo

The clearest difference is update cadence: QuesToDo at daily against Dian Dian's every 4 days. Dian Dian's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dian Dian sells 3 in-app purchases, starting at $1.99 per month and QuesToDo sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Dian Dian ships an update every 4 days, QuesToDo daily. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Dian Dian | QuesToDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Daily** |
| Size | 58 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Override SAS](https://appshunter.io/developer/1888186144) | [HAJIME SAKAMOTO](https://appshunter.io/developer/6794613230) |

## What reviewers say

### Dian Dian

[App page](https://appshunter.io/ios/app/dian-dian-year-tracker/id6761432329)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $8.99 | per year |
| Premium Lifetime | $22.99 | one-time |


### QuesToDo

[App page](https://appshunter.io/ios/app/questodo/id6794613228)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Dian Dian free?

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

### Is QuesToDo free?

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

### Do Dian Dian or QuesToDo have ads?

Both Dian Dian and QuesToDo show ads.

### Which is updated more often, Dian Dian or QuesToDo?

Dian Dian ships an update every 4 days, and QuesToDo daily. Most recently, Dian Dian was updated on September 15, 2026 and QuesToDo on September 9, 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.*