# Countdown List vs pdf转换器

The clearest difference is ads: pdf转换器 at none against Countdown List's shown. pdf转换器 also leads on update cadence (every 4 weeks vs every 3 months) and iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Countdown List sells 1 one-off in-app purchase and pdf转换器 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Countdown List ships an update every 3 months, pdf转换器 every 4 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Countdown List | pdf转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (18 ratings)](https://appshunter.io/ios/app/countdown-list-days-matter/id1445695078/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 20 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [志翔 赵](https://appshunter.io/developer/572200463) | [文 罗](https://appshunter.io/developer/1709424450) |

## What reviewers say

### Countdown List

[App page](https://appshunter.io/ios/app/countdown-list-days-matter/id1445695078)

Easily track important dates, anniversaries, and countdowns with flexible reminders and notes. Organize events with tags and sub-events, and view time in multiple dimensions. Sync and back up your data across devices.

**Highlights:** Event countdowns and anniversaries, Flexible reminders with notifications, Notes and sub-events for details, Multiple time display methods, Multi-device sync and backup, Event list widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads + Pro | $1.99 | one-time |


### pdf转换器

[App page](https://appshunter.io/ios/app/pdf/id6472162112)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $4.99 | per 7 days |
| 月会员 | $12.99 | per month |


## Frequently asked questions

### Is Countdown List free?

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

### Is pdf转换器 free?

pdf转换器 is free to download, with in-app purchases available.

### Do Countdown List or pdf转换器 have ads?

Countdown List shows ads; pdf转换器 does not.

### Which is updated more often, Countdown List or pdf转换器?

Countdown List ships an update every 3 months, and pdf转换器 every 4 weeks. Most recently, Countdown List was updated on September 21, 2026 and pdf转换器 on September 22, 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.*