# DayKeeper vs Countdown Reminder

The clearest difference is iOS requirement: Countdown Reminder at 12.0 against DayKeeper's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DayKeeper sells 4 in-app purchases, starting at $1.99 per month and Countdown Reminder sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

DayKeeper ships an update every 10 days, Countdown Reminder weekly. The most recent releases landed on September 16, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DayKeeper | Countdown Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 72 MB | 59 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [立战 王](https://appshunter.io/developer/1790215010) | [国飞 闫](https://appshunter.io/developer/1703504926) |

## What reviewers say

### DayKeeper

[App page](https://appshunter.io/ios/app/daykeeper-countdown-reminder/id6743952876)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DayKeeper Pro(1 Month) | $1.99 | per month |
| DayKeeper Pro(1 Year) | $5.99 | per year |
| DayKeeper Pro(Lifetime) | $6.99 | one-time |
| DayKeeper Pro(Lifetime) | $9.99 | one-time |


### Countdown Reminder

[App page](https://appshunter.io/ios/app/countdown-reminder-key-days/id6754815787)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month VIP | $0.99 | per month |
| Permanent VIP | $3.99 | one-time |


## Frequently asked questions

### Is DayKeeper free?

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

### Is Countdown Reminder free?

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

### Do DayKeeper or Countdown Reminder have ads?

Neither DayKeeper nor Countdown Reminder shows ads.

### Which is updated more often, DayKeeper or Countdown Reminder?

DayKeeper ships an update every 10 days, and Countdown Reminder weekly. Most recently, DayKeeper was updated on September 16, 2026 and Countdown Reminder on September 21, 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.*