# JDay vs Anniversary Countdown Tracker

The clearest difference is in-app purchases: JDay at none against Anniversary Countdown Tracker's 3. JDay also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Anniversary Countdown Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. JDay asks for nothing beyond the download.

JDay ships an update every 7 months, Anniversary Countdown Tracker every 4 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JDay | Anniversary Countdown Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 40 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Development17](https://appshunter.io/developer/1798461664) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### JDay

[App page](https://appshunter.io/ios/app/jday/id6751944488)

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

**In-app purchases:** none


### Anniversary Countdown Tracker

[App page](https://appshunter.io/ios/app/anniversary-countdown-tracker/id6772254699)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wedding Reminder Weekly | $2.99 | per 7 days |
| Couple Milestones Yearly | $14.99 | per year |
| Relationship Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is JDay free?

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

### Is Anniversary Countdown Tracker free?

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

### Do JDay or Anniversary Countdown Tracker have ads?

Neither JDay nor Anniversary Countdown Tracker shows ads.

### Which is updated more often, JDay or Anniversary Countdown Tracker?

JDay ships an update every 7 months, and Anniversary Countdown Tracker every 4 months. Most recently, JDay was updated on November 8, 2026 and Anniversary Countdown Tracker on November 5, 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.*