# ReDay vs Big Day

The clearest difference is in-app purchases: ReDay at none against Big Day's 1. ReDay also leads on iOS requirement (9.0 vs 17.0). Big Day's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Big Day sells 1 one-off in-app purchase. ReDay asks for nothing beyond the download.

ReDay ships an update every 5 months, Big Day every 2 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ReDay | Big Day |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/big-day-countdown-timer/id6799796713/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 5 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Elvir Berisha](https://appshunter.io/developer/921385483) | [Damien Asseya](https://appshunter.io/developer/878472983) |

## What reviewers say

### ReDay

[App page](https://appshunter.io/ios/app/reday/id1024072175)

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Day

[App page](https://appshunter.io/ios/app/big-day-countdown-timer/id6799796713)

Track important dates with a visually appealing countdown. See your upcoming events on your Home Screen, Lock Screen, and Apple Watch without opening the app. Count down to future events or count up from past milestones.

**Highlights:** Home Screen widgets (all sizes), Lock Screen widgets, Live Activities for real-time countdowns, Count up or count down functionality, Recurring events and weekday-only counting, Customizable alerts and categories, Apple Watch complications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Pro | $5.99 | one-time |


## Frequently asked questions

### Is ReDay free?

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

### Is Big Day free?

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

### Do ReDay or Big Day have ads?

Neither ReDay nor Big Day shows ads.

### Which is updated more often, ReDay or Big Day?

ReDay ships an update every 5 months, and Big Day every 2 weeks. Most recently, ReDay was updated on October 26, 2026 and Big Day on October 25, 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.*