# Big Day vs Aqua_Smart

The clearest difference is in-app purchases: Aqua_Smart at none against Big Day's 9. Aqua_Smart also leads on price ($2.99 vs $3.99). On update cadence, ads, device support and iOS requirement there is nothing between them.

Big Day costs $3.99 and Aqua_Smart $2.99 up front. Big Day sells 9 one-off in-app purchases. Aqua_Smart asks for nothing beyond the download.

Big Day ships an update every 5 weeks, Aqua_Smart every 2 months. The most recent releases landed on September 26, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Big Day | Aqua_Smart |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.0 (81 ratings)](https://appshunter.io/ios/app/big-dayevent-countdown-clock/id581481166/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 70.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 38 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WW Productions BVBA](https://appshunter.io/developer/1171837096) | [kazunori ueda](https://appshunter.io/developer/1415280956) |

## What reviewers say

### Big Day

[App page](https://appshunter.io/ios/app/big-dayevent-countdown-clock/id581481166)

This app helps you track the time until important life events with customizable countdowns. It offers detailed timers, personalized visuals, and repeating alerts to enhance anticipation for holidays, anniversaries, and more.

**Highlights:** Comprehensive event countdowns, Hour, minute, and second timer, Customizable background visuals, Personalized countdown timer, Repeating and multiple alerts, Social sharing of events, Unlimited event tracking

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| package of 32 different Anniversaries background images | $1.99 | one-time |
| package of 32 different Holidays background images | $1.99 | one-time |
| package of 32 different Parties background images | $1.99 | one-time |
| package of 32 different Events background images | $1.99 | one-time |
| package of 32 different Celebrations background images | $1.99 | one-time |
| package of 32 different Yearly background images | $1.99 | one-time |
| package of 32 different Career background images | $1.99 | one-time |
| package of 32 different Personal background images | $1.99 | one-time |
| All background images | $9.99 | one-time |

**What reviewers like**

- 💡 Customizable with own photos
- 👍 Easy to use
- 🚀 Accurate countdown
- 👍 Helpful for visualizing time
- 👍 Multiple events supported

**What reviewers complain about**

- 🐛 Crashes and freezes on some devices
- 💰 In-app purchases required for more features
- 🔧 Occasional issues with time/date accuracy
- 🔧 Background image resizing not possible

**Reported bugs**

- Countdown time not always accurate
- Inability to restore purchased content
- Compatibility issues with newer iOS versions

**Requested features**

- Ability to set recurring events
- Widget support for home screen
- More free background image options
- Countdown alerts/notifications


### Aqua_Smart

[App page](https://appshunter.io/ios/app/aqua-smart/id1503941316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big Day free?

Big Day costs $3.99, and also offers in-app purchases.

### Is Aqua_Smart free?

Aqua_Smart costs $2.99, with no in-app purchases.

### Do Big Day or Aqua_Smart have ads?

Neither Big Day nor Aqua_Smart shows ads.

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

Big Day ships an update every 5 weeks, and Aqua_Smart every 2 months. Most recently, Big Day was updated on September 26, 2026 and Aqua_Smart on May 16, 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.*