# Calendar Event Countdowns vs Second Order Consequences

The clearest difference is in-app purchases: Calendar Event Countdowns at none against Second Order Consequences's 2. Calendar Event Countdowns also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Second Order Consequences's advantage is update cadence (daily vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Second Order Consequences sells 2 in-app purchases, starting at $0.99 per 7 days. Calendar Event Countdowns asks for nothing beyond the download.

Calendar Event Countdowns ships an update every 3 weeks, Second Order Consequences daily. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Calendar Event Countdowns | Second Order Consequences |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 48 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Smart Data Applications Cologne UG](https://appshunter.io/developer/1695599767) | [Dropouts Technologies LLP](https://appshunter.io/developer/575481782) |

## What reviewers say

### Calendar Event Countdowns

[App page](https://appshunter.io/ios/app/calendar-event-countdowns/id6450902759)

**In-app purchases:** none


### Second Order Consequences

[App page](https://appshunter.io/ios/app/second-order-consequences/id6755480886)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |
| Yearly Subscription | $24.99 | per year |


## Frequently asked questions

### Is Calendar Event Countdowns free?

Calendar Event Countdowns is free to download, with no in-app purchases.

### Is Second Order Consequences free?

Second Order Consequences is free to download, with in-app purchases available.

### Do Calendar Event Countdowns or Second Order Consequences have ads?

Neither Calendar Event Countdowns nor Second Order Consequences shows ads.

### Which is updated more often, Calendar Event Countdowns or Second Order Consequences?

Calendar Event Countdowns ships an update every 3 weeks, and Second Order Consequences daily. Most recently, Calendar Event Countdowns was updated on September 13, 2026 and Second Order Consequences on September 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.*