# Countdown vs Revlo

The clearest difference is in-app purchases: Revlo at none against Countdown's 5. Revlo also leads on update cadence (daily vs every 2 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Countdown sells 5 in-app purchases, starting at $3.99 per month. Revlo asks for nothing beyond the download.

Countdown ships an update every 2 weeks, Revlo daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Countdown | Revlo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (118 ratings)](https://appshunter.io/ios/app/countdown-days-until/id1500141836/reviews)** | — |
| Number of ratings | **118** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Freemium | — |
| Size | 31 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Days Until LTD](https://appshunter.io/developer/1224814198) | [Panicle Tech Private Limited](https://appshunter.io/developer/1895239657) |

## What reviewers say

### Countdown

[App page](https://appshunter.io/ios/app/countdown-days-until/id1500141836)

Easily track and get excited about all your upcoming events, from holidays and birthdays to vacations and exams. Personalize your countdowns with custom backgrounds and styles to make every anticipation special.

**Highlights:** Track all upcoming events, View remaining days, Customize backgrounds, Personalize countdown style, Event categorization

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Days until plus monthly | $3.99 | per month |
| Days until plus monthly | $4.99 | per month |
| Days until plus yearly | $9.99 | per year |
| Days until plus yearly | $11.99 | per year |
| Days Until Plus | $19.99 | per year |


### Revlo

[App page](https://appshunter.io/ios/app/revlo-study-planner/id6797790041)

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown free?

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

### Is Revlo free?

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

### Do Countdown or Revlo have ads?

Neither Countdown nor Revlo shows ads.

### Which is updated more often, Countdown or Revlo?

Countdown ships an update every 2 weeks, and Revlo daily. Most recently, Countdown was updated on November 3, 2026 and Revlo on October 31, 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.*