# Countdown App vs OddBook Universe

The clearest difference is review sentiment: OddBook Universe at 100% against Countdown App's 46%. OddBook Universe also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). Countdown App's advantage is ratings volume (36K vs 8) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Countdown App sells 2 in-app purchases, starting at $1.99 per month. OddBook Universe asks for nothing beyond the download.

OddBook Universe holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Countdown App has 36K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 46% of Countdown App's written reviews are positive against 100% of OddBook Universe's.

Countdown App ships an update every 6 weeks, OddBook Universe every 4 weeks. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Countdown App | OddBook Universe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (36K ratings)](https://appshunter.io/ios/app/countdown-app/id1481006495/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/oddbook-universe/id1577225310/reviews)** |
| Number of ratings | **36K** | 8 |
| Positive reviews | 46.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 185 MB | 62 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 12+ | 12+ |
| Developer | [Ryan Boyling](https://appshunter.io/developer/1313437414) | [Ryan Rook](https://appshunter.io/developer/1524236601) |

## What reviewers say

### Countdown App

[App page](https://appshunter.io/ios/app/countdown-app/id1481006495)

This app predicts your remaining time, inspired by a horror movie. It uses vibrations, sound, and your device's torch for an intense experience. For entertainment purposes only, results are not to be taken seriously.

**Highlights:** Predicts remaining time, Horror movie inspired, Vibrations and sound effects, Uses device torch, Entertainment purposes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown 2.0 Monthly | $1.99 | per month |
| Countdown 2.0 Lifetime | $4.99 | one-time |

**What reviewers like**

- 🚀 Exactly like the movie app
- 🤡 Fun and entertaining
- 😆 Funny experiences
- 👍 Creepy vibes

**What reviewers complain about**

- 🔋 Drains phone battery
- 🔒 Potential security/privacy issues
- 😱 Scary and unsettling
- 🙅‍♀️ Not recommended for some users

**Reported bugs**

- Glitchy behavior, like uncontrolled flashlight and app crashing
- Timer/countdown not working as expected

**Requested features**

- Option to disable camera/flashlight effects
- More customization options


### OddBook Universe

[App page](https://appshunter.io/ios/app/oddbook-universe/id1577225310)

This app is a comprehensive fan resource for all things Oddworld. It provides detailed information on games, characters, and locations, along with a timeline to track your progress. Stay connected with the official Oddworld community through integrated social media links.

**Highlights:** Oddworld game details, Character and location information, Game completion tracker, Official social media links, Community access

**In-app purchases:** none


## Frequently asked questions

### Is Countdown App free?

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

### Is OddBook Universe free?

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

### Which has better reviews, Countdown App or OddBook Universe?

OddBook Universe is rated higher. Countdown App averages 3.0 out of 5 from 36K ratings, while OddBook Universe averages 5.0 from 8 ratings.

### Do Countdown App or OddBook Universe have ads?

Countdown App shows ads; OddBook Universe does not.

### Which is updated more often, Countdown App or OddBook Universe?

Countdown App ships an update every 6 weeks, and OddBook Universe every 4 weeks. Most recently, Countdown App was updated on October 21, 2026 and OddBook Universe on October 10, 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.*