# Rummi Countdown Timer vs Razer Cortex Mobile

Rummi Countdown Timer and Razer Cortex Mobile both sit at 4.8 stars, but that hides the real split: 83% of Rummi Countdown Timer's written reviews are positive against 35% of Razer Cortex Mobile's. Rummi Countdown Timer also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 17). Razer Cortex Mobile's advantage is ratings volume (3.4K vs 10). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Rummi Countdown Timer against 4.7 for Razer Cortex Mobile. That said, the two scores are not equally well evidenced: Razer Cortex Mobile has 3.4K ratings behind it against 10, so its average is the more settled of the two. Written reviews are what separate them: 83% of Rummi Countdown Timer's written reviews are positive against 35% of Razer Cortex Mobile's.

Rummi Countdown Timer ships an update every 3 weeks, Razer Cortex Mobile every 2 months. The most recent releases landed on September 16, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Rummi Countdown Timer | Razer Cortex Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/rummi-countdown-timer/id1335426620/reviews)** | [4.7 (3.4K ratings)](https://appshunter.io/ios/app/razer-cortex-mobile/id1565916457/reviews) |
| Number of ratings | 10 | **3.4K** |
| Positive reviews | **83.3% of reviews** | 34.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 8 MB | 163 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Colin Blake](https://appshunter.io/developer/1335426619) | [Razer](https://appshunter.io/developer/860552677) |

## What reviewers say

### Rummi Countdown Timer

[App page](https://appshunter.io/ios/app/rummi-countdown-timer/id1335426620)

A simple countdown timer designed for board games like Rummikub. It features large, easy-to-read displays, customizable player configurations, and audible warnings as time expires. The timer resets with a single tap, making game management seamless.

**Highlights:** Large countdown display, Tap to reset, Warning sounds, Configurable for players, Player seating configuration, No player name entry needed

**In-app purchases:** none


### Razer Cortex Mobile

[App page](https://appshunter.io/ios/app/razer-cortex-mobile/id1565916457)

Enhance your mobile gaming with a console-like experience. Discover curated games, play your installed titles, customize your controller, and stream your gameplay. This app is the perfect companion for compatible Razer Kishi controllers.

**Highlights:** Curated game catalog, Play installed games, Controller customization, Record and stream gameplay, Xbox Cloud Gaming integration, Controller firmware updates

**Features:** Game Controller support

**In-app purchases:** none

**What reviewers like**

- 👍 Good quality and controls
- 🚀 Improved app features and polish
- 🚀 Ability to add games to launcher
- 👍 No subscription required for features

**What reviewers complain about**

- 🐛 Unable to add games or emulators to the app
- 🐛 Compatibility issues with newer devices (iPhone 15)
- 🐛 Crashes and bugs with the app
- 🐛 Lack of support for virtual controller on iOS
- 🐛 Inability to remap all buttons

**Reported bugs**

- App crashes on launch
- Unable to detect or update controller firmware
- Incompatibility with newer iOS versions and devices
- Inability to add games or emulators to the app

**Requested features**

- Add more games and game genres
- Integrate with cloud gaming and streaming services
- Improve game library management and organization
- Add support for virtual controller on iOS
- Improve button remapping and customization options


## Frequently asked questions

### Is Rummi Countdown Timer free?

Rummi Countdown Timer is free to download, with no in-app purchases.

### Is Razer Cortex Mobile free?

Razer Cortex Mobile is free to download, with no in-app purchases.

### Which has better reviews, Rummi Countdown Timer or Razer Cortex Mobile?

Rummi Countdown Timer is rated higher. Rummi Countdown Timer averages 4.8 out of 5 from 10 ratings, while Razer Cortex Mobile averages 4.7 from 3.4K ratings.

### Do Rummi Countdown Timer or Razer Cortex Mobile have ads?

Neither Rummi Countdown Timer nor Razer Cortex Mobile shows ads.

### Which is updated more often, Rummi Countdown Timer or Razer Cortex Mobile?

Rummi Countdown Timer ships an update every 3 weeks, and Razer Cortex Mobile every 2 months. Most recently, Rummi Countdown Timer was updated on September 16, 2026 and Razer Cortex Mobile on September 24, 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.*