# Zeitnot Chess Timer vs Blacken Slash

The clearest difference is price: Zeitnot Chess Timer at Free against Blacken Slash's $4.99. Zeitnot Chess Timer also leads on rating (5.0 vs 4.8). Blacken Slash's advantage is update cadence (fortnightly vs every 43 months) and ratings volume (60 vs 3). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Zeitnot Chess Timer is free to download; Blacken Slash costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zeitnot Chess Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Blacken Slash has 60 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Zeitnot Chess Timer's written reviews are positive against 96% of Blacken Slash's.

Zeitnot Chess Timer ships an update every 43 months, Blacken Slash fortnightly. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Zeitnot Chess Timer | Blacken Slash |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zeitnot-chess-timer/id1462561926/reviews)** | [4.8 (60 ratings)](https://appshunter.io/ios/app/blacken-slash/id1604646442/reviews) |
| Number of ratings | 3 | **60** |
| Positive reviews | **100.0% of reviews** | 95.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 161 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Gavin Anthony, Inc](https://appshunter.io/developer/1246860039) | [Sonderland Games UG haftungsbeschrankt](https://appshunter.io/developer/1546364147) |

## What reviewers say

### Zeitnot Chess Timer

[App page](https://appshunter.io/ios/app/zeitnot-chess-timer/id1462561926)

This is a simple and focused chess clock application. It offers several pre-set timer durations for quick setup. Designed for a distraction-free experience, it helps manage game time efficiently.

**Highlights:** Minimalist design, Distraction-free interface, Utilitarian chess timer, Pre-set timer durations, Quick setup options

**Features:** macOS Compatibility

**In-app purchases:** none


### Blacken Slash

[App page](https://appshunter.io/ios/app/blacken-slash/id1604646442)

Engage in turn-based tactical combat with roguelike elements. Craft unique character builds with a vast array of items and skills. Enjoy a story-driven experience with a retro soundtrack and compete on an online ladder.

**Highlights:** Turn-based tactical combat, Roguelike elements, Item-based build crafting, Carry favorite items between runs, Online ladder competition, Challenging achievements, Story-driven experience

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

**In-app purchases:** none

**What reviewers like**

- 👍 Addictive gameplay loop
- 💡 Innovative mechanics
- 🎨 Aesthetically pleasing visuals
- 🧠 Strategic depth
- 💰 Worth the price, no ads/IAPs

**What reviewers complain about**

- 🤔 Lacks strategic depth (for some)
- 😴 Combat can be boring
- 📉 Can become trivially easy
- 🔋 Drains battery significantly
- 🔄 Early levels can be repetitive

**Reported bugs**

- Insane battery drainage
- iPad getting super hot

**Requested features**

- Consider adding two or more units for more interesting gameplay
- More content for future updates


## Frequently asked questions

### Is Zeitnot Chess Timer free?

Zeitnot Chess Timer is free to download, with no in-app purchases.

### Is Blacken Slash free?

Blacken Slash costs $4.99, with no in-app purchases.

### Which has better reviews, Zeitnot Chess Timer or Blacken Slash?

Zeitnot Chess Timer is rated higher. Zeitnot Chess Timer averages 5.0 out of 5 from 3 ratings, while Blacken Slash averages 4.8 from 60 ratings.

### Do Zeitnot Chess Timer or Blacken Slash have ads?

Neither Zeitnot Chess Timer nor Blacken Slash shows ads.

### Which is updated more often, Zeitnot Chess Timer or Blacken Slash?

Zeitnot Chess Timer ships an update every 43 months, and Blacken Slash fortnightly. Most recently, Zeitnot Chess Timer was updated on October 7, 2026 and Blacken Slash on October 18, 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.*