# HundredKnot vs Z

The clearest difference is in-app purchases: HundredKnot at none against Z's 4. HundredKnot also leads on ads (none vs shown). Z's advantage is update cadence (fortnightly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Z sells 4 one-off in-app purchases. HundredKnot asks for nothing beyond the download.

HundredKnot ships an update every 3 months, Z fortnightly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HundredKnot | Z |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (319 ratings)](https://appshunter.io/ios/app/z-machine/id1625313578/reviews)** |
| Number of ratings | — | **319** |
| Positive reviews | — | 34.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 93 MB | 277 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Tung Phan](https://appshunter.io/developer/1097319890) | [Yso Corp](https://appshunter.io/developer/659815325) |

## What reviewers say

### HundredKnot

[App page](https://appshunter.io/ios/app/hundredknot/id1213898928)

**In-app purchases:** none


### Z

[App page](https://appshunter.io/ios/app/z-machine/id1625313578)

Engage in thrilling zombie combat and upgrade your powerful Z-Machine. Battle through hordes of undead enemies to survive and conquer the apocalypse.

**Highlights:** Zombie combat, Vehicle upgrades, Horde survival, Apocalypse battles

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Character Pack | $2.99 | one-time |
| Remove ads | $2.99 | one-time |
| Vehicule Pack | $2.99 | one-time |
| Starter Pack | $3.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Satisfying zombie-killing experience
- 💡 Interesting concept and mechanics

**What reviewers complain about**

- 🔍 Excessive and intrusive ads
- 🐛 Bugs and glitches preventing progress
- 💰 Paid features not working as expected

**Reported bugs**

- Game crashing or freezing
- Inability to progress past certain levels
- Paid features not functioning correctly

**Requested features**

- More levels and worlds to explore
- Ability to disable ads permanently
- Improved performance and stability


## Frequently asked questions

### Is HundredKnot free?

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

### Is Z free?

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

### Do HundredKnot or Z have ads?

Z shows ads; HundredKnot does not.

### Which is updated more often, HundredKnot or Z?

HundredKnot ships an update every 3 months, and Z fortnightly. Most recently, HundredKnot was updated on October 29, 2026 and Z on October 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.*