# NonZero vs Hulo

The clearest difference is update cadence: NonZero at every 5 days against Hulo's every 3 weeks. Hulo's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

NonZero ships an update every 5 days, Hulo every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NonZero | Hulo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 3 MB | 44 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lewis Lee](https://appshunter.io/developer/1878587705) | [R HARI KRISHNAN](https://appshunter.io/developer/1881286013) |

## What reviewers say

### NonZero

[App page](https://appshunter.io/ios/app/nonzero/id6759438563)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hulo

[App page](https://appshunter.io/ios/app/hulo-no-zero-day-tracker/id6759857807)

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

**In-app purchases:** none


## Frequently asked questions

### Is NonZero free?

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

### Is Hulo free?

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

### Do NonZero or Hulo have ads?

Neither NonZero nor Hulo shows ads.

### Which is updated more often, NonZero or Hulo?

NonZero ships an update every 5 days, and Hulo every 3 weeks. Most recently, NonZero was updated on November 5, 2026 and Hulo 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.*