# Ones! (Ad Version) vs Collatz Hailstone Link

The clearest difference is ads: Ones! (Ad Version) at none against Collatz Hailstone Link's shown. Ones! (Ad Version) also leads on iOS requirement (6.0 vs 14.0). Collatz Hailstone Link's advantage is update cadence (weekly vs every 2 months). On price, 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.

Ones! (Ad Version) ships an update every 2 months, Collatz Hailstone Link weekly. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ones! (Ad Version) | Collatz Hailstone Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/ones-ad-version/id965632953/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 17 MB | 118 MB |
| Requires iOS | **6.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magic Cube](https://appshunter.io/developer/378048862) | [KwangHo Yun](https://appshunter.io/developer/1669492345) |

## What reviewers say

### Ones! (Ad Version)

[App page](https://appshunter.io/ios/app/ones-ad-version/id965632953)

A captivating puzzle game with a simple premise that's hard to put down. Enjoy beautiful art and sound in this addictive experience.

**Highlights:** Simple rules, deep gameplay, Addictive nature, Beautiful art and sounds, Quick to learn, Never gets boring

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

**In-app purchases:** none


### Collatz Hailstone Link

[App page](https://appshunter.io/ios/app/collatz-hailstone-link/id6780455667)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ones! (Ad Version) free?

Ones! (Ad Version) is free to download, with no in-app purchases.

### Is Collatz Hailstone Link free?

Collatz Hailstone Link is free to download, with no in-app purchases.

### Do Ones! (Ad Version) or Collatz Hailstone Link have ads?

Collatz Hailstone Link shows ads; Ones! (Ad Version) does not.

### Which is updated more often, Ones! (Ad Version) or Collatz Hailstone Link?

Ones! (Ad Version) ships an update every 2 months, and Collatz Hailstone Link weekly. Most recently, Ones! (Ad Version) was updated on October 17, 2026 and Collatz Hailstone Link on October 9, 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.*