# Oxytone vs Pi 100 Challenge

The clearest difference is price: Oxytone at Free against Pi 100 Challenge's $0.99. Oxytone also leads on iOS requirement (12.0 vs 17.0). Pi 100 Challenge's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Oxytone is free to download; Pi 100 Challenge costs $0.99 up front. Oxytone sells 1 one-off in-app purchase. Pi 100 Challenge asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Oxytone | Pi 100 Challenge |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (99 ratings)](https://appshunter.io/ios/app/oxytone/id1673677183/reviews)** | — |
| Number of ratings | **99** | — |
| Positive reviews | 75.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 157 MB | 11 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OxGames Kamil Wdowczyk](https://appshunter.io/developer/1673677185) | [Ram Rao](https://appshunter.io/developer/1724828937) |

## What reviewers say

### Oxytone

[App page](https://appshunter.io/ios/app/oxytone/id1673677183)

Embark on a unique puzzle adventure designed for relaxation and mental exploration. Master strategic tile placement to create long paths and impressive combinations, with 99 challenges and unlockable themes for a deep, engaging experience.

**Highlights:** Unique puzzle adventure, Tranquil escape, 99 challenges, Unlockable colorful themes, 12 meticulously designed maps, Strategic tile placement, Immersive sound design

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $5.99 | one-time |

**What reviewers like**

- 🎨 Beautiful graphics and visual design
- 🎵 Soothing music and sound effects
- 😌 Relaxing and meditative gameplay
- 🧩 Engaging puzzle mechanics requiring strategy
- 🚫 No ads or intrusive monetization

**What reviewers complain about**

- ❓ Unclear game objectives and lack of instructions
- 🔄 Game progress lost when switching apps
- 👁️ Strains eyesight during extended play
- ⏱️ Excessive menu navigation between games
- 📸 Cannot screenshot or view completed puzzles

**Reported bugs**

- Game crashes and refuses to reopen
- Progress lost when leaving app mid-game
- Achievement unlock not triggering (Quick Mode)
- Trophy not awarded for completed challenges
- Freezing on iPad Pro, especially with Apple Pencil

**Requested features**

- Tutorial or instructional videos explaining gameplay
- Ability to save mid-game progress
- Quick replay/restart button without menu navigation
- Zoom out feature to see more of the board
- Replay functionality to review completed puzzles


### Pi 100 Challenge

[App page](https://appshunter.io/ios/app/pi-100-challenge/id6475694538)

**In-app purchases:** none


## Frequently asked questions

### Is Oxytone free?

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

### Is Pi 100 Challenge free?

Pi 100 Challenge costs $0.99, with no in-app purchases.

### Do Oxytone or Pi 100 Challenge have ads?

Neither Oxytone nor Pi 100 Challenge shows ads.

### Which is updated more often, Oxytone or Pi 100 Challenge?

Oxytone ships an update every 3 weeks, and Pi 100 Challenge every 3 weeks. Most recently, Oxytone was updated on October 27, 2026 and Pi 100 Challenge on October 25, 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.*