# Irrationals vs Chinese Drop

The clearest difference is in-app purchases: Irrationals at none against Chinese Drop's 4. Irrationals also leads on ads (none vs shown) and update cadence (daily vs every 4 days). On price and device support there is nothing between them.

Both are free to download. Chinese Drop sells 4 one-off in-app purchases. Irrationals asks for nothing beyond the download.

Irrationals ships an update daily, Chinese Drop every 4 days. The most recent releases landed on November 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Irrationals | Chinese Drop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/irrationals/id1499298975/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 4 days |
| Monetization | Free | — |
| Size | 54 MB | 217 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Saeed Rahmatolahi](https://appshunter.io/developer/1490214852) | [International Technology Consulting LLC](https://appshunter.io/developer/983864691) |

## What reviewers say

### Irrationals

[App page](https://appshunter.io/ios/app/irrationals/id1499298975)

Challenge your math skills by estimating irrational numbers using guided formulas. Earn certificates for your achievements and share them with friends.

**Highlights:** Estimate irrational numbers, Guided math formulas, Earn certificates, Share achievements

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

**In-app purchases:** none


### Chinese Drop

[App page](https://appshunter.io/ios/app/chinese-drop/id1547063179)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $4.99 | one-time |
| 500 Coins | $5.99 | one-time |
| 1000 Coins | $6.99 | one-time |
| 2000 Coins | $9.99 | one-time |


## Frequently asked questions

### Is Irrationals free?

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

### Is Chinese Drop free?

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

### Do Irrationals or Chinese Drop have ads?

Chinese Drop shows ads; Irrationals does not.

### Which is updated more often, Irrationals or Chinese Drop?

Irrationals ships an update daily, and Chinese Drop every 4 days. Most recently, Irrationals was updated on November 3, 2026 and Chinese Drop on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*