# Waterfall 2 vs 纳物记

The clearest difference is in-app purchases: Waterfall 2 at none against 纳物记's 6. Waterfall 2 also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 纳物记 sells 6 in-app purchases, starting at $0.99 per month. Waterfall 2 asks for nothing beyond the download.

Waterfall 2 ships an update every 3 weeks, 纳物记 every 6 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Waterfall 2 | 纳物记 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 37 MB | 77 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen Yuyue Technology Co., Ltd.](https://appshunter.io/developer/1212727401) | [军杰 王](https://appshunter.io/developer/1854450473) |

## What reviewers say

### Waterfall 2

[App page](https://appshunter.io/ios/app/waterfall-2/id6444697367)

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

**In-app purchases:** none


### 纳物记

[App page](https://appshunter.io/ios/app/id6756002978)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $6.99 | per year |
| 30 AI Credits | $0.99 | one-time |
| 88 AI Credits | $1.99 | one-time |
| 288 AI Credits | $3.99 | one-time |
| Lifetime Pro | $14.99 | one-time |


## Frequently asked questions

### Is Waterfall 2 free?

Waterfall 2 is free to download, with no in-app purchases.

### Is 纳物记 free?

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

### Do Waterfall 2 or 纳物记 have ads?

Neither Waterfall 2 nor 纳物记 shows ads.

### Which is updated more often, Waterfall 2 or 纳物记?

Waterfall 2 ships an update every 3 weeks, and 纳物记 every 6 weeks. Most recently, Waterfall 2 was updated on October 10, 2026 and 纳物记 on October 25, 2026.

---

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