# NaturalAqua vs 3 Second

The clearest difference is in-app purchases: NaturalAqua at none against 3 Second's 5. NaturalAqua also leads on iOS requirement (12.0 vs 18.6). 3 Second's advantage is update cadence (daily vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. 3 Second sells 5 in-app purchases, starting at $3.99 per month. NaturalAqua asks for nothing beyond the download.

NaturalAqua ships an update monthly, 3 Second daily. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | NaturalAqua | 3 Second |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/3-second-diary-short-form/id6740769130/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 94.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 66 MB | 266 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ConIT AG](https://appshunter.io/developer/375733294) | [Cheol Kim](https://appshunter.io/developer/1252540990) |

## What reviewers say

### NaturalAqua

[App page](https://appshunter.io/ios/app/naturalaqua/id1583036162)

**In-app purchases:** none


### 3 Second

[App page](https://appshunter.io/ios/app/3-second-diary-short-form/id6740769130)

Easily capture and organize daily moments with short video clips. This app simplifies journaling by focusing on brief recordings, offering features like automatic sorting, mood filters, and time-lapse views to help you revisit memories and track your personal growth.

**Highlights:** Quick 3-second video recording, Automatic calendar view, Mood-enhancing filters, Monthly & yearly timelapse, Time Machine for past dates

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YesToDay Premium | $3.99 | per month |
| YesToDay Premium | $19.99 | per year |
| Yearly Special Price | $19.99 | per year |
| Upgrade Lifetime | $19.99 | one-time |
| Upgrade Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is NaturalAqua free?

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

### Is 3 Second free?

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

### Do NaturalAqua or 3 Second have ads?

Neither NaturalAqua nor 3 Second shows ads.

### Which is updated more often, NaturalAqua or 3 Second?

NaturalAqua ships an update monthly, and 3 Second daily. Most recently, NaturalAqua was updated on October 27, 2026 and 3 Second on October 21, 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.*