# snackTimer vs Periodic Table AR 4D

The clearest difference is in-app purchases: snackTimer at none against Periodic Table AR 4D's 2. snackTimer also leads on update cadence (every 2 days vs every 46 months) and iOS requirement (10.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Periodic Table AR 4D sells 2 one-off in-app purchases. snackTimer asks for nothing beyond the download.

snackTimer ships an update every 2 days, Periodic Table AR 4D every 46 months. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | snackTimer | Periodic Table AR 4D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 46 months |
| Size | 75 MB | 130 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [minoru yamazaki](https://appshunter.io/developer/1449437588) | [Ibrahim Amer](https://appshunter.io/developer/1054899889) |

## What reviewers say

### snackTimer

[App page](https://appshunter.io/ios/app/snacktimer/id1561301050)

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic Table AR 4D

[App page](https://appshunter.io/ios/app/periodic-table-ar-4d/id1597165998)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all Arabic section | $5.99 | one-time |
| Unlock all English section | $5.99 | one-time |


## Frequently asked questions

### Is snackTimer free?

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

### Is Periodic Table AR 4D free?

Periodic Table AR 4D is free to download, with in-app purchases available.

### Do snackTimer or Periodic Table AR 4D have ads?

Neither snackTimer nor Periodic Table AR 4D shows ads.

### Which is updated more often, snackTimer or Periodic Table AR 4D?

snackTimer ships an update every 2 days, and Periodic Table AR 4D every 46 months. Most recently, snackTimer was updated on October 8, 2026 and Periodic Table AR 4D on September 29, 2026.

---

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