# CloudLabs pH vs Periodic

The clearest difference is ads: CloudLabs pH at none against Periodic's shown. CloudLabs pH also leads on iOS requirement (9.0 vs 15.1). Periodic's advantage is update cadence (every 5 weeks vs every 29 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CloudLabs pH ships an update every 29 months, Periodic every 5 weeks. The most recent releases landed on December 6, 2025 and May 16, 2026 respectively.

## The numbers

| Metric | CloudLabs pH | Periodic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 5 weeks** |
| Size | 87 MB | 35 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### CloudLabs pH

[App page](https://appshunter.io/ios/app/cloudlabs-ph/id1596370908)

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic

[App page](https://appshunter.io/ios/app/periodic-table-elements/id1628647298)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs pH free?

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

### Is Periodic free?

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

### Do CloudLabs pH or Periodic have ads?

Periodic shows ads; CloudLabs pH does not.

### Which is updated more often, CloudLabs pH or Periodic?

CloudLabs pH ships an update every 29 months, and Periodic every 5 weeks. Most recently, CloudLabs pH was updated on December 6, 2025 and Periodic on May 16, 2026.

---

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