# Phases Parent vs Periodic Table

The clearest difference is in-app purchases: Phases Parent at none against Periodic Table's 2. Phases Parent also leads on iOS requirement (15 vs 17.0). Periodic Table's advantage is update cadence (every 11 days vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Periodic Table sells 2 one-off in-app purchases. Phases Parent asks for nothing beyond the download.

Phases Parent ships an update monthly, Periodic Table every 11 days. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Phases Parent | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/periodic-table-elements-lab/id6780071541/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | — | Free |
| Size | 85 MB | 143 MB |
| Requires iOS | **15** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [STAGES EDUCATIONAL COMMERCIAL COMPANY, LLC](https://appshunter.io/developer/1733414441) | [Rizk Corsight, LLC](https://appshunter.io/developer/1896065289) |

## What reviewers say

### Phases Parent

[App page](https://appshunter.io/ios/app/phases-parent/id1558992777)

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

**In-app purchases:** none


### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-elements-lab/id6780071541)

Explore all 118 elements with detailed data, original illustrations, and a spaced-repetition study system. Features include a guided equation balancer, 3D atom view, and molar-mass calculator. This private app works offline and is designed for effective learning.

**Highlights:** All 118 elements with original illustrations, Spaced-repetition study system, Guided equation balancer, 3D atom view, Molar-mass calculator, Offline functionality, Curriculum packs for AP, IB, A-Level, GCSE, MCAT

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Trial | Free | one-time |
| Full Access Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Phases Parent free?

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

### Is Periodic Table free?

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

### Do Phases Parent or Periodic Table have ads?

Neither Phases Parent nor Periodic Table shows ads.

### Which is updated more often, Phases Parent or Periodic Table?

Phases Parent ships an update monthly, and Periodic Table every 11 days. Most recently, Phases Parent was updated on October 12, 2026 and Periodic Table on October 1, 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.*