# Correct My Words! vs Periodic Table

The clearest difference is iOS requirement: Correct My Words! at 12.0 against Periodic Table's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Correct My Words! sells 3 one-off in-app purchases and Periodic Table sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Correct My Words! ships an update fortnightly, Periodic Table every 8 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Correct My Words! | 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 | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | — | Free |
| Size | 68 MB | 144 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Mario Luque](https://appshunter.io/developer/1506822340) | [Rizk Corsight, LLC](https://appshunter.io/developer/1896065289) |

## What reviewers say

### Correct My Words!

[App page](https://appshunter.io/ios/app/correct-my-words/id6452193204)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Gems | $4.99 | one-time |
| 200 Gems | $17.99 | one-time |
| 1000 Gems | $29.99 | one-time |


### 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 Correct My Words! free?

Correct My Words! is free to download, with in-app purchases available.

### Is Periodic Table free?

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

### Do Correct My Words! or Periodic Table have ads?

Neither Correct My Words! nor Periodic Table shows ads.

### Which is updated more often, Correct My Words! or Periodic Table?

Correct My Words! ships an update fortnightly, and Periodic Table every 8 days. Most recently, Correct My Words! was updated on October 19, 2026 and Periodic Table on October 17, 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.*