# Goldbach's Conjecture Math vs (Open Source) Periodic Table

The clearest difference is update cadence: Goldbach's Conjecture Math at weekly against (Open Source) Periodic Table's fortnightly. (Open Source) Periodic Table's advantage is iOS requirement (16.4 vs 26.0). On price, ads, 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.

Goldbach's Conjecture Math ships an update weekly, (Open Source) Periodic Table fortnightly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Goldbach's Conjecture Math | (Open Source) Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 2 MB | 47 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OANA RINALDI](https://appshunter.io/developer/1709880614) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### Goldbach's Conjecture Math

[App page](https://appshunter.io/ios/app/goldbachs-conjecture-math/id6753913944)

**Features:** macOS Compatibility

**In-app purchases:** none


### (Open Source) Periodic Table

[App page](https://appshunter.io/ios/app/open-source-periodic-table/id6781818611)

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

**In-app purchases:** none


## Frequently asked questions

### Is Goldbach's Conjecture Math free?

Goldbach's Conjecture Math is free to download, with no in-app purchases.

### Is (Open Source) Periodic Table free?

(Open Source) Periodic Table is free to download, with no in-app purchases.

### Do Goldbach's Conjecture Math or (Open Source) Periodic Table have ads?

Neither Goldbach's Conjecture Math nor (Open Source) Periodic Table shows ads.

### Which is updated more often, Goldbach's Conjecture Math or (Open Source) Periodic Table?

Goldbach's Conjecture Math ships an update weekly, and (Open Source) Periodic Table fortnightly. Most recently, Goldbach's Conjecture Math was updated on October 8, 2026 and (Open Source) Periodic Table on October 5, 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.*