# Periodic Table vs DafTracker

The clearest difference is in-app purchases: DafTracker at none against Periodic Table's 10. Periodic Table's advantage is update cadence (every 6 days vs every 3 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Periodic Table sells 8 in-app purchases, starting at $0.99 per month. DafTracker asks for nothing beyond the download.

Periodic Table ships an update every 6 days, DafTracker every 3 weeks. The most recent releases landed on November 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Periodic Table | DafTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5.5K ratings)](https://appshunter.io/ios/app/periodic-table-chemistry-2026/id1451726577/reviews)** | — |
| Number of ratings | **5.5K** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 152 MB | 3 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Chernykh](https://appshunter.io/developer/1448243728) | [Dean Rubin](https://appshunter.io/developer/6788694929) |

## What reviewers say

### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-chemistry-2026/id1451726577)

This app makes chemistry accessible and engaging with interactive tools and clear explanations. It offers detailed element information, isotope data, a molar mass calculator, and a comprehensive chemistry dictionary. Designed for students, educators, and enthusiasts, it presents complex concepts beautifully and efficiently.

**Highlights:** Interactive Periodic Table with filters, Detailed Element Cards, 3300+ Isotopes database, Molar Mass Calculator, Chemistry Dictionary, Reactions & Equations explanations, Solubility chart and orbital models

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional: 1 Month | $0.99 | per month |
| Professional: 6 Months | $3.99 | per 6 months |
| Professional: 6 Months | $3.99 | per 6 months |
| Professional: 1 Year | $6.99 | per year |
| Professional: 1 Year | $6.99 | per year |
| Professional: 1 Year | $14.99 | per year |
| Professional: Unlimited | $14.99 | one-time |
| Professional: Unlimited | $24.99 | one-time |

**What reviewers like**

- 🚀 Great app for chemistry learning
- 👍 Useful information and features
- 💡 Includes theoretical elements
- 🚀 Efficient and easy to use
- 👍 Helpful for students and professionals

**What reviewers complain about**

- 🐛 Some inaccuracies in element data
- 🔒 Paid version required for full functionality
- 🔒 Certain features locked behind paywall

**Reported bugs**

- Widget shows incorrect element positions
- Electron configuration information missing for some elements

**Requested features**

- Add Arabic language support
- Improve search functionality
- Allow full periodic table view
- Add pronunciation for element names
- Include more physical constants and data


### DafTracker

[App page](https://appshunter.io/ios/app/daftracker/id6792347167)

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

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table free?

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

### Is DafTracker free?

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

### Do Periodic Table or DafTracker have ads?

Neither Periodic Table nor DafTracker shows ads.

### Which is updated more often, Periodic Table or DafTracker?

Periodic Table ships an update every 6 days, and DafTracker every 3 weeks. Most recently, Periodic Table was updated on November 6, 2026 and DafTracker on October 25, 2026.

---

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