# ScholarNotes vs (Open Source) Periodic Table

ScholarNotes and (Open Source) Periodic Table are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ScholarNotes ships an update every 2 weeks, (Open Source) Periodic Table fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | ScholarNotes | (Open Source) Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 5 MB | 47 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pei-Yu Lin](https://appshunter.io/developer/1762136332) | [AHMET EMRE DEDELER](https://appshunter.io/developer/1870913629) |

## What reviewers say

### ScholarNotes

[App page](https://appshunter.io/ios/app/scholarnotes/id6758234795)

**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 ScholarNotes free?

ScholarNotes 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 ScholarNotes or (Open Source) Periodic Table have ads?

Neither ScholarNotes nor (Open Source) Periodic Table shows ads.

### Which is updated more often, ScholarNotes or (Open Source) Periodic Table?

ScholarNotes ships an update every 2 weeks, and (Open Source) Periodic Table fortnightly. Most recently, ScholarNotes was updated on October 31, 2026 and (Open Source) Periodic Table on October 31, 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.*