# Night in the Library vs 20COM

The clearest difference is update cadence: 20COM at every 2 days against Night in the Library's every 2 weeks. Night in the Library's advantage is iOS requirement (9.0 vs 13.0). 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.

Night in the Library ships an update every 2 weeks, 20COM every 2 days. The most recent releases landed on November 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Night in the Library | 20COM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/night-in-the-library/id1493249358/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 15 MB | 61 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brooklyn Public Library](https://appshunter.io/developer/1159769406) | [BISAG N](https://appshunter.io/developer/1584333584) |

## What reviewers say

### Night in the Library

[App page](https://appshunter.io/ios/app/night-in-the-library/id1493249358)

Experience an overnight festival of ideas featuring talks, panels, workshops, and performances. This edition explores the philosophy of mathematics, its fundamental role in various aspects of life, and related paradoxes. Engage with concepts of truth and proof in a unique intellectual gathering.

**Highlights:** Talks and panels, Interactive workshops, Live performances, Exploration of mathematical philosophy, Celebration of free-flowing ideas

**Features:** macOS Compatibility

**In-app purchases:** none


### 20COM

[App page](https://appshunter.io/ios/app/20com/id6755234612)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Night in the Library free?

Night in the Library is free to download, with no in-app purchases.

### Is 20COM free?

20COM is free to download, with no in-app purchases.

### Do Night in the Library or 20COM have ads?

Neither Night in the Library nor 20COM shows ads.

### Which is updated more often, Night in the Library or 20COM?

Night in the Library ships an update every 2 weeks, and 20COM every 2 days. Most recently, Night in the Library was updated on November 3, 2026 and 20COM on October 14, 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.*