# Strings Conferences vs Quarked! Mass Matters

The clearest difference is update cadence: Strings Conferences at every 11 months against Quarked! Mass Matters's every 49 months. Strings Conferences also leads on ratings volume (3 vs 1). Quarked! Mass Matters's advantage is iOS requirement (10.0 vs 12.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Strings Conferences against 5.0 for Quarked! Mass Matters. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Strings Conferences ships an update every 11 months, Quarked! Mass Matters every 49 months. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Strings Conferences | Quarked! Mass Matters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/strings-conferences/id448664822/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/quarked-mass-matters/id1224737112/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 49 months |
| Monetization | Free | Free |
| Size | 2 MB | 73 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [The University of Kansas](https://appshunter.io/developer/726307325) |

## What reviewers say

### Strings Conferences

[App page](https://appshunter.io/ios/app/strings-conferences/id448664822)

Explore two decades of String Theory progress through conference slides. Easily navigate presentations from 1998 to 2025 on your iPad.

**Highlights:** Access conference slides, Navigate presentations, String Theory content, Historical data (1998-2025), iPad optimized

**Features:** macOS Compatibility

**In-app purchases:** none


### Quarked! Mass Matters

[App page](https://appshunter.io/ios/app/quarked-mass-matters/id1224737112)

Engage in a physics-based adventure to discover particle mass by shooting them through the Higgs field. Then, explore underwater challenges involving density, time limits, and avoiding sea creatures.

**Highlights:** Particle mass determination, Higgs field interaction, Underwater density challenges, Time-based gameplay, Sea creature avoidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strings Conferences free?

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

### Is Quarked! Mass Matters free?

Quarked! Mass Matters is free to download, with no in-app purchases.

### Which has better reviews, Strings Conferences or Quarked! Mass Matters?

Strings Conferences and Quarked! Mass Matters are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Strings Conferences or Quarked! Mass Matters have ads?

Neither Strings Conferences nor Quarked! Mass Matters shows ads.

### Which is updated more often, Strings Conferences or Quarked! Mass Matters?

Strings Conferences ships an update every 11 months, and Quarked! Mass Matters every 49 months. Most recently, Strings Conferences was updated on October 10, 2026 and Quarked! Mass Matters on October 23, 2026.

---

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