# Strings Conferences vs Radio Pulsars

The clearest difference is price: Strings Conferences at Free against Radio Pulsars's $0.99. Strings Conferences also leads on rating (5.0 vs 2.0) and ratings volume (3 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Strings Conferences is free to download; Radio Pulsars costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Strings Conferences holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Strings Conferences ships an update every 11 months, Radio Pulsars every 8 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Strings Conferences | Radio Pulsars |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/strings-conferences/id448664822/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/radio-pulsars/id1638448107/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 8 months** |
| Monetization | **Free** | Paid |
| Size | 2 MB | 3 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuji Tachikawa](https://appshunter.io/developer/378764358) | [萌 于](https://appshunter.io/developer/1591520621) |

## 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


### Radio Pulsars

[App page](https://appshunter.io/ios/app/radio-pulsars/id1638448107)

Explore the universe of pulsars with this app, which turns your iPhone into a virtual radio telescope. Discover and observe 85 unique pulsars, including glitching ones and famous celestial objects, offering an engaging educational experience for astronomy enthusiasts.

**Highlights:** Virtual radio telescope simulation, Observe 85 unique pulsars, Learn about glitching pulsars, Explore iconic pulsar examples, Educational astronomy content, iPhone and iPod Touch compatible

**In-app purchases:** none


## Frequently asked questions

### Is Strings Conferences free?

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

### Is Radio Pulsars free?

Radio Pulsars costs $0.99, with no in-app purchases.

### Which has better reviews, Strings Conferences or Radio Pulsars?

Strings Conferences is rated higher. Strings Conferences averages 5.0 out of 5 from 3 ratings, while Radio Pulsars averages 2.0 from 1 ratings.

### Do Strings Conferences or Radio Pulsars have ads?

Neither Strings Conferences nor Radio Pulsars shows ads.

### Which is updated more often, Strings Conferences or Radio Pulsars?

Strings Conferences ships an update every 11 months, and Radio Pulsars every 8 months. Most recently, Strings Conferences was updated on November 1, 2026 and Radio Pulsars on November 3, 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.*