# Radio Pulsars vs Science World Academy

The clearest difference is price: Science World Academy at Free against Radio Pulsars's $0.99. Radio Pulsars's advantage is in-app purchases (none vs 10). On update cadence, ads, device support and iOS requirement there is nothing between them.

Science World Academy is free to download; Radio Pulsars costs $0.99 up front. Science World Academy sells 10 one-off in-app purchases. Radio Pulsars asks for nothing beyond the download.

Radio Pulsars ships an update every 8 months, Science World Academy every 13 months. The most recent releases landed on November 9, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Radio Pulsars | Science World Academy |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/radio-pulsars/id1638448107/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 13 months |
| Monetization | Paid | — |
| Size | 3 MB | 146 MB |
| Requires iOS | **15.2** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [萌 于](https://appshunter.io/developer/1591520621) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### 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


### Science World Academy

[App page](https://appshunter.io/ios/app/science-world-academy/id6468564603)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - 20900 | $199.99 | one-time |
| Package - 27900 | $299.99 | one-time |
| Package - 34900 | $349.99 | one-time |
| Package - 39900 | $399.99 | one-time |
| Package - 44900 | $449.99 | one-time |
| Package - 54900 | $499.99 | one-time |
| Package - 59900 | $599.99 | one-time |
| Package - 69900 | $699.99 | one-time |
| Package - 79900 | $799.99 | one-time |
| Package - 89900 | $899.99 | one-time |


## Frequently asked questions

### Is Radio Pulsars free?

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

### Is Science World Academy free?

Science World Academy is free to download, with in-app purchases available.

### Do Radio Pulsars or Science World Academy have ads?

Neither Radio Pulsars nor Science World Academy shows ads.

### Which is updated more often, Radio Pulsars or Science World Academy?

Radio Pulsars ships an update every 8 months, and Science World Academy every 13 months. Most recently, Radio Pulsars was updated on November 9, 2026 and Science World Academy on November 7, 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.*