# Radio Pulsars vs Make Chirps

The clearest difference is price: Make Chirps at Free against Radio Pulsars's $0.99. Make Chirps also leads on rating (5.0 vs 2.0) and update cadence (every 3 months vs every 8 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

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

Radio Pulsars ships an update every 8 months, Make Chirps every 3 months. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Radio Pulsars | Make Chirps |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/radio-pulsars/id1638448107/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/make-chirps/id6466780242/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 3 MB | 30 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [萌 于](https://appshunter.io/developer/1591520621) | [John Keith Riles](https://appshunter.io/developer/1746793092) |

## 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


### Make Chirps

[App page](https://appshunter.io/ios/app/make-chirps/id6466780242)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Radio Pulsars free?

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

### Is Make Chirps free?

Make Chirps is free to download, with no in-app purchases.

### Which has better reviews, Radio Pulsars or Make Chirps?

Make Chirps is rated higher. Radio Pulsars averages 2.0 out of 5 from 1 ratings, while Make Chirps averages 5.0 from 1 ratings.

### Do Radio Pulsars or Make Chirps have ads?

Neither Radio Pulsars nor Make Chirps shows ads.

### Which is updated more often, Radio Pulsars or Make Chirps?

Radio Pulsars ships an update every 8 months, and Make Chirps every 3 months. Most recently, Radio Pulsars was updated on October 10, 2026 and Make Chirps on October 24, 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.*