# mPing vs HamStudy.org

The clearest difference is price: mPing at Free against HamStudy.org's $3.99. mPing also leads on iOS requirement (12.0 vs 16.4). HamStudy.org's advantage is rating (4.9 vs 4.0) and review sentiment (94% vs 56%). On ads, in-app purchases, monetization model and device support there is nothing between them.

mPing is free to download; HamStudy.org costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HamStudy.org holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: HamStudy.org has 2.7K ratings behind it against 154, so its average is the more settled of the two. Written reviews point the same way: 56% of mPing's written reviews are positive against 94% of HamStudy.org's.

mPing ships an update every 6 months, HamStudy.org every 3 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | mPing | HamStudy.org |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.0 (154 ratings)](https://appshunter.io/ios/app/mping/id584383400/reviews) | **[4.9 (2.7K ratings)](https://appshunter.io/ios/app/hamstudyorg/id1371288324/reviews)** |
| Number of ratings | 154 | **2.7K** |
| Positive reviews | 56.3% of reviews | **93.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#5** |
| Size | 9 MB | 30 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [University of Oklahoma (Information Technology)](https://appshunter.io/developer/326922841) | [Signal Stuff](https://appshunter.io/developer/1371288323) |

## What reviewers say

### mPing

[App page](https://appshunter.io/ios/app/mping/id584383400)

Become a citizen scientist and help researchers study severe weather by reporting precipitation types. Your observations contribute to improving weather detection algorithms and understanding precipitation patterns.

**Highlights:** Report precipitation types, Contribute to weather research, Track winter precipitation, Report hail size, Provide ground-truth data, View radar data comparison

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Useful for citizen science
- 👍 Helpful for NWS
- 👍 Fun to participate
- 🚀 Quick and easy reporting

**What reviewers complain about**

- 🐛 App no longer works
- 🐛 Reports fail constantly
- 🐛 App freezes
- 🐛 Lagging when choosing report type
- 🐛 Useless for consumers

**Reported bugs**

- App not working after iPhone update
- App no longer works (iOS 26.2)
- App doesn't work well with new iPhones
- Reports fail constantly
- Big lagging when choosing type of report

**Requested features**

- Option to report 'snow' alone
- Add funnel and wall cloud reports
- Add wind report system (tornadic and storm)
- Add thunder/lightning reporting
- Add earthquake reporting


### HamStudy.org

[App page](https://appshunter.io/ios/app/hamstudyorg/id1371288324)

**Currently charting:** #5 Top Paid · Education, #60 Top Paid (US App Store)

This app offers an intelligent study mode that tracks your progress and focuses on areas where you struggle. It allows you to tailor your study to specific chapters and topics from license manuals, with explanations for difficult questions. Practice exams are also available.

**Highlights:** Intelligent study algorithms, Vetted user-submitted explanations, Infinite practice exams, Study all US Amateur Radio question pools, International question pools, Multi-user support, Cross-device progress sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great study tool
- 👍 Easy to use
- 🚀 Efficient way to prepare for exams
- 🚀 Comprehensive coverage of exam material
- 👍 Helpful explanations and hints

**What reviewers complain about**

- 🐛 Occasional app freezes
- 👎 Some explanations could be clearer
- 🔋 Battery drain when using app extensively

**Reported bugs**

- Email support not working
- Occasional freezing or crashing

**Requested features**

- Dark mode option
- Ability to clear test history
- More detailed performance analytics
- Spell out acronyms and define technical terms


## Frequently asked questions

### Is mPing free?

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

### Is HamStudy.org free?

HamStudy.org costs $3.99, with no in-app purchases.

### Which has better reviews, mPing or HamStudy.org?

HamStudy.org is rated higher. mPing averages 4.0 out of 5 from 154 ratings, while HamStudy.org averages 4.9 from 2.7K ratings.

### Do mPing or HamStudy.org have ads?

Neither mPing nor HamStudy.org shows ads.

### Which is updated more often, mPing or HamStudy.org?

mPing ships an update every 6 months, and HamStudy.org every 3 weeks. Most recently, mPing was updated on October 9, 2026 and HamStudy.org 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.*