# Citizen Science vs Rongo

The clearest difference is review sentiment: Rongo at 75% against Citizen Science's 0%. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Citizen Science | Rongo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rongo/id1630758000/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **75.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 33 MB | 90 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NEW ZEALAND INSTITUTE FOR EARTH SCIENCE LIMITED](https://appshunter.io/developer/896687691) | [Te Reo Irirangi o Te Hiku o Te Ika](https://appshunter.io/developer/1551711188) |

## What reviewers say

### Citizen Science

[App page](https://appshunter.io/ios/app/citizen-science/id1439168937)

Contribute to real scientific research by easily entering data for various surveys. Participate in projects like snow depth measurement or storm assessment, with your submissions visible on a dedicated website. This platform allows researchers to utilize the growing data set for further scientific endeavors.

**Highlights:** Participate in scientific research projects, Easy data entry for surveys, Submit snow depth and storm assessments, View submissions on the website, Data accessible via API, Surveys can be restricted to user groups

**Features:** Vision Pro support

**In-app purchases:** none


### Rongo

[App page](https://appshunter.io/ios/app/rongo/id1630758000)

This app helps beginners practice speaking te reo Māori by focusing on pronunciation without the fear of judgment. It offers real-time feedback and guided practice through levels and phrases to build confidence and mastery of the language's sounds.

**Highlights:** Pronunciation practice, Real-time feedback, Guided learning levels, Phrase repetition, Confidence building, Focus on sounds

**In-app purchases:** none


## Frequently asked questions

### Is Citizen Science free?

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

### Is Rongo free?

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

### Do Citizen Science or Rongo have ads?

Neither Citizen Science nor Rongo shows ads.

### Which is updated more often, Citizen Science or Rongo?

Citizen Science ships an update every 2 months, and Rongo every 2 months. Most recently, Citizen Science was updated on November 11, 2026 and Rongo on November 12, 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.*