# Drops vs Citizen Science

The clearest difference is review sentiment: Drops at 75% against Citizen Science's 0%. Drops also leads on update cadence (every 8 days vs every 4 months) and chart position (#153 vs unranked). Citizen Science's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Drops sells 13 in-app purchases, starting at $7.99 per month. Citizen Science asks for nothing beyond the download.

Drops ships an update every 8 days, Citizen Science every 4 months. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Drops | Citizen Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (72K ratings)](https://appshunter.io/ios/app/drops-language-learning-games/id939540371/reviews)** | — |
| Number of ratings | **72K** | — |
| Positive reviews | **74.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#153** | — |
| Size | 198 MB | 34 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PLANB LABS OU](https://appshunter.io/developer/527215806) | [NEW ZEALAND INSTITUTE FOR EARTH SCIENCE LIMITED](https://appshunter.io/developer/896687691) |

## What reviewers say

### Drops

[App page](https://appshunter.io/ios/app/drops-language-learning-games/id939540371)

**Currently charting:** #153 Top Grossing · Education (US App Store)

Learn new languages through engaging games and visual aids. Practice vocabulary and common phrases in over 55 languages, from beginner to expert levels. Track progress, unlock achievements, and enjoy professionally curated lessons with native speaker pronunciations.

**Highlights:** Gamified vocabulary learning, Visual learning aids, 55+ language options, Progress tracking and rewards, Native speaker pronunciations, Customizable learning goals

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Genius for a month | $7.99 | per month |
| Premium | $9.99 | per month |
| Premium | $11.99 | per month |
| Premium | $14.99 | per month |
| Curious for a month | $22.99 | per month |
| Holiday premium! | $39.99 | per year |
| Premium | $62.99 | per year |
| Premium | $69.99 | per year |
| All Language Learning Plans | $69.99 | per year |
| Premium | $79.99 | per year |
| Premium | $89.99 | per year |
| Premium | $99.99 | per year |
| Unlimited time for all Languages! | $59.99 | one-time |

**What reviewers like**

- 🚀 Vocabulary learning
- 👍 Unique and engaging learning activities
- 👍 Wide range of languages
- 👍 Customizable learning experience
- 👍 Effective for building vocabulary

**What reviewers complain about**

- 🐛 Inaccurate translations or pronunciations
- 🔒 Subscription model issues
- 👎 Limited to vocabulary, lacks grammar/sentence structure
- 👎 Repetitive and not enough variety in exercises

**Reported bugs**

- Login issues and lost progress
- Crashes and performance problems

**Requested features**

- Add more grammar and sentence-level learning
- Improve accuracy of translations and pronunciations
- Provide more flexibility in time limits and review sessions
- Integrate more conversational practice
- Improve user interface and navigation


### 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 facilitates public involvement in scientific discovery and data collection.

**Highlights:** Public data entry for scientific surveys, Variety of seasonal and year-round projects, View submissions on the Citizen Science website, Data usable by professional and amateur researchers, Surveys can be restricted to specific user groups, Data accessible via comprehensive API

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Drops free?

Drops is free to download, with in-app purchases available.

### Is Citizen Science free?

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

### Do Drops or Citizen Science have ads?

Drops shows ads; Citizen Science does not.

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

Drops ships an update every 8 days, and Citizen Science every 4 months. Most recently, Drops was updated on October 19, 2026 and Citizen Science on October 16, 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.*