# Academia.edu vs CENTA® for Teachers

The clearest difference is in-app purchases: Academia.edu at none against CENTA® for Teachers's 10. Academia.edu also leads on ratings volume (17K vs 17) and iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. CENTA® for Teachers sells 10 in-app purchases, starting at $12.99 per year. Academia.edu asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Academia.edu against 4.7 for CENTA® for Teachers. That said, the two scores are not equally well evidenced: Academia.edu has 17K ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 74% of Academia.edu's written reviews are positive against 75% of CENTA® for Teachers's.

Academia.edu ships an update every 2 weeks, CENTA® for Teachers every 8 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Academia.edu | CENTA® for Teachers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (17K ratings)](https://appshunter.io/ios/app/academiaedu/id1385234213/reviews)** | [4.7 (17 ratings)](https://appshunter.io/ios/app/centa-for-teachers/id6450893643/reviews) |
| Number of ratings | **17K** | 17 |
| Positive reviews | 73.8% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 143 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Academia.edu](https://appshunter.io/developer/1385234212) | [CENTA](https://appshunter.io/developer/1695552429) |

## What reviewers say

### Academia.edu

[App page](https://appshunter.io/ios/app/academiaedu/id1385234213)

Access a vast library of open-access research papers on your mobile device. Discover new studies, track mentions and readership of your work, and connect with fellow scholars. Explore millions of academic papers on diverse topics.

**Highlights:** Discover and read research, Save research papers, Track mentions and readership, Search scholarly topics, Connect with scholars, View colleague activity

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Helpful for research and learning
- 📚 Comprehensive academic resources
- 🔍 Useful for finding relevant papers
- 🌐 Connects researchers globally
- 💡 Innovative academic platform

**What reviewers complain about**

- 💰 Sudden price increase for Premium
- 🔍 Unintuitive search and navigation
- 🔒 Sign-in issues and frequent log-outs
- 📤 Unwanted notifications and emails
- 🔍 Difficult to access full papers without subscription

**Reported bugs**

- PDF files not loading properly
- Crashing and freezing issues
- Inconsistent behavior across platforms

**Requested features**

- Landscape mode support
- Improved search and filtering options
- Ability to bookmark and organize papers
- Better integration with other research tools
- More transparent pricing and subscription options


### CENTA® for Teachers

[App page](https://appshunter.io/ios/app/centa-for-teachers/id6450893643)

Enhance your teaching career with professional development, career opportunities, and a global community. Access over 1000 learning resources, get certified, and track your progress. Connect with educators worldwide.

**Highlights:** Teaching competency certification and assessment, Career opportunities and rewards, 1000+ curated learning resources, Global teacher community, Personalized learning recommendations, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CENTA Plus Special Price | $12.99 | per year |
| CENTA Plus | $14.99 | per year |
| CENTA AI Tier 3 | $0.99 | one-time |
| CENTA AI Tier 2 | $1.99 | one-time |
| CENTA AI Tier 1 | $4.99 | one-time |
| Subscription Product Tier 4 | $5.99 | one-time |
| Subscription Product Tier 5 | $7.99 | one-time |
| CENTA AI Tier 4 | $9.99 | one-time |
| Subscription Product Tier 14 | $12.99 | one-time |
| Learning Product Tier 14 | $12.99 | one-time |


## Frequently asked questions

### Is Academia.edu free?

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

### Is CENTA® for Teachers free?

CENTA® for Teachers is free to download, with in-app purchases available.

### Which has better reviews, Academia.edu or CENTA® for Teachers?

Academia.edu is rated higher. Academia.edu averages 4.8 out of 5 from 17K ratings, while CENTA® for Teachers averages 4.7 from 17 ratings.

### Do Academia.edu or CENTA® for Teachers have ads?

Neither Academia.edu nor CENTA® for Teachers shows ads.

### Which is updated more often, Academia.edu or CENTA® for Teachers?

Academia.edu ships an update every 2 weeks, and CENTA® for Teachers every 8 days. Most recently, Academia.edu was updated on November 6, 2026 and CENTA® for Teachers on November 3, 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.*