# CSDA vs Zeffy

The clearest difference is rating: CSDA at 5.0 against Zeffy's 2.9. CSDA also leads on iOS requirement (11.0 vs 15.1). Zeffy's advantage is ratings volume (49 vs 1) and device support. On price, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CSDA holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Zeffy has 49 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | CSDA | Zeffy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/csda/id1436495358/reviews)** | [2.9 (49 ratings)](https://appshunter.io/ios/app/zeffy/id1668842941/reviews) |
| Number of ratings | 1 | **49** |
| Positive reviews | — | 30.6% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Monetization | Free | Free |
| Size | 88 MB | 90 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Child Support Directors Association of California](https://appshunter.io/developer/1436495357) | [9355-0861 Quebec Inc](https://appshunter.io/developer/1668842943) |

## What reviewers say

### CSDA

[App page](https://appshunter.io/ios/app/csda/id1436495358)

This mobile event app allows users to access event materials, connect with speakers, attendees, and sponsors. Users can also save workshops to their schedule and review venue maps. For further assistance, contact communications@csdaca.org.

**Highlights:** Review download materials, Connect with speakers, attendees, and sponsors, Save workshops to schedule, Review location and venue maps

**In-app purchases:** none


### Zeffy

[App page](https://appshunter.io/ios/app/zeffy/id1668842941)

Transform your smartphone into a payment terminal for your nonprofit. Accept donations and sell tickets in person using major credit cards and mobile wallets. All donations go directly to your cause with no transaction fees.

**Highlights:** Accept credit cards and mobile payments, Sell event tickets in person, Collect donations in person, Zero transaction fees, Track all payments, Connect to Zeffy campaigns

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CSDA free?

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

### Is Zeffy free?

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

### Which has better reviews, CSDA or Zeffy?

CSDA is rated higher. CSDA averages 5.0 out of 5 from 1 ratings, while Zeffy averages 2.9 from 49 ratings.

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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.*