# RSVP + vs ECC Summit

The clearest difference is update cadence: RSVP + at every 4 weeks against ECC Summit's every 29 months. ECC Summit's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

RSVP + ships an update every 4 weeks, ECC Summit every 29 months. The most recent releases landed on December 21, 2025 and September 15, 2026 respectively.

## The numbers

| Metric | RSVP + | ECC Summit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 29 months |
| Size | 31 MB | 44 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Issue Magazine](https://appshunter.io/developer/978466298) | [Environmental Chemical Corp.](https://appshunter.io/developer/1521481680) |

## What reviewers say

### RSVP +

[App page](https://appshunter.io/ios/app/rsvp/id978466299)

**Features:** macOS Compatibility

**In-app purchases:** none


### ECC Summit

[App page](https://appshunter.io/ios/app/ecc-summit/id6452040877)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RSVP + free?

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

### Is ECC Summit free?

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

### Do RSVP + or ECC Summit have ads?

Neither RSVP + nor ECC Summit shows ads.

### Which is updated more often, RSVP + or ECC Summit?

RSVP + ships an update every 4 weeks, and ECC Summit every 29 months. Most recently, RSVP + was updated on December 21, 2025 and ECC Summit on September 15, 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.*