# Rd4 vs Saymail

The clearest difference is in-app purchases: Rd4 at none against Saymail's 8. Rd4 also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Saymail sells 8 in-app purchases, starting at $3.99 per month. Rd4 asks for nothing beyond the download.

Rd4 ships an update every 2 months, Saymail every 5 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Rd4 | Saymail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/rd4-app/id591598067/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 39 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rd4-afvalapp](https://appshunter.io/developer/591598110) | [Rene Rijbroek](https://appshunter.io/developer/1755185569) |

## What reviewers say

### Rd4

[App page](https://appshunter.io/ios/app/rd4-app/id591598067)

This app provides residents of specific Dutch municipalities with essential waste management information. It includes a personal collection calendar, reminders, a waste separation guide, and a digital pass for recycling centers. Stay informed about news and contact support easily.

**Highlights:** Personal waste calendar, Container pickup reminders, Waste separation guide, Digital recycling center pass, News and notifications, Report illegal dumping

**In-app purchases:** none


### Saymail

[App page](https://appshunter.io/ios/app/saymail-ai-email-client/id6787761731)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Sync Monthly | $3.99 | per month |
| Cloud Sync Yearly | $35.00 | per year |
| 500 Cloud Credits | $3.99 | one-time |
| 1,000 Cloud Credits | $7.99 | one-time |
| 2,000 Cloud Credits | $9.99 | one-time |
| 5,000 Cloud Credits | $14.99 | one-time |
| 10,000 Cloud Credits | $19.99 | one-time |
| BYO-LLM Upgrade | $24.99 | one-time |


## Frequently asked questions

### Is Rd4 free?

Rd4 is free to download, with no in-app purchases.

### Is Saymail free?

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

### Do Rd4 or Saymail have ads?

Neither Rd4 nor Saymail shows ads.

### Which is updated more often, Rd4 or Saymail?

Rd4 ships an update every 2 months, and Saymail every 5 weeks. Most recently, Rd4 was updated on October 29, 2026 and Saymail on October 25, 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.*