# KickStartCheckIn vs Mail With Relay

The clearest difference is update cadence: KickStartCheckIn at every 2 months against Mail With Relay's every 15 months. Mail With Relay's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

KickStartCheckIn ships an update every 2 months, Mail With Relay every 15 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KickStartCheckIn | Mail With Relay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Size | 15 MB | 37 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ncompass Marketing](https://appshunter.io/developer/504399304) | [Daniel Riera](https://appshunter.io/developer/1724640551) |

## What reviewers say

### KickStartCheckIn

[App page](https://appshunter.io/ios/app/kickstartcheckin/id6448921582)

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

**In-app purchases:** none


### Mail With Relay

[App page](https://appshunter.io/ios/app/mail-with-relay/id6478345740)

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

**In-app purchases:** none


## Frequently asked questions

### Is KickStartCheckIn free?

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

### Is Mail With Relay free?

Mail With Relay is free to download, with no in-app purchases.

### Do KickStartCheckIn or Mail With Relay have ads?

Neither KickStartCheckIn nor Mail With Relay shows ads.

### Which is updated more often, KickStartCheckIn or Mail With Relay?

KickStartCheckIn ships an update every 2 months, and Mail With Relay every 15 months. Most recently, KickStartCheckIn was updated on October 30, 2026 and Mail With Relay 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.*