# Siriuschat vs Slowpost

The clearest difference is review sentiment: Slowpost at 100% against Siriuschat's 50%. Slowpost also leads on rating (5.0 vs 2.0) and update cadence (every 3 days vs monthly). Siriuschat's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 16.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Slowpost sells 1 one-off in-app purchase. Siriuschat asks for nothing beyond the download.

Slowpost holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 6 and 7 respectively. Written reviews point the same way: 50% of Siriuschat's written reviews are positive against 100% of Slowpost's.

Siriuschat ships an update monthly, Slowpost every 3 days. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Siriuschat | Slowpost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (6 ratings)](https://appshunter.io/ios/app/siriuschat/id1451711900/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/slowpost-a-letter-service/id6778758035/reviews)** |
| Number of ratings | 6 | **7** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 138 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KIDS SECURITY, TOO](https://appshunter.io/developer/1200281331) | [Summerhouse Holdings, LLC](https://appshunter.io/developer/6778067747) |

## What reviewers say

### Siriuschat

[App page](https://appshunter.io/ios/app/siriuschat/id1451711900)

This app allows children to communicate with their parents and family members through text or audio messages. It features quick message templates and an emergency "alarm" button to alert parents of a child's distress.

**Highlights:** Family communication, Text messaging, Audio messaging, Quick message templates, Emergency alarm button

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

**In-app purchases:** none


### Slowpost

[App page](https://appshunter.io/ios/app/slowpost-a-letter-service/id6778758035)

Compose and send virtual snail mail, with a focus on the joy of anticipation. Track physical letters and write to your future self. Enjoy a calm, curated experience with beautiful stationery and a unique postage system.

**Highlights:** Send virtual snail mail, Write to your future self, Track physical letters, Collect virtual postage, Beautiful stationery design, Calm and curated interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Midnight Mail | $1.99 | one-time |


## Frequently asked questions

### Is Siriuschat free?

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

### Is Slowpost free?

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

### Which has better reviews, Siriuschat or Slowpost?

Slowpost is rated higher. Siriuschat averages 2.0 out of 5 from 6 ratings, while Slowpost averages 5.0 from 7 ratings.

### Do Siriuschat or Slowpost have ads?

Neither Siriuschat nor Slowpost shows ads.

### Which is updated more often, Siriuschat or Slowpost?

Siriuschat ships an update monthly, and Slowpost every 3 days. Most recently, Siriuschat was updated on November 2, 2026 and Slowpost on November 10, 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.*