Comparison

Siriuschat vs Slowpost

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Siriuschat

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
Read full description

Sirius chat - the app for kids! The app will give you an opportunity to communicate with the parent, you can connect even the whole family at once - and mom, and dad, and grandparents! Instead of long conversations on the phone, send a message in the chat, so that your parents will not worry. Create samples of quick messages that are convenient for you! Do you not like to text? Record an audio message! If you suddenly get into an emergency situation the "Send the alarm" button in our application will help you! Press it if you're scared or you need help and your parents will immediately see a message about it and will be able to help you!

About

Slowpost

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
Read full description

In a world that won't stop buzzing, Slowpost is mail worth waiting for. Write real letters, send them slow, and rediscover the quiet joy of anticipation. WHAT IS SLOWPOST? Slowpost is your all-in-one hub for snail mail. Compose heartfelt virtual letters that take their sweet time to arrive, keep track of the physical letters you send out into the real world, and slow down to the pace of something that lasts. No noise. No pressure. Just words worth waiting for. SEND VIRTUAL SNAIL MAIL Write a letter, seal it, and send it on its way. It won't land in a blink — and that's the point. The waiting is the magic, and the arrival is the gift. WRITE TO YOUR FUTURE SELF Seal a time capsule today and let it find you days, weeks, months, or a year, from now. A little letter from past you to future you, delivered exactly when it's meant to be. KEEP TRACK OF YOUR REAL LETTERS Still mailing things the old-fashioned way? Log them, follow them, and keep your whole correspondence — virtual and physical — gathered in one calm place. COLLECT YOUR POSTAGE Earn stamps, watch your stamp pouch fill, and let the simple ritual of checking your mail each day become a small, steady comfort. A WORLD WITH SOUL Soft colors, beautiful stationery, and a snail courier who always — always — gets there. Slowpost is made for people who believe some things are better savored than rushed. Slow down. Write something real. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Siriuschat2 screens
Slowpost3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard6 real differences · 4 level
Siriuschat versus Slowpost: the parameters behind the verdict, then further details
ParameterSiriuschatSlowpost
PriceFreeFree
Rating2.0 (6 ratings)5.0 (7 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings67 — better
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.0 — better16.4
Further details — not scored
Size19 MB138 MB
Age rating4+12+
DeveloperKIDS SECURITY, TOOSummerhouse Holdings, LLC

Customer experience

Siriuschat

All ratings6 ratings
Positive16.7%
Neutral16.7%
Negative66.7%
Written reviews8 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Slowpost

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Siriuschat

No in-app purchases

1 purchases

Slowpost

One-time1
  • Midnight Mail$1.99

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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