# Shadow vs Postcardly

The clearest difference is iOS requirement: Shadow at 10.0 against Postcardly's 15.6. On price, update cadence, 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.

Shadow ships an update every 5 days, Postcardly every 3 days. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Shadow | Postcardly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 25 MB | 112 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ARINASHI, CO., LTD.](https://appshunter.io/developer/1500094143) | [Wenbin Guo](https://appshunter.io/developer/1896433905) |

## What reviewers say

### Shadow

[App page](https://appshunter.io/ios/app/shadow-speak-freely/id1449439148)

**In-app purchases:** none


### Postcardly

[App page](https://appshunter.io/ios/app/postcardly/id6767229993)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shadow free?

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

### Is Postcardly free?

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

### Do Shadow or Postcardly have ads?

Neither Shadow nor Postcardly shows ads.

### Which is updated more often, Shadow or Postcardly?

Shadow ships an update every 5 days, and Postcardly every 3 days. Most recently, Shadow was updated on October 3, 2026 and Postcardly on October 12, 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.*