Comparison

Polyreader vs Litterbox

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

Head to head

Read the post, skip the site

Free

🔧 Utilities

★ 4.19 ratingsView app →

About

Polyreader

Features

Read full description

The official app and Safari extension for Polyreader, the send-to-Kindle service. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

Litterbox

This Safari extension allows you to view individual posts from a social media platform without navigating to the full website. It opens links in a pop-up window for quick viewing and does not share your browsing data.

Highlights

View posts in pop-up windows
Avoids visiting the full website
Uses official API
Protects user cookies
Identifies viewable links

Features

Read full description

Litterbox is a Safari extension that opens x.com links in a popup so you can read the one post and leave. - It uses the same API that powers their embed widgets. - It never sends your cookies. - The openable links are marked with a small dot.

Screenshots

Polyreader2 screens

Litterbox2 screens

Verdict

The call

The clearest difference is in-app purchases: Litterbox at none against Polyreader's 1. Litterbox also leads on update cadence (every 8 days vs monthly). On price, ads, device support and iOS requirement 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. Polyreader sells 1 in-app purchase, starting at $1.99 per month. Litterbox asks for nothing beyond the download.

UpkeepUpdate frequency

Polyreader ships an update monthly, Litterbox every 8 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level

Polyreader versus Litterbox: the parameters behind the verdict, then further details
Parameter	Polyreader	Litterbox
Price	Free	Free
Rating	—	4.1 (9 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	9 — better
Update frequency	Monthly	Every 8 days — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	—	Free
Devices	iPhone, iPad, Mac	iPhone, iPad, Mac
Requires iOS	17.6 — better	18.0
Further details — not scored
Size	4 MB	1 MB
Age rating	4+	4+
Developer	Naftali Beder	And a Dinosaur

In-app purchases

1 purchases

Polyreader

Subscriptions1

Premium$1.991 Month

None

Litterbox

No in-app purchases

Questions

Is Polyreader free?

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

Is Litterbox free?

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

Do Polyreader or Litterbox have ads?

Neither Polyreader nor Litterbox shows ads.

Which is updated more often, Polyreader or Litterbox?

Polyreader ships an update monthly, and Litterbox every 8 days. Most recently, Polyreader was updated on October 7, 2026 and Litterbox on October 11, 2026.