Comparison

PetRank vs Colossus Social Reader

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

Head to head
About

PetRank

Features
Read full description

Rank your pets by giving paws, be the Top Pet of the Day Join the global village of Kamki Universe Upload your pet and meet new friends Highlight your pet in daily Petathlon Challenges

About

Colossus Social Reader

Features
Read full description

Read Mastodon in your language. Free, ad-free, with on-device translation. An independent Mastodon reader that lets you read and reply to posts in other languages using manual or automatic translation powered by Apple Translation. Access your Home, Lists, Bookmarks, and Notifications timelines with fast updates, complete threads, and a new-post counter that preserves your position. Translation is native, processed on-device, and does not send text to external translation services. With Slow Mode, translation is prepared in the background and displayed when you tap the translation button. Customize your experience with Liquid Glass, Light, Dark, and Soft themes, plus a configurable accent color. Also included: • Navigable mentions and profiles, with a Follow button. • Native video and GIF player. • Image viewer with zoom and direct saving to Photos. • Selectable text. • Built-in or external browser. • Spanish and English localization. This is an independent, unofficial Mastodon client. Account creation is not supported. To use the app, sign in with an existing Mastodon account created at: https://joinmastodon.org End User License Agreement (EULA): https://juliocuesta.github.io/LectorDeMastodon/en/terms-of-service.html Privacy Policy: https://juliocuesta.github.io/LectorDeMastodon/en/privacy-policy.html

Screenshots

PetRank4 screens
Colossus Social Reader4 screens

Verdict

The call

The clearest difference is update cadence: PetRank at every 2 days against Colossus Social Reader's every 9 days. PetRank also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

PetRank ships an update every 2 days, Colossus Social Reader every 9 days. Both last shipped on October 24, 2026.

Scorecard2 real differences Ā· 4 level
PetRank versus Colossus Social Reader: the parameters behind the verdict, then further details
ParameterPetRankColossus Social Reader
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 9 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better26.0
Further details — not scored
Size34 MB129 MB
Age rating17+4+
DeveloperGoktug IslamogluJulio Cuesta

In-app purchases

None

PetRank

No in-app purchases

None

Colossus Social Reader

No in-app purchases

Questions

Is PetRank free?
PetRank is free to download, with no in-app purchases.
Is Colossus Social Reader free?
Colossus Social Reader is free to download, with no in-app purchases.
Do PetRank or Colossus Social Reader have ads?
Neither PetRank nor Colossus Social Reader shows ads.
Which is updated more often, PetRank or Colossus Social Reader?
PetRank ships an update every 2 days, and Colossus Social Reader every 9 days. Most recently, PetRank was updated on October 24, 2026 and Colossus Social Reader on October 24, 2026.

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