Comparison

∞ Sudoku ∞ vs Life on Io

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

Head to head
About

∞ Sudoku ∞

This application offers a dynamic Sudoku experience with an infinite number of puzzles. It features auto-save functionality and five distinct difficulty levels to challenge players of all skill sets. Enjoy endless Sudoku fun on your iOS devices.

Highlights
  • Dynamically generating puzzles
  • Auto save
  • Five difficulty levels
  • Infinite gameplay
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Dynamic generating Sudoku game Features: - Auto save - Five difficulty level Try it!

About

Life on Io

Explore AI-generated images and videos of newly discovered life forms on planet Io. Learn about species like Tardigrades and Ctenophora through an interactive visual experience. Features include slideshows and custom widgets.

Highlights
  • Discover known life forms on Io
  • View AI-generated photos and videos
  • Learn about specific species
  • Autoplay slideshow mode
  • Custom photo widgets
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Life on Io explores all known life forms found on planet Io. Experience the first species discovered on planet Io during the biological survey of 2090. Introducing Ctenophora, Hydrozoa, Pteropoda, Scyphomedusae, Siphonophora, Tunicata and the lovable Tardigrade. Explore the photos and videos of all these species. Also includes an autoplay slideshow mode and custom photo widgets. All images and videos are AI generated content.

Screenshots

∞ Sudoku ∞3 screens
Life on Io4 screens

Verdict

The call

The clearest difference is review sentiment: Life on Io at 100% against ∞ Sudoku ∞'s 0%. Life on Io also leads on ads (none vs shown) and price ($0.99 vs $4.99). ∞ Sudoku ∞'s advantage is rating (4.5 vs 3.0) and iOS requirement (16.6 vs 26.0). On ratings volume, in-app purchases and monetization model 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

∞ Sudoku ∞ costs $4.99 and Life on Io $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

∞ Sudoku ∞ holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 0% of ∞ Sudoku ∞'s written reviews are positive against 100% of Life on Io's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

∞ Sudoku ∞ ships an update every 11 months, Life on Io every 4 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard7 real differences · 3 level
∞ Sudoku ∞ versus Life on Io: the parameters behind the verdict, then further details
Parameter∞ Sudoku ∞Life on Io
Price$4.99$0.99 — better
Rating4.5 (2 ratings) — better3.0 (2 ratings)
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 11 monthsEvery 4 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, Mac, Apple TV, Vision Pro — better
Requires iOS16.6 — better26.0
Further details — not scored
Size13 MB1.6 GB
Age rating4+4+
DeveloperOscar TsangPieter Hartzenberg

Customer experience

∞ Sudoku ∞

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Life on Io

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

∞ Sudoku ∞

No in-app purchases

None

Life on Io

No in-app purchases

Questions

Is ∞ Sudoku ∞ free?
∞ Sudoku ∞ costs $4.99, with no in-app purchases.
Is Life on Io free?
Life on Io costs $0.99, with no in-app purchases.
Which has better reviews, ∞ Sudoku ∞ or Life on Io?
∞ Sudoku ∞ is rated higher. ∞ Sudoku ∞ averages 4.5 out of 5 from 2 ratings, while Life on Io averages 3.0 from 2 ratings.
Do ∞ Sudoku ∞ or Life on Io have ads?
∞ Sudoku ∞ shows ads; Life on Io does not.
Which is updated more often, ∞ Sudoku ∞ or Life on Io?
∞ Sudoku ∞ ships an update every 11 months, and Life on Io every 4 months. Most recently, ∞ Sudoku ∞ was updated on November 1, 2026 and Life on Io on November 5, 2026.

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