# ∞ Sudoku ∞ vs Days until my birthday

The clearest difference is review sentiment: Days until my birthday at 48% against ∞ Sudoku ∞'s 0%. Days until my birthday also leads on price ($0.99 vs $4.99) and ratings volume (26 vs 2). ∞ Sudoku ∞'s advantage is rating (4.5 vs 3.3) and update cadence (every 11 months vs every 53 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

∞ Sudoku ∞ costs $4.99 and Days until my birthday $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

∞ Sudoku ∞ holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Days until my birthday has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 0% of ∞ Sudoku ∞'s written reviews are positive against 48% of Days until my birthday's, so the app with the better star average is not the one people write more warmly about.

∞ Sudoku ∞ ships an update every 11 months, Days until my birthday every 53 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | ∞ Sudoku ∞ | Days until my birthday |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sudoku/id625720673/reviews)** | [3.3 (26 ratings)](https://appshunter.io/ios/app/days-until-my-birthday/id627831738/reviews) |
| Number of ratings | 2 | **26** |
| Positive reviews | 0.0% of reviews | **48.3% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 11 months** | Every 53 months |
| Monetization | Paid | **Ad-supported** |
| Size | 13 MB | 26 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oscar Tsang](https://appshunter.io/developer/416987065) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### ∞ Sudoku ∞

[App page](https://appshunter.io/ios/app/sudoku/id625720673)

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

**In-app purchases:** none


### Days until my birthday

[App page](https://appshunter.io/ios/app/days-until-my-birthday/id627831738)

This app helps you track the days remaining until your birthday with personalized insights. It offers a countdown, zodiac information, and fun games to enjoy while you wait for your special day.

**Highlights:** Birthday countdown, Personalized insights (zodiac, birthstone), Milestone tracking, Simple games included, Private data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is ∞ Sudoku ∞ free?

∞ Sudoku ∞ costs $4.99, with no in-app purchases.

### Is Days until my birthday free?

Days until my birthday costs $0.99, with no in-app purchases.

### Which has better reviews, ∞ Sudoku ∞ or Days until my birthday?

∞ Sudoku ∞ is rated higher. ∞ Sudoku ∞ averages 4.5 out of 5 from 2 ratings, while Days until my birthday averages 3.3 from 26 ratings.

### Do ∞ Sudoku ∞ or Days until my birthday have ads?

Both ∞ Sudoku ∞ and Days until my birthday show ads.

### Which is updated more often, ∞ Sudoku ∞ or Days until my birthday?

∞ Sudoku ∞ ships an update every 11 months, and Days until my birthday every 53 months. Most recently, ∞ Sudoku ∞ was updated on October 23, 2026 and Days until my birthday on October 23, 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.*