# On vs Word Oasis

The clearest difference is price: Word Oasis at Free against On's $0.99. Word Oasis also leads on update cadence (every 3 weeks vs every 25 months). On's advantage is ads (none vs shown) and iOS requirement (9.0 vs 15.0). On rating, ratings volume, in-app purchases and device support there is nothing between them.

Word Oasis is free to download; On costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for On against 5.0 for Word Oasis. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

On ships an update every 25 months, Word Oasis every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | On | Word Oasis |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/on-core-sudoku/id287314682/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/word-oasis/id6745223728/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | Paid | **Ad-supported** |
| Size | 11 MB | 118 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [On-Core Software LLC](https://appshunter.io/developer/283621364) | [Clint Johnson](https://appshunter.io/developer/1065291619) |

## What reviewers say

### On

[App page](https://appshunter.io/ios/app/on-core-sudoku/id287314682)

Challenge your mind with this classic number puzzle. Solve nine-by-nine grids with adjustable difficulty and helpful tools like error checking and pencil marking. Enjoy endless unique puzzles and track your progress.

**Highlights:** Randomly generated puzzles, Three difficulty levels plus custom, Error checking, Annotations (pencil marking), Undo/Redo moves, Auto-save functionality, Custom game input

**Features:** Vision Pro support

**In-app purchases:** none


### Word Oasis

[App page](https://appshunter.io/ios/app/word-oasis/id6745223728)

Challenge your mind with word puzzles that blend beautiful themes and brain-teasing challenges. Solve puzzles using anagrams, synonyms, and rhymes to discover secret words. Earn coins for hints and customize your game with gorgeous themes.

**Highlights:** Solve puzzles with anagrams, rhymes, and synonyms, Unlock and customize beautiful themes, Earn coins for hints, Replay previous levels, Relaxing music and sounds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is On free?

On costs $0.99, with no in-app purchases.

### Is Word Oasis free?

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

### Which has better reviews, On or Word Oasis?

On and Word Oasis are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do On or Word Oasis have ads?

Word Oasis shows ads; On does not.

### Which is updated more often, On or Word Oasis?

On ships an update every 25 months, and Word Oasis every 3 weeks. Most recently, On was updated on November 6, 2026 and Word Oasis on October 30, 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.*