# Phase Spur vs One Is Odd

The clearest difference is ads: Phase Spur at none against One Is Odd's shown. Phase Spur also leads on monetization model (free vs free with in-app purchases). One Is Odd's advantage is update cadence (every 10 days vs every 6 months) and ratings volume (4 vs 1). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Phase Spur sells 3 one-off in-app purchases and One Is Odd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Phase Spur against 5.0 for One Is Odd. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Phase Spur ships an update every 6 months, One Is Odd every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Phase Spur | One Is Odd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/phase-spur-puzzle-game/id1230836012/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/one-is-odd/id1660806446/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 115 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VISHTEK STUDIOS LLP](https://appshunter.io/developer/1230836011) | [Richard Chapman](https://appshunter.io/developer/435328057) |

## What reviewers say

### Phase Spur

[App page](https://appshunter.io/ios/app/phase-spur-puzzle-game/id1230836012)

Engage your mind with a unique reverse match-3 puzzle game featuring adorable creatures. Solve challenging levels by arranging no more than two creatures in a line to make them happy. Offers two distinct game modes and a dynamic difficulty system for endless brain-training fun.

**Highlights:** Unique reverse match 3 gameplay, Two game modes: Classic and Challenge, 156 levels across both modes, Game Center leaderboards and achievements, Dynamic difficulty adjustment, Family-friendly and brain-training, Optimized for iPad

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Unlimited Skips | $1.99 | one-time |
| Premium Pack | $2.99 | one-time |


### One Is Odd

[App page](https://appshunter.io/ios/app/one-is-odd/id1660806446)

Challenge your observation skills by finding the unique item among a set of similar objects. With numerous themes and levels, the game offers a fresh experience each time. Compete with others on leaderboards or play at your own pace.

**Highlights:** Variety of themes, Challenging levels, Moving items, Game Center leaderboards, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 40 Themes & No Ads | $1.99 | one-time |


## Frequently asked questions

### Is Phase Spur free?

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

### Is One Is Odd free?

One Is Odd is free to download, with in-app purchases available.

### Which has better reviews, Phase Spur or One Is Odd?

Phase Spur and One Is Odd are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Phase Spur or One Is Odd have ads?

One Is Odd shows ads; Phase Spur does not.

### Which is updated more often, Phase Spur or One Is Odd?

Phase Spur ships an update every 6 months, and One Is Odd every 10 days. Most recently, Phase Spur was updated on November 2, 2026 and One Is Odd on November 3, 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.*