# One Second Challenge vs Perfect Circle

The clearest difference is in-app purchases: One Second Challenge at none against Perfect Circle's 7. One Second Challenge also leads on ads (none vs shown). Perfect Circle's advantage is update cadence (every 4 days vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Perfect Circle sells 7 one-off in-app purchases. One Second Challenge asks for nothing beyond the download.

One Second Challenge ships an update every 6 weeks, Perfect Circle every 4 days. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | One Second Challenge | Perfect Circle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/perfect-circle-one-tap/id6789331984/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 23 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [THEJ KUMAR SIDDHOTAM ARULRAJ](https://appshunter.io/developer/1781177167) | [Dominion Labs Inc.](https://appshunter.io/developer/1842772577) |

## What reviewers say

### One Second Challenge

[App page](https://appshunter.io/ios/app/one-second-challenge/id6768998129)

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

**In-app purchases:** none


### Perfect Circle

[App page](https://appshunter.io/ios/app/perfect-circle-one-tap/id6789331984)

A minimalist game of precision and rhythm where players tap at the exact moment a dot enters a moving gate. Chain perfect taps to increase your score multiplier and aim for high scores. Unlock new cosmetic items and utilize power-ups to aid your progress.

**Highlights:** One-tap gameplay, Perfect-streak multiplier, Unlockable skins, Power-ups, Daily challenges, High score chasing, Clean design

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Handful of Coins | $0.99 | one-time |
| Coin Pouch | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Starter Bundle | $2.99 | one-time |
| Bag of Coins | $4.99 | one-time |
| Coin Vault | $9.99 | one-time |
| Coins Chest | $19.99 | one-time |


## Frequently asked questions

### Is One Second Challenge free?

One Second Challenge is free to download, with no in-app purchases.

### Is Perfect Circle free?

Perfect Circle is free to download, with in-app purchases available.

### Do One Second Challenge or Perfect Circle have ads?

Perfect Circle shows ads; One Second Challenge does not.

### Which is updated more often, One Second Challenge or Perfect Circle?

One Second Challenge ships an update every 6 weeks, and Perfect Circle every 4 days. Most recently, One Second Challenge was updated on September 29, 2026 and Perfect Circle on October 11, 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.*