# Optiki Prime vs Circle timer

The clearest difference is price: Optiki Prime at Free against Circle timer's $0.99. Optiki Prime also leads on iOS requirement (12.0 vs 14.4). Circle timer's advantage is update cadence (every 4 days vs every 15 months). On ads, in-app purchases and device support there is nothing between them.

Optiki Prime is free to download; Circle timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Optiki Prime ships an update every 15 months, Circle timer every 4 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Optiki Prime | Circle timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 4 days** |
| Size | 20 MB | 1 MB |
| Requires iOS | **12.0** | 14.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [KiLax Limited](https://appshunter.io/developer/1375390711) | [hideo nakamura](https://appshunter.io/developer/1242808811) |

## What reviewers say

### Optiki Prime

[App page](https://appshunter.io/ios/app/optiki-prime/id1508285641)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Circle timer

[App page](https://appshunter.io/ios/app/circle-timer-pie-chart-timer/id6686403808)

**In-app purchases:** none


## Frequently asked questions

### Is Optiki Prime free?

Optiki Prime is free to download, with no in-app purchases.

### Is Circle timer free?

Circle timer costs $0.99, with no in-app purchases.

### Do Optiki Prime or Circle timer have ads?

Neither Optiki Prime nor Circle timer shows ads.

### Which is updated more often, Optiki Prime or Circle timer?

Optiki Prime ships an update every 15 months, and Circle timer every 4 days. Most recently, Optiki Prime was updated on October 10, 2026 and Circle timer on October 5, 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.*