# OneClock vs invsi

The clearest difference is monetization model: invsi at freemium against OneClock's subscription. invsi also leads on update cadence (fortnightly vs every 3 months) and review sentiment (100% vs 83%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. OneClock sells 2 in-app purchases, starting at $0.99 per month and invsi sells 4 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

invsi holds the better App Store score, 4.1 against 3.9. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews point the same way: 83% of OneClock's written reviews are positive against 100% of invsi's.

OneClock ships an update every 3 months, invsi fortnightly. Both last shipped on September 30, 2026.

## The numbers

| Metric | OneClock | invsi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357/reviews) | **[4.1 (8 ratings)](https://appshunter.io/ios/app/invsi/id6444667120/reviews)** |
| Number of ratings | **9** | 8 |
| Positive reviews | 83.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Subscription | **Freemium** |
| Size | 11 MB | 26 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) | [新坤 杨](https://appshunter.io/developer/1655993145) |

## What reviewers say

### OneClock

[App page](https://appshunter.io/ios/app/oneclock-a-simple-flip-clock/id1257395357)

This app offers a variety of customizable clock styles for desktop and mobile devices. Enjoy features like adjustable display modes, font customization, and transparency settings, with multiple clock designs available.

**Highlights:** Multiple clock styles (Flip, Digital, Dial), Desktop display on macOS, Customizable font and transparency, Portrait and landscape modes, Screen not quenching, Home screen and widget support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


### invsi

[App page](https://appshunter.io/ios/app/invsi/id6444667120)

This app helps parents manage their children's device usage by controlling screen time and blocking inappropriate content. It offers a local-only experience with no ads or registration, prioritizing user privacy.

**Highlights:** Screen time management, Content blocking, No advertisements, Local data storage, No registration required, Premium features via subscription

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $0.99 | per month |
| Invsi PRO (Annual) | $4.99 | per year |
| Unlock Application Icon | $0.99 | one-time |
| Lifetime PRO | $14.99 | one-time |


## Frequently asked questions

### Is OneClock free?

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

### Is invsi free?

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

### Which has better reviews, OneClock or invsi?

invsi is rated higher. OneClock averages 3.9 out of 5 from 9 ratings, while invsi averages 4.1 from 8 ratings.

### Do OneClock or invsi have ads?

Neither OneClock nor invsi shows ads.

### Which is updated more often, OneClock or invsi?

OneClock ships an update every 3 months, and invsi fortnightly. Most recently, OneClock was updated on September 30, 2026 and invsi on September 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.*