# Circle.ooo vs KepSecure

The clearest difference is in-app purchases: Circle.ooo at none against KepSecure's 2. Circle.ooo also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KepSecure sells 2 in-app purchases, starting at $0.99 per month. Circle.ooo asks for nothing beyond the download.

Circle.ooo ships an update weekly, KepSecure every 5 days. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Circle.ooo | KepSecure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 132 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Noww, Inc.](https://appshunter.io/developer/1275092398) | [Binary Computing LLC](https://appshunter.io/developer/1529166241) |

## What reviewers say

### Circle.ooo

[App page](https://appshunter.io/ios/app/circleooo/id1611956542)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### KepSecure

[App page](https://appshunter.io/ios/app/kepsecure/id6460936167)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Messaging Monthly Plan | $0.99 | per month |
| Ad-free Messaging Yearly Plan | $9.99 | per year |


## Frequently asked questions

### Is Circle.ooo free?

Circle.ooo is free to download, with no in-app purchases.

### Is KepSecure free?

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

### Do Circle.ooo or KepSecure have ads?

Neither Circle.ooo nor KepSecure shows ads.

### Which is updated more often, Circle.ooo or KepSecure?

Circle.ooo ships an update weekly, and KepSecure every 5 days. Most recently, Circle.ooo was updated on September 10, 2026 and KepSecure on September 22, 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.*