# OKbase vs CallGuard

The clearest difference is review sentiment: CallGuard at 100% against OKbase's 0%. CallGuard also leads on update cadence (every 9 days vs every 6 weeks). OKbase's advantage is price (Free vs $4.99) and iOS requirement (15.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

OKbase is free to download; CallGuard costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OKbase ships an update every 6 weeks, CallGuard every 9 days. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | OKbase | CallGuard |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Monetization | **Free** | Paid |
| Size | 31 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [OKsystem a.s.](https://appshunter.io/developer/569864941) | [Alexis Creuzot](https://appshunter.io/developer/650627813) |

## What reviewers say

### OKbase

[App page](https://appshunter.io/ios/app/okbase/id766747532)

This application allows current users of the OKbase time and attendance system to record their arrivals, departures, breaks, and other interruptions. It supports attendance tracking via NFC chips, home Wi-Fi network, or manual entry with automatic GPS coordinate logging. The system learns user habits to suggest the most frequent interruption types.

**Highlights:** Record arrivals and departures, Log breaks and interruptions, Track attendance via NFC, Wi-Fi network-based check-in, Manual entry with GPS logging, Self-learning interruption suggestions

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

**In-app purchases:** none


### CallGuard

[App page](https://appshunter.io/ios/app/callguard-spam-blocker/id6757877028)

This app blocks unwanted calls at the system level before your phone rings. You create custom blocking rules for exact numbers, ranges, or prefixes, with advanced features like visual range editing and overlap detection. Your contacts are always protected, and all data processing is local for maximum privacy.

**Highlights:** System-level call blocking, Customizable blocking rules, Visual range editor, Contact protection, Overlap detection, iCloud sync, Statistics dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is OKbase free?

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

### Is CallGuard free?

CallGuard costs $4.99, with no in-app purchases.

### Do OKbase or CallGuard have ads?

Neither OKbase nor CallGuard shows ads.

### Which is updated more often, OKbase or CallGuard?

OKbase ships an update every 6 weeks, and CallGuard every 9 days. Most recently, OKbase was updated on October 13, 2026 and CallGuard on October 21, 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.*