# Dimo vs CallGuard

The clearest difference is price: Dimo at Free against CallGuard's $4.99. Dimo also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). CallGuard's advantage is update cadence (every 9 days vs every 18 months). On ads and in-app purchases there is nothing between them.

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

Dimo ships an update every 18 months, CallGuard every 9 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Dimo | CallGuard |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 9 days** |
| Monetization | — | Paid |
| Size | 40 MB | 4 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIMO DIAGNOSTIC](https://appshunter.io/developer/1648456040) | [Alexis Creuzot](https://appshunter.io/developer/650627813) |

## What reviewers say

### Dimo

[App page](https://appshunter.io/ios/app/dimo/id6443696976)

**Features:** macOS Compatibility

**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 Dimo free?

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

### Is CallGuard free?

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

### Do Dimo or CallGuard have ads?

Neither Dimo nor CallGuard shows ads.

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

Dimo ships an update every 18 months, and CallGuard every 9 days. Most recently, Dimo was updated on October 16, 2026 and CallGuard on October 24, 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.*