# SIMSONAIR vs CallApp

The clearest difference is rating: CallApp at 4.6 against SIMSONAIR's 3.1. CallApp also leads on update cadence (fortnightly vs every 5 months) and ratings volume (791 vs 12). SIMSONAIR's advantage is in-app purchases (none vs 13) and iOS requirement (12.0 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. CallApp sells 8 in-app purchases, starting at $6.99 per month. SIMSONAIR asks for nothing beyond the download.

CallApp holds the better App Store score, 4.6 against 3.1. That said, the two scores are not equally well evidenced: CallApp has 791 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 33% of SIMSONAIR's written reviews are positive against 53% of CallApp's.

SIMSONAIR ships an update every 5 months, CallApp fortnightly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SIMSONAIR | CallApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (12 ratings)](https://appshunter.io/ios/app/simsonair/id6738784787/reviews) | **[4.6 (791 ratings)](https://appshunter.io/ios/app/callapp/id6739289261/reviews)** |
| Number of ratings | 12 | **791** |
| Positive reviews | 33.3% of reviews | **52.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 225 MB | 251 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) | [CallApp](https://appshunter.io/developer/1784700170) |

## What reviewers say

### SIMSONAIR

[App page](https://appshunter.io/ios/app/simsonair/id6738784787)

This intelligent health app syncs with a Bluetooth watch to monitor daily activities, track exercise, and analyze sleep patterns. It offers personalized fitness plans and guidance to help users achieve a healthier lifestyle. The application supports multiple languages and is designed for ease of use.

**Highlights:** Bluetooth watch connectivity, Exercise tracking, Sleep monitoring, Personalized fitness plans, Activity recording, Multi-language support

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

**In-app purchases:** none


### CallApp

[App page](https://appshunter.io/ios/app/callapp/id6739289261)

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

**Highlights:** Advanced caller ID, Identify unknown numbers, Block spam calls, Global number database, Privacy and security focused, Unwanted call protection

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Yearly | $29.99 | per year |
| Yearly | $29.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $59.99 | per year |


## Frequently asked questions

### Is SIMSONAIR free?

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

### Is CallApp free?

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

### Which has better reviews, SIMSONAIR or CallApp?

CallApp is rated higher. SIMSONAIR averages 3.1 out of 5 from 12 ratings, while CallApp averages 4.6 from 791 ratings.

### Do SIMSONAIR or CallApp have ads?

Both SIMSONAIR and CallApp show ads.

### Which is updated more often, SIMSONAIR or CallApp?

SIMSONAIR ships an update every 5 months, and CallApp fortnightly. Most recently, SIMSONAIR was updated on October 4, 2026 and CallApp on October 13, 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.*