# Airdog X vs Callme Timer

The clearest difference is in-app purchases: Airdog X at none against Callme Timer's 1. Airdog X also leads on iOS requirement (10.0 vs 16). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Callme Timer sells 1 one-off in-app purchase. Airdog X asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 21, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Airdog X | Callme Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (44 ratings)](https://appshunter.io/ios/app/airdog-x/id1279622342/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 50 MB | 4 MB |
| Requires iOS | **10.0** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [BeiAngTech](https://appshunter.io/developer/891633937) | [胜荇 杨](https://appshunter.io/developer/1868445802) |

## What reviewers say

### Airdog X

[App page](https://appshunter.io/ios/app/airdog-x/id1279622342)

Control your Airdog air purifier remotely via WiFi. Monitor and manage your device's settings and air quality from your smartphone. Compatible with all Airdog purifiers featuring WiFi mode and the FitAir system.

**Highlights:** WiFi control, Remote monitoring, Device management, FitAir support

**Features:** macOS Compatibility

**In-app purchases:** none


### Callme Timer

[App page](https://appshunter.io/ios/app/callme-timer/id6758228672)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro lifetime | $0.99 | one-time |


## Frequently asked questions

### Is Airdog X free?

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

### Is Callme Timer free?

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

### Do Airdog X or Callme Timer have ads?

Neither Airdog X nor Callme Timer shows ads.

### Which is updated more often, Airdog X or Callme Timer?

Airdog X ships an update monthly, and Callme Timer monthly. Most recently, Airdog X was updated on October 21, 2026 and Callme Timer on October 2, 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.*