# Comtek 8900A MassageChair vs Warrantify

The clearest difference is in-app purchases: Comtek 8900A MassageChair at none against Warrantify's 3. Comtek 8900A MassageChair also leads on ads (none vs shown) and iOS requirement (7.1 vs 15.1). Warrantify's advantage is update cadence (weekly vs every 6 months). On price and device support there is nothing between them.

Both are free to download. Warrantify sells 3 in-app purchases, starting at $1.99 per month. Comtek 8900A MassageChair asks for nothing beyond the download.

Comtek 8900A MassageChair ships an update every 6 months, Warrantify weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Comtek 8900A MassageChair | Warrantify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Size | 14 MB | 59 MB |
| Requires iOS | **7.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Kangtai Intelligent Technology Co., Ltd](https://appshunter.io/developer/1286202723) | [ILYAS OZSARAC](https://appshunter.io/developer/1831588489) |

## What reviewers say

### Comtek 8900A MassageChair

[App page](https://appshunter.io/ios/app/comtek-8900a-massagechair/id1130855315)

**Features:** macOS Compatibility

**In-app purchases:** none


### Warrantify

[App page](https://appshunter.io/ios/app/warrantify-warranty-tracker/id6749649028)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Montly Premium Subscription | $1.99 | per month |
| Yearly Premium Subscription | $14.99 | per year |
| Lifetime premium access | $24.99 | one-time |


## Frequently asked questions

### Is Comtek 8900A MassageChair free?

Comtek 8900A MassageChair is free to download, with no in-app purchases.

### Is Warrantify free?

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

### Do Comtek 8900A MassageChair or Warrantify have ads?

Warrantify shows ads; Comtek 8900A MassageChair does not.

### Which is updated more often, Comtek 8900A MassageChair or Warrantify?

Comtek 8900A MassageChair ships an update every 6 months, and Warrantify weekly. Most recently, Comtek 8900A MassageChair was updated on November 2, 2026 and Warrantify on October 30, 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.*