# ZeeOTP vs Thermal Kit

The clearest difference is update cadence: ZeeOTP at every 2 months against Thermal Kit's every 4 months. ZeeOTP also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZeeOTP ships an update every 2 months, Thermal Kit every 4 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ZeeOTP | Thermal Kit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 24 MB | 53 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZeeTim](https://appshunter.io/developer/1083422455) | [深圳市承恩热视科技有限公司](https://appshunter.io/developer/1700843354) |

## What reviewers say

### ZeeOTP

[App page](https://appshunter.io/ios/app/zeeotp/id1083422456)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thermal Kit

[App page](https://appshunter.io/ios/app/thermal-kit/id6504614889)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZeeOTP free?

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

### Is Thermal Kit free?

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

### Do ZeeOTP or Thermal Kit have ads?

Neither ZeeOTP nor Thermal Kit shows ads.

### Which is updated more often, ZeeOTP or Thermal Kit?

ZeeOTP ships an update every 2 months, and Thermal Kit every 4 months. Most recently, ZeeOTP was updated on October 26, 2026 and Thermal Kit on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*