# UDevice vs CertWarden

The clearest difference is price: CertWarden at Free against UDevice's $4.99. CertWarden also leads on update cadence (daily vs monthly). UDevice's advantage is in-app purchases (none vs 1) and chart position (#30 vs unranked). On ads, device support and iOS requirement there is nothing between them.

CertWarden is free to download; UDevice costs $4.99 up front. CertWarden sells 1 one-off in-app purchase. UDevice asks for nothing beyond the download.

UDevice ships an update monthly, CertWarden daily. The most recent releases landed on November 13, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | UDevice | CertWarden |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/udevice-dev-assistant/id1608053878/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Best chart rank | **#30** | — |
| Size | 163 MB | 1 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gansu Zhenxian Network Technology Co., Ltd.](https://appshunter.io/developer/1616881226) | [Ismail Perim](https://appshunter.io/developer/1844106060) |

## What reviewers say

### UDevice

[App page](https://appshunter.io/ios/app/udevice-dev-assistant/id1608053878)

**Currently charting:** #30 Top Paid · Developer Tools, #172 Top Grossing · Developer Tools (US App Store)

This app offers a comprehensive suite of developer and testing tools. It includes network utilities like HTTP(s) capture and DNS parsing, alongside system information and file management capabilities. Ideal for development, testing, and device management.

**Highlights:** HTTP(s) Capture/Rewrite, SSH and Terminal access, Python3 interpreter, Cookie editing, Network utilities (Ping, DNS, Traceroute, Port Scan), File manager, Device fingerprinting and system info

**Features:** macOS Compatibility, Safari Extension, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### CertWarden

[App page](https://appshunter.io/ios/app/certwarden-ssl-expiry-tracker/id6759068656)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertWarden Pro (Lifetime) | $4.99 | one-time |


## Frequently asked questions

### Is UDevice free?

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

### Is CertWarden free?

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

### Do UDevice or CertWarden have ads?

Neither UDevice nor CertWarden shows ads.

### Which is updated more often, UDevice or CertWarden?

UDevice ships an update monthly, and CertWarden daily. Most recently, UDevice was updated on November 13, 2026 and CertWarden on November 9, 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.*