# Device Lens vs Warming up

The clearest difference is in-app purchases: Device Lens at none against Warming up's 1. Device Lens also leads on iOS requirement (13.0 vs 16.0). Warming up's advantage is ads (none vs shown) and update cadence (every 4 weeks vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Warming up sells 1 one-off in-app purchase. Device Lens asks for nothing beyond the download.

Device Lens ships an update every 5 months, Warming up every 4 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Device Lens | Warming up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/device-lens/id1524448186/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Ad-supported | — |
| Size | 40 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [功侠 隗](https://appshunter.io/developer/1438342973) | [David Ring](https://appshunter.io/developer/1671336524) |

## What reviewers say

### Device Lens

[App page](https://appshunter.io/ios/app/device-lens/id1524448186)

Access detailed information about your device's CPU, memory, battery, network, and screen. It also checks for security risks in your operating environment and supports long screenshots. Compatible with iPhone 12 series devices.

**Highlights:** Device information (CPU, memory, battery, network, screen), Security risk detection, iPhone 12 series support, One-click long screenshot

**Features:** macOS Compatibility

**In-app purchases:** none


### Warming up

[App page](https://appshunter.io/ios/app/warming-up/id1671336522)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All fun | $0.99 | one-time |


## Frequently asked questions

### Is Device Lens free?

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

### Is Warming up free?

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

### Do Device Lens or Warming up have ads?

Device Lens shows ads; Warming up does not.

### Which is updated more often, Device Lens or Warming up?

Device Lens ships an update every 5 months, and Warming up every 4 weeks. Most recently, Device Lens was updated on November 3, 2026 and Warming up on November 3, 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.*