# Cers IoT vs Angle Finder

The clearest difference is in-app purchases: Cers IoT at none against Angle Finder's 3. Cers IoT also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Angle Finder sells 3 in-app purchases, starting at $2.99 per 7 days. Cers IoT asks for nothing beyond the download.

Cers IoT ships an update every 2 months, Angle Finder every 3 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Cers IoT | Angle Finder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 46 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [(주)온전히](https://appshunter.io/developer/1591164615) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Cers IoT

[App page](https://appshunter.io/ios/app/cers-iot/id6761812425)

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

**In-app purchases:** none


### Angle Finder

[App page](https://appshunter.io/ios/app/angle-finder-inclinometer/id6772132620)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tilt Meter Weekly | $2.99 | per 7 days |
| Roof Pitch Yearly | $14.99 | per year |
| Picture Hanging Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Cers IoT free?

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

### Is Angle Finder free?

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

### Do Cers IoT or Angle Finder have ads?

Neither Cers IoT nor Angle Finder shows ads.

### Which is updated more often, Cers IoT or Angle Finder?

Cers IoT ships an update every 2 months, and Angle Finder every 3 months. Most recently, Cers IoT was updated on October 25, 2026 and Angle Finder on October 28, 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.*