# iGradient vs ANCEL Echo

The clearest difference is review sentiment: iGradient at 94% against ANCEL Echo's 25%. iGradient also leads on rating (4.3 vs 3.3) and device support (3 vs 1). ANCEL Echo's advantage is price (Free vs $2.99) and update cadence (every 10 days vs every 6 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

ANCEL Echo is free to download; iGradient costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iGradient holds the better App Store score, 4.3 against 3.3. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 94% of iGradient's written reviews are positive against 25% of ANCEL Echo's.

iGradient ships an update every 6 months, ANCEL Echo every 10 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | iGradient | ANCEL Echo |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/igradient/id514399562/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/ancel-echo/id6504076958/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | **93.5% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 10 MB | 337 MB |
| Requires iOS | **9.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Perre](https://appshunter.io/developer/514399565) | [OBDSPACE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1434956144) |

## What reviewers say

### iGradient

[App page](https://appshunter.io/ios/app/igradient/id514399562)

This app uses your device's sensors to accurately measure any 2D angle. It intelligently detects orientation and provides readings in degrees, radians, or as a gradient. Ideal for various practical applications requiring precise angle measurements.

**Highlights:** Measures 2D angles, Intelligent orientation detection, Reads in degrees, radians, or gradient, Accurate to 1 degree, Switches between horizontal/vertical axis, Holds measurement, No calibration needed

**Features:** macOS Compatibility

**In-app purchases:** none


### ANCEL Echo

[App page](https://appshunter.io/ios/app/ancel-echo/id6504076958)

This app offers professional vehicle diagnostics, allowing users to check their car's health, identify malfunctions, and receive maintenance guidance. It provides real-time sensor data and AI services to help users understand and care for their vehicles, saving time and money on repairs.

**Highlights:** OBD functionality, Enhanced diagnosis, Vehicle maintenance guidance, Locate malfunction causes, Real-time sensor data monitoring, AI services, Abnormal warnings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iGradient free?

iGradient costs $2.99, with no in-app purchases.

### Is ANCEL Echo free?

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

### Which has better reviews, iGradient or ANCEL Echo?

iGradient is rated higher. iGradient averages 4.3 out of 5 from 7 ratings, while ANCEL Echo averages 3.3 from 6 ratings.

### Do iGradient or ANCEL Echo have ads?

Neither iGradient nor ANCEL Echo shows ads.

### Which is updated more often, iGradient or ANCEL Echo?

iGradient ships an update every 6 months, and ANCEL Echo every 10 days. Most recently, iGradient was updated on October 10, 2026 and ANCEL Echo on October 5, 2026.

---

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