# ECHO Application vs NudgeMath

The clearest difference is update cadence: NudgeMath at every 3 weeks against ECHO Application's every 12 months. 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.

ECHO Application ships an update every 12 months, NudgeMath every 3 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ECHO Application | NudgeMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/nudgemath/id6739328770/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 43 MB | 105 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Vaidya](https://appshunter.io/developer/1514064236) | [Padma Pichumani](https://appshunter.io/developer/1758622263) |

## What reviewers say

### ECHO Application

[App page](https://appshunter.io/ios/app/echo-application/id6471488790)

**Features:** macOS Compatibility

**In-app purchases:** none


### NudgeMath

[App page](https://appshunter.io/ios/app/nudgemath/id6739328770)

This app provides step-by-step math practice for students in grades 4-6, aligning with major educational curricula. It offers interactive tools and just-in-time hints to foster deep understanding and independent problem-solving.

**Highlights:** Step-by-step math problem solving, Aligned with Common Core, CBSE, ICSE, Cambridge, Visual and interactive math tools, Just-in-time hints and feedback, Progress reports for parents and teachers, Complete topic coverage for grades 4-6

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECHO Application free?

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

### Is NudgeMath free?

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

### Do ECHO Application or NudgeMath have ads?

Neither ECHO Application nor NudgeMath shows ads.

### Which is updated more often, ECHO Application or NudgeMath?

ECHO Application ships an update every 12 months, and NudgeMath every 3 weeks. Most recently, ECHO Application was updated on October 5, 2026 and NudgeMath on October 1, 2026.

---

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