# NudgeMath vs CaliBridge

The clearest difference is in-app purchases: NudgeMath at none against CaliBridge's 1. NudgeMath also leads on update cadence (every 3 weeks vs every 8 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CaliBridge sells 1 one-off in-app purchase. NudgeMath asks for nothing beyond the download.

NudgeMath ships an update every 3 weeks, CaliBridge every 8 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NudgeMath | CaliBridge |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 105 MB | 84 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Padma Pichumani](https://appshunter.io/developer/1758622263) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### 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


### CaliBridge

[App page](https://appshunter.io/ios/app/calibridge/id6742110804)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Financial Freedom Roadmap | $49.99 | one-time |


## Frequently asked questions

### Is NudgeMath free?

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

### Is CaliBridge free?

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

### Do NudgeMath or CaliBridge have ads?

Neither NudgeMath nor CaliBridge shows ads.

### Which is updated more often, NudgeMath or CaliBridge?

NudgeMath ships an update every 3 weeks, and CaliBridge every 8 months. Most recently, NudgeMath was updated on October 16, 2026 and CaliBridge on October 24, 2026.

---

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