# Callan App vs GradRoots

The clearest difference is rating: GradRoots at 5.0 against Callan App's 1.0. GradRoots also leads on update cadence (fortnightly vs every 6 weeks). Callan App's advantage is iOS requirement (14.0 vs 16.4). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GradRoots holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Callan App ships an update every 6 weeks, GradRoots fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Callan App | GradRoots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/callan-app/id1099785360/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gradroots/id6759809960/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 22 MB | 58 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Callan Online Ltd](https://appshunter.io/developer/1099785359) | [Gradroots, Inc](https://appshunter.io/developer/1880798861) |

## What reviewers say

### Callan App

[App page](https://appshunter.io/ios/app/callan-app/id1099785360)

This app provides audiobooks and eBooks for students enrolled in Callan Accredited Schools. It offers practice areas for recording answers, dictations, and exercises to enhance language skills. Courses are available for General English, Business English, Children's English, and General Spanish.

**Highlights:** Audiobook and eBook access, Question and Answer recording, Dictation practice, Exercise testing, Multiple language courses

**Features:** macOS Compatibility

**In-app purchases:** none


### GradRoots

[App page](https://appshunter.io/ios/app/gradroots/id6759809960)

This AI-powered tool helps small teams boost productivity by managing donors and fundraising campaigns efficiently. It automates data entry from business cards and provides AI-assisted notes to keep everyone informed. Ideal for nonprofits and schools looking to scale their efforts without increasing staff.

**Highlights:** AI-powered contact info extraction from business cards, AI-assisted donor notes for context, Campaign creation and progress tracking, Donor management and linking, Secure data storage and organization switching

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

**In-app purchases:** none


## Frequently asked questions

### Is Callan App free?

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

### Is GradRoots free?

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

### Which has better reviews, Callan App or GradRoots?

GradRoots is rated higher. Callan App averages 1.0 out of 5 from 1 ratings, while GradRoots averages 5.0 from 1 ratings.

### Do Callan App or GradRoots have ads?

Neither Callan App nor GradRoots shows ads.

### Which is updated more often, Callan App or GradRoots?

Callan App ships an update every 6 weeks, and GradRoots fortnightly. Most recently, Callan App was updated on October 24, 2026 and GradRoots on October 7, 2026.

---

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