# Phonics Inventory vs iCalc Champions

The clearest difference is rating: iCalc Champions at 4.9 against Phonics Inventory's 3.0. iCalc Champions also leads on update cadence (every 4 days vs every 4 months) and ratings volume (12 vs 1). Phonics Inventory's advantage is iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

iCalc Champions holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: iCalc Champions has 12 ratings behind it against 1, so its average is the more settled of the two.

Phonics Inventory ships an update every 4 months, iCalc Champions every 4 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Phonics Inventory | iCalc Champions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/phonics-inventory/id899200953/reviews) | **[4.9 (12 ratings)](https://appshunter.io/ios/app/icalc-champions-basic-math/id1544688547/reviews)** |
| Number of ratings | 1 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 28 MB | 14 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Houghton Mifflin Harcourt](https://appshunter.io/developer/409368007) | [Jake Elrod](https://appshunter.io/developer/365336355) |

## What reviewers say

### Phonics Inventory

[App page](https://appshunter.io/ios/app/phonics-inventory/id899200953)

This digital tool assesses reading fluency and foundational skills for students in grades 3-12+. It measures decoding, sight word recognition, and letter recognition quickly and efficiently. The assessment can be used for universal screening, intervention placement, and progress monitoring.

**Highlights:** Measures decoding and sight word fluency, Assesses letter recognition, Tracks reading progress, Universal screening, Intervention placement, Administered on iPads

**Features:** macOS Compatibility

**In-app purchases:** none


### iCalc Champions

[App page](https://appshunter.io/ios/app/icalc-champions-basic-math/id1544688547)

This educational app adapts to your math skill level, increasing problem difficulty as you improve. It offers contextually relevant video explanations for any problem you find challenging.

**Highlights:** Adaptive difficulty levels, Video explanations for problems, Arithmetic practice, Geometry practice, Progressive skill challenge

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

**In-app purchases:** none


## Frequently asked questions

### Is Phonics Inventory free?

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

### Is iCalc Champions free?

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

### Which has better reviews, Phonics Inventory or iCalc Champions?

iCalc Champions is rated higher. Phonics Inventory averages 3.0 out of 5 from 1 ratings, while iCalc Champions averages 4.9 from 12 ratings.

### Do Phonics Inventory or iCalc Champions have ads?

Neither Phonics Inventory nor iCalc Champions shows ads.

### Which is updated more often, Phonics Inventory or iCalc Champions?

Phonics Inventory ships an update every 4 months, and iCalc Champions every 4 days. Most recently, Phonics Inventory was updated on October 4, 2026 and iCalc Champions on October 7, 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.*