# Phonics Digraphs Game vs Intergalactic Algebra

The clearest difference is price: Intergalactic Algebra at Free against Phonics Digraphs Game's $0.99. Intergalactic Algebra also leads on rating (4.8 vs 2.5) and update cadence (every 3 weeks vs every 3 months). Phonics Digraphs Game's advantage is in-app purchases (none vs 10) and iOS requirement (8.0 vs 13.0). On ads and device support there is nothing between them.

Intergalactic Algebra is free to download; Phonics Digraphs Game costs $0.99 up front. Intergalactic Algebra sells 10 one-off in-app purchases. Phonics Digraphs Game asks for nothing beyond the download.

Intergalactic Algebra holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

Phonics Digraphs Game ships an update every 3 months, Intergalactic Algebra every 3 weeks. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Phonics Digraphs Game | Intergalactic Algebra |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/phonics-digraphs-game/id1242194654/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/intergalactic-algebra/id1550524246/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 76 MB | 280 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Preschool Prep Company](https://appshunter.io/developer/337853855) | [Intergalactic Education LLC](https://appshunter.io/developer/1364648815) |

## What reviewers say

### Phonics Digraphs Game

[App page](https://appshunter.io/ios/app/phonics-digraphs-game/id1242194654)

This game helps young learners identify digraphs, which are two letters forming a single sound. Players hear a sound and guess the corresponding letter combination, with correct answers leading to fun video clips. It covers 13 essential digraphs taught in primary school.

**Highlights:** Digraph sound identification, Letter combination guessing, Fun video clips for correct answers, Covers 13 basic digraphs, Award-winning educational content

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

**In-app purchases:** none


### Intergalactic Algebra

[App page](https://appshunter.io/ios/app/intergalactic-algebra/id1550524246)

Engage with algebra through a collection of space-themed games. Solve mathematical problems to launch rockets and advance your skills. The app aligns with Common Core standards and offers optional reports for progress analysis.

**Highlights:** Algebraic problem-solving, Rocket launching gameplay, Common Core aligned math, Proficiency assessment, Optional progress reports, Rewarding gameplay

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Factoring Rocket Report | $2.99 | one-time |
| Functions Rocket Report | $2.99 | one-time |
| Addition Subtraction Report | $2.99 | one-time |
| Multiples of Ten Report | $2.99 | one-time |
| Num Of Solutions Report | $2.99 | one-time |
| Quadratics Rocket Report | $2.99 | one-time |
| Rates of Change Report | $2.99 | one-time |
| Word Problems Rocket Report | $2.99 | one-time |
| Rocket Trivia Rocket Report | $2.99 | one-time |
| Progressions Report | $2.99 | one-time |


## Frequently asked questions

### Is Phonics Digraphs Game free?

Phonics Digraphs Game costs $0.99, with no in-app purchases.

### Is Intergalactic Algebra free?

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

### Which has better reviews, Phonics Digraphs Game or Intergalactic Algebra?

Intergalactic Algebra is rated higher. Phonics Digraphs Game averages 2.5 out of 5 from 2 ratings, while Intergalactic Algebra averages 4.8 from 6 ratings.

### Do Phonics Digraphs Game or Intergalactic Algebra have ads?

Neither Phonics Digraphs Game nor Intergalactic Algebra shows ads.

### Which is updated more often, Phonics Digraphs Game or Intergalactic Algebra?

Phonics Digraphs Game ships an update every 3 months, and Intergalactic Algebra every 3 weeks. Most recently, Phonics Digraphs Game was updated on October 2, 2026 and Intergalactic Algebra on October 9, 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.*