# Brainblast vs Clef Trainer Grid

The clearest difference is price: Brainblast at Free against Clef Trainer Grid's $2.99. Brainblast also leads on ratings volume (570 vs 12) and chart position (#106 vs unranked). Clef Trainer Grid's advantage is in-app purchases (none vs 12) and ads (none vs shown). On device support there is nothing between them.

Brainblast is free to download; Clef Trainer Grid costs $2.99 up front. Brainblast sells 12 in-app purchases, starting at $9.99 per 7 days. Clef Trainer Grid asks for nothing beyond the download.

Clef Trainer Grid holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Brainblast has 570 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 65% of Brainblast's written reviews are positive against 83% of Clef Trainer Grid's.

Brainblast ships an update every 3 days, Clef Trainer Grid daily. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Brainblast | Clef Trainer Grid |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.7 (570 ratings)](https://appshunter.io/ios/app/brainblast-sat-prep-game/id6744460293/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721/reviews)** |
| Number of ratings | **570** | 12 |
| Positive reviews | 65.4% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Daily** |
| Monetization | **Ad-supported** | Paid |
| Best chart rank | **#106** | — |
| Size | 325 MB | 3 MB |
| Requires iOS | 18.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Brainblast](https://appshunter.io/developer/1807809361) | [John Andersen](https://appshunter.io/developer/1829819109) |

## What reviewers say

### Brainblast

[App page](https://appshunter.io/ios/app/brainblast-sat-prep-game/id6744460293)

**Currently charting:** #106 Top Free · Education (US App Store)

This app transforms SAT math practice into an engaging, competitive game. Battle opponents in real-time using SAT-style questions, improving speed and accuracy to boost your score. Track progress, analyze weak areas, and climb leaderboards to achieve your target score.

**Highlights:** Real-time multiplayer battles, SAT-style math questions, Speed and accuracy scoring, Progress tracking, Topic analysis, Live leaderboards

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brainblast Pro - Weekly | $9.99 | per 7 days |
| Brainblast Pro - Monthly | $29.00 | per month |
| Brainblast Pro - Yearly | $107.99 | per year |
| 1200 Gems | $1.99 | one-time |
| 3000 Gems | $9.99 | one-time |
| 6500 Gems | $19.99 | one-time |
| Renew Brainblast Pro - 60 Days | $40.00 | one-time |
| Renew Brainblast Pro - 180 Days | $60.00 | one-time |
| Renew Brainblast Pro - 360 Days | $80.00 | one-time |
| Brainblast Pro - 30 Days | $99.00 | one-time |
| Brainblast Pro - 90 Days | $149.00 | one-time |
| Brainblast Pro - 180 Days | $199.00 | one-time |


### Clef Trainer Grid

[App page](https://appshunter.io/ios/app/clef-trainer-grid/id6749281721)

Master sheet music reading across multiple clefs. Practice note input via touch, MIDI keyboard, or microphone. Features a unique grid input to ensure genuine learning, not just muscle memory.

**Highlights:** Treble, alto, and bass clef support, Major and minor key signature support, Accidental support, Adjustable ledger lines, Grid input for muscle memory prevention, MIDI keyboard and microphone input, Cheat Mode for real-time note names

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

**In-app purchases:** none


## Frequently asked questions

### Is Brainblast free?

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

### Is Clef Trainer Grid free?

Clef Trainer Grid costs $2.99, with no in-app purchases.

### Which has better reviews, Brainblast or Clef Trainer Grid?

Clef Trainer Grid is rated higher. Brainblast averages 4.7 out of 5 from 570 ratings, while Clef Trainer Grid averages 5.0 from 12 ratings.

### Do Brainblast or Clef Trainer Grid have ads?

Brainblast shows ads; Clef Trainer Grid does not.

### Which is updated more often, Brainblast or Clef Trainer Grid?

Brainblast ships an update every 3 days, and Clef Trainer Grid daily. Most recently, Brainblast was updated on October 10, 2026 and Clef Trainer Grid 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.*