# Grade Evaluator vs Prepful

The clearest difference is in-app purchases: Grade Evaluator at none against Prepful's 11. Grade Evaluator also leads on rating (5.0 vs 4.8). Prepful's advantage is update cadence (every 3 days vs monthly) and ratings volume (585 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Prepful sells 11 in-app purchases, starting at $9.99 per 7 days. Grade Evaluator asks for nothing beyond the download.

Grade Evaluator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Prepful has 585 ratings behind it against 1, so its average is the more settled of the two.

Grade Evaluator ships an update monthly, Prepful every 3 days. The most recent releases landed on October 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grade Evaluator | Prepful |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grade-evaluator/id6757299849/reviews)** | [4.8 (585 ratings)](https://appshunter.io/ios/app/prepful-sat-and-act-exam-prep/id6777859735/reviews) |
| Number of ratings | 1 | **585** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 127 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Ji Hoon Lee](https://appshunter.io/developer/1790100104) | [StudyX Inc](https://appshunter.io/developer/6777859737) |

## What reviewers say

### Grade Evaluator

[App page](https://appshunter.io/ios/app/grade-evaluator/id6757299849)

Calculate the exact scores needed to achieve your target grade in any class. Supports various grading systems, including curves, and helps manage assignment deadlines with timely notifications.

**Highlights:** Calculate target scores, Support for percent and point-based grading, Account for grading curves, Set assignment deadlines, Receive deadline notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Prepful

[App page](https://appshunter.io/ios/app/prepful-sat-and-act-exam-prep/id6777859735)

This AI-powered app offers personalized SAT prep with short daily sessions and adaptive practice. It diagnoses weaknesses, builds a study plan, and provides a virtual study companion for encouragement and question answering. Aimed at improving scores efficiently.

**Highlights:** AI-powered adaptive practice, Personalized daily study plans, Virtual AI study companion (Pax), 25-minute daily sessions, Score improvement tracking, 60 full mock tests, Detailed explanations

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prepful Pro Weekly | $9.99 | per 7 days |
| Prepful Pro Monthly | $29.99 | per month |
| Prepful Pro Monthly | $39.99 | per month |
| Prepful Pro Monthly | $39.99 | per month |
| Prepful Pro Monthly | $39.99 | per month |
| Prepful Pro Semi-Annual | $89.99 | per 6 months |
| Prepful Pro Semi-Annual | $99.99 | per 6 months |
| Prepful Pro Quarterly | $99.99 | per 3 months |
| Prepful Pro Semi-Annual | $119.99 | per 6 months |
| Prepful Pro Yearly | $149.99 | per year |
| Prepful Pro Yearly | $149.99 | per year |


## Frequently asked questions

### Is Grade Evaluator free?

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

### Is Prepful free?

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

### Which has better reviews, Grade Evaluator or Prepful?

Grade Evaluator is rated higher. Grade Evaluator averages 5.0 out of 5 from 1 ratings, while Prepful averages 4.8 from 585 ratings.

### Do Grade Evaluator or Prepful have ads?

Neither Grade Evaluator nor Prepful shows ads.

### Which is updated more often, Grade Evaluator or Prepful?

Grade Evaluator ships an update monthly, and Prepful every 3 days. Most recently, Grade Evaluator was updated on October 13, 2026 and Prepful on October 31, 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.*