# STEM Wizard Form Uploader vs PerfectPrep

The clearest difference is rating: PerfectPrep at 4.6 against STEM Wizard Form Uploader's 3.7. PerfectPrep also leads on review sentiment (67% vs 33%) and ratings volume (883 vs 10). STEM Wizard Form Uploader's advantage is in-app purchases (none vs 11) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. PerfectPrep sells 9 in-app purchases, starting at $4.99 per 7 days. STEM Wizard Form Uploader asks for nothing beyond the download.

PerfectPrep holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: PerfectPrep has 883 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 33% of STEM Wizard Form Uploader's written reviews are positive against 67% of PerfectPrep's.

STEM Wizard Form Uploader ships an update every 5 weeks, PerfectPrep fortnightly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | STEM Wizard Form Uploader | PerfectPrep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (10 ratings)](https://appshunter.io/ios/app/stem-wizard-form-uploader/id1177447459/reviews) | **[4.6 (883 ratings)](https://appshunter.io/ios/app/perfectprep-act-and-sat-prep/id1524653663/reviews)** |
| Number of ratings | 10 | **883** |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 122 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tregaron India Holdings, LLC](https://appshunter.io/developer/648381550) | [Mosaic S.r.l.](https://appshunter.io/developer/570748343) |

## What reviewers say

### STEM Wizard Form Uploader

[App page](https://appshunter.io/ios/app/stem-wizard-form-uploader/id1177447459)

Easily capture photos of required documents for STEM competitions and upload them directly to your STEM Wizard account. Streamline your submission process for ISEF and other events.

**Highlights:** Photograph required files, Upload to STEM Wizard account, Supports ISEF forms, Streamlined submission process

**Features:** macOS Compatibility

**In-app purchases:** none


### PerfectPrep

[App page](https://appshunter.io/ios/app/perfectprep-act-and-sat-prep/id1524653663)

Prepare for standardized college entrance exams with a personalized study plan, practice tests, and detailed explanations. Track your progress, review concepts with flashcards, and access video lessons to boost your score. Get expert tips and predictions to ace your ACT or SAT.

**Highlights:** Personalized study plans, Subject-specific practice tests, Full practice exams, Detailed answer explanations, Flashcards for concept review, Video lessons and tutorials, Progress tracking and score prediction

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PerfectPrep Premium 1 Week | $4.99 | per 7 days |
| PerfectPrep Premium 1 Week | $4.99 | per 7 days |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $9.99 | per month |
| PerfectPrep Premium 1 Month | $14.99 | per month |
| PerfectPrep Premium 6 Months | $19.99 | per 6 months |
| PerfectPrep Premium 6 months | $39.99 | per 6 months |
| PerfectPrep Premium 6 Months | $39.99 | per 6 months |

**What reviewers like**

- 👍 Good app for SAT prep
- 👍 Easy to use with many useful features
- 👍 Helpful for studying and preparing for the SAT
- 👍 Great for students and anyone taking the SAT
- 👍 Awesome app

**What reviewers complain about**

- 🐛 Incorrect content and errors in practice questions
- 🐛 Software bugs and issues with practice tests
- 💰 Not completely free, some features require payment
- 🐛 Answers marked wrong even though they are correct

**Reported bugs**

- Constant notifications despite disabling them
- Time limits not accurate for practice tests
- Many typos in the app

**Requested features**

- Dark mode option
- More free practice content


## Frequently asked questions

### Is STEM Wizard Form Uploader free?

STEM Wizard Form Uploader is free to download, with no in-app purchases.

### Is PerfectPrep free?

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

### Which has better reviews, STEM Wizard Form Uploader or PerfectPrep?

PerfectPrep is rated higher. STEM Wizard Form Uploader averages 3.7 out of 5 from 10 ratings, while PerfectPrep averages 4.6 from 883 ratings.

### Do STEM Wizard Form Uploader or PerfectPrep have ads?

PerfectPrep shows ads; STEM Wizard Form Uploader does not.

### Which is updated more often, STEM Wizard Form Uploader or PerfectPrep?

STEM Wizard Form Uploader ships an update every 5 weeks, and PerfectPrep fortnightly. Most recently, STEM Wizard Form Uploader was updated on October 2, 2026 and PerfectPrep on October 15, 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.*