# ZipGrade vs Lizard Evolution Virtual Lab

The clearest difference is review sentiment: ZipGrade at 86% against Lizard Evolution Virtual Lab's 24%. ZipGrade also leads on rating (4.9 vs 1.9) and update cadence (every 6 weeks vs every 14 months). Lizard Evolution Virtual Lab's advantage is in-app purchases (none vs 1) and iOS requirement (6.0 vs 13.0). On price and ads there is nothing between them.

Both are free to download. ZipGrade sells 1 one-off in-app purchase. Lizard Evolution Virtual Lab asks for nothing beyond the download.

ZipGrade holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: ZipGrade has 36K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 86% of ZipGrade's written reviews are positive against 24% of Lizard Evolution Virtual Lab's.

ZipGrade ships an update every 6 weeks, Lizard Evolution Virtual Lab every 14 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ZipGrade | Lizard Evolution Virtual Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (36K ratings)](https://appshunter.io/ios/app/zipgrade/id635077270/reviews)** | [1.9 (22 ratings)](https://appshunter.io/ios/app/lizard-evolution-virtual-lab/id955217861/reviews) |
| Number of ratings | **36K** | 22 |
| Positive reviews | **85.7% of reviews** | 23.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 361 MB |
| Requires iOS | 13.0 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZipGrade LLC](https://appshunter.io/developer/582826575) | [Howard Hughes Medical Institute](https://appshunter.io/developer/411540290) |

## What reviewers say

### ZipGrade

[App page](https://appshunter.io/ios/app/zipgrade/id635077270)

Instantly grade multiple-choice tests and quizzes using your device's camera. This app offers a fast and accurate way for educators to assess student work, with features for organizing and exporting results. It provides immediate feedback to inform lesson planning and assignments.

**Highlights:** Instant grading with device camera, Supports multiple choice tests and quizzes, Organizes and exports results (PDF, Excel), Free answer sheet templates available, Companion website for data management, Stores results by student, subject, and quiz

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 1 year of use | $6.99 | one-time |

**What reviewers like**

- 🚀 Efficient grading
- 👍 Instant feedback for students
- 📊 Detailed data analysis
- 💰 Affordable subscription
- ⏱️ Time-saving

**What reviewers complain about**

- 🐛 Inconsistent scanning issues
- 🔍 Difficulty navigating interface
- 🔢 Lack of class/student grouping options
- 🖼️ Poor image quality for student names

**Reported bugs**

- Scanning issues with flat surface detection
- Incorrect answer marking due to eraser marks

**Requested features**

- Ability to change question point values in bulk
- Option to create/edit answer keys on website
- Support for non-multiple choice question types
- Improved data export/integration with other systems


### Lizard Evolution Virtual Lab

[App page](https://appshunter.io/ios/app/lizard-evolution-virtual-lab/id955217861)

Explore evolutionary biology concepts through interactive virtual lab modules. Collect data, perform analyses, and answer questions to understand adaptation, speciation, and more. Ideal for high school and undergraduate science courses.

**Highlights:** Evolutionary biology modules, Data collection and analysis, Phylogenetic analysis, Reproductive isolation studies, Speciation concepts, Educator resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZipGrade free?

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

### Is Lizard Evolution Virtual Lab free?

Lizard Evolution Virtual Lab is free to download, with no in-app purchases.

### Which has better reviews, ZipGrade or Lizard Evolution Virtual Lab?

ZipGrade is rated higher. ZipGrade averages 4.9 out of 5 from 36K ratings, while Lizard Evolution Virtual Lab averages 1.9 from 22 ratings.

### Do ZipGrade or Lizard Evolution Virtual Lab have ads?

Neither ZipGrade nor Lizard Evolution Virtual Lab shows ads.

### Which is updated more often, ZipGrade or Lizard Evolution Virtual Lab?

ZipGrade ships an update every 6 weeks, and Lizard Evolution Virtual Lab every 14 months. Most recently, ZipGrade was updated on October 13, 2026 and Lizard Evolution Virtual Lab 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.*