# See How They See vs StudyStash

The clearest difference is monetization model: StudyStash at free against See How They See's free with in-app purchases. StudyStash also leads on update cadence (every 4 days vs every 9 days). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. See How They See sells 12 one-off in-app purchases and StudyStash sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

See How They See ships an update every 9 days, StudyStash every 4 days. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | See How They See | StudyStash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/see-how-they-see/id6463806275/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 97 MB | 69 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [husam elkassem](https://appshunter.io/developer/1705051191) | [Saatvik Gupta](https://appshunter.io/developer/1802986028) |

## What reviewers say

### See How They See

[App page](https://appshunter.io/ios/app/see-how-they-see/id6463806275)

Experience the world through the eyes of individuals with various eye diseases. This mixed reality app offers a unique educational tool for understanding daily life challenges and is beneficial for those in or aspiring to health-related careers.

**Highlights:** Mixed Reality simulation, Simulates various eye diseases, Educational tool for all ages, Useful for medical professionals, Daily life perspective, Enhances understanding of ocular diseases

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Vision Simulation Pack | $0.99 | one-time |
| Diabetic Retinopathy Unlocker | $0.99 | one-time |
| Hypermetropia Anomaly Unlocker | $0.99 | one-time |
| Unlock Macular Hole Simulation | $0.99 | one-time |
| Floaters Simulation Unlocker | $0.99 | one-time |
| Cataract Simulation Unlocker | $0.99 | one-time |
| Deuteranopia Vision Unlocker | $0.99 | one-time |
| Monochromatic Vision Unlocker | $0.99 | one-time |
| Double Vision Unlocker | $0.99 | one-time |
| Protanopia Vision Unlocker | $0.99 | one-time |
| Tritanopia Vision Unlocker | $0.99 | one-time |
| See How They See Bundle | $6.99 | one-time |


### StudyStash

[App page](https://appshunter.io/ios/app/studystash/id6743457975)

This platform allows Ontario university students to find and share academic resources like notes, assignments, and past exams. It uses smart search and filters to personalize content for your specific program and year of study. All content is user-uploaded and reviewed for quality, with approved uploads granting access to other materials.

**Highlights:** Find and share academic resources, Tailored to university programs, Smart search and filters, User-uploaded and reviewed content, Personalized experience, Access notes, assignments, exams, and more

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $1.99 | one-time |
| Advanced Pack | $3.99 | one-time |
| Premium Pack | $6.99 | one-time |


## Frequently asked questions

### Is See How They See free?

See How They See is free to download, with in-app purchases available.

### Is StudyStash free?

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

### Do See How They See or StudyStash have ads?

Neither See How They See nor StudyStash shows ads.

### Which is updated more often, See How They See or StudyStash?

See How They See ships an update every 9 days, and StudyStash every 4 days. Most recently, See How They See was updated on October 16, 2026 and StudyStash on October 23, 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.*