# Optimem vs TestByState

The clearest difference is in-app purchases: Optimem at none against TestByState's 2. Optimem also leads on ratings volume (30 vs 1). TestByState's advantage is rating (5.0 vs 4.7) and update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TestByState sells 2 in-app purchases, starting at $7.99 per month. Optimem asks for nothing beyond the download.

TestByState holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Optimem has 30 ratings behind it against 1, so its average is the more settled of the two.

Optimem ships an update monthly, TestByState weekly. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Optimem | TestByState |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (30 ratings)](https://appshunter.io/ios/app/optimem-smart-flashcards/id1574383108/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/testbystate-state-test-prep/id6801668817/reviews)** |
| Number of ratings | **30** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 14 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Organic Software LLC](https://appshunter.io/developer/1574383110) | [Mahdi Alhady](https://appshunter.io/developer/1792658105) |

## What reviewers say

### Optimem

[App page](https://appshunter.io/ios/app/optimem-smart-flashcards/id1574383108)

Master any subject quickly with science-backed flashcards. Learn in short, engaging sessions using spaced repetition and multimedia support. Track your progress and customize your study experience with a simple, distraction-free interface.

**Highlights:** Bite-sized learning sessions, Spaced repetition system, Multimedia flashcard support, Progress tracking and stats, Customizable study settings, Dark mode, Content creation and sharing

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

**In-app purchases:** none


### TestByState

[App page](https://appshunter.io/ios/app/testbystate-state-test-prep/id6801668817)

Prepare for Massachusetts MCAS Math with grade-specific practice tests and daily sets for grades 3-8 and 10. Focus on specific topics or complete full-length simulations with detailed explanations and progress tracking for parents. One subscription covers up to five learners.

**Highlights:** Grade-specific practice (3-8, 10), Daily practice sets, Practice by topic, Full practice tests, Detailed answer explanations, Parent progress insights, Supports up to 5 learners

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MCAS Math Test Prep Monthly | $7.99 | per month |
| MCAS Math Test Prep Annual | $29.99 | per year |


## Frequently asked questions

### Is Optimem free?

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

### Is TestByState free?

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

### Which has better reviews, Optimem or TestByState?

TestByState is rated higher. Optimem averages 4.7 out of 5 from 30 ratings, while TestByState averages 5.0 from 1 ratings.

### Do Optimem or TestByState have ads?

Neither Optimem nor TestByState shows ads.

### Which is updated more often, Optimem or TestByState?

Optimem ships an update monthly, and TestByState weekly. Most recently, Optimem was updated on October 20, 2026 and TestByState on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*