# CGMSIM vs Cram AI

The clearest difference is in-app purchases: CGMSIM at none against Cram AI's 3. CGMSIM also leads on device support (3 vs 1) and ratings volume (3 vs 1). Cram AI's advantage is update cadence (every 11 days vs every 2 months). On price, rating, ads and iOS requirement there is nothing between them.

Both are free to download. Cram AI sells 3 in-app purchases, starting at $4.99 per 7 days. CGMSIM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for CGMSIM against 5.0 for Cram AI. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

CGMSIM ships an update every 2 months, Cram AI every 11 days. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | CGMSIM | Cram AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/cgmsim/id1667105182/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cram-ai-study-notes-quiz/id6755719229/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 253 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Lorenzo Sandini](https://appshunter.io/developer/1667105184) | [Nishit Dave](https://appshunter.io/developer/1807529288) |

## What reviewers say

### CGMSIM

[App page](https://appshunter.io/ios/app/cgmsim/id1667105182)

Simulate managing Type 1 Diabetes by administering meals and insulin. Maintain target blood glucose levels while minimizing lows and highs. Integrate activity data for a realistic experience.

**Highlights:** Virtual Type 1 Diabetes subject management, Meal and insulin administration (MDI/CSII), Glycemic target range maintenance, Hypo/hyperglycemia alerts, Activity tracker integration (Fitbit, Google Fit), Nightscout CGM trace display, Success report generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Cram AI

[App page](https://appshunter.io/ios/app/cram-ai-study-notes-quiz/id6755719229)

Transform any content into AI-powered study materials like notes, flashcards, quizzes, and engaging video summaries. This tool helps students ace exams by making learning more efficient and entertaining.

**Highlights:** AI study notes from videos, PDFs, and text, Interactive flashcards and quizzes, Mind map generation for visual learning, AI Study Reels with animated subtitles, Feynman Technique mode for self-explanation, AI chat for note clarification

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is CGMSIM free?

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

### Is Cram AI free?

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

### Which has better reviews, CGMSIM or Cram AI?

CGMSIM and Cram AI are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do CGMSIM or Cram AI have ads?

Neither CGMSIM nor Cram AI shows ads.

### Which is updated more often, CGMSIM or Cram AI?

CGMSIM ships an update every 2 months, and Cram AI every 11 days. Most recently, CGMSIM was updated on October 24, 2026 and Cram AI on October 20, 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.*