# SMARTInside vs Skim

The clearest difference is rating: Skim at 5.0 against SMARTInside's 4.0. Skim also leads on update cadence (every 2 weeks vs every 6 months). SMARTInside's advantage is in-app purchases (none vs 4) and iOS requirement (14.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Skim sells 4 in-app purchases, starting at $6.99 per month. SMARTInside asks for nothing beyond the download.

Skim holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

SMARTInside ships an update every 6 months, Skim every 2 weeks. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SMARTInside | Skim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/smartinside-brain-training-hq/id1671304915/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/skim-micro-learning-cards/id6764439998/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 32 MB | 10 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [McLagan International, Inc.](https://appshunter.io/developer/1229359922) | [DORUK SAVASAN](https://appshunter.io/developer/1895781498) |

## What reviewers say

### SMARTInside

[App page](https://appshunter.io/ios/app/smartinside-brain-training-hq/id1671304915)

Enhance your cognitive abilities with science-based learning strategies. This platform offers tools, tips, and exercises to improve memory, focus, problem-solving, and skill acquisition for personal and professional growth.

**Highlights:** Cognitive ability enhancement, Science-based learning strategies, Skill acquisition tools, Memory and focus improvement, Problem-solving exercises, Adult learning platform

**Features:** macOS Compatibility

**In-app purchases:** none


### Skim

[App page](https://appshunter.io/ios/app/skim-micro-learning-cards/id6764439998)

Transform documents into bite-sized learning cards with AI. Choose from four learning modes, ask questions about terms, and track your progress. Ideal for students, researchers, and professionals.

**Highlights:** AI-generated learning cards, Multiple learning modes (Deep Understanding, ELI5, Memorize, Quick Review), Ask AI questions about document terms, Progress tracking (streak, mastery, accuracy), Supports PDF, Word, PowerPoint, text, and Markdown, No ads or data tracking

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Ultra Monthly | $13.99 | per month |
| Pro Annual | $69.99 | per year |
| Ultra Annual | $139.99 | per year |


## Frequently asked questions

### Is SMARTInside free?

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

### Is Skim free?

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

### Which has better reviews, SMARTInside or Skim?

Skim is rated higher. SMARTInside averages 4.0 out of 5 from 4 ratings, while Skim averages 5.0 from 3 ratings.

### Do SMARTInside or Skim have ads?

Neither SMARTInside nor Skim shows ads.

### Which is updated more often, SMARTInside or Skim?

SMARTInside ships an update every 6 months, and Skim every 2 weeks. Most recently, SMARTInside was updated on October 19, 2026 and Skim 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.*