# Study Guard vs F2S

The clearest difference is ads: Study Guard at none against F2S's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Study Guard sells 6 in-app purchases, starting at $4.99 per 7 days and F2S sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Study Guard ships an update fortnightly, F2S every 3 weeks. The most recent releases landed on September 26, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Study Guard | F2S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (366 ratings)](https://appshunter.io/ios/app/study-guard-study-and-focus/id6744607430/reviews)** | — |
| Number of ratings | **366** | — |
| Positive reviews | 28.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 59 MB | 57 MB |
| Requires iOS | **17.4** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Mayo](https://appshunter.io/developer/1808403182) | [Destan Gokalp](https://appshunter.io/developer/1820630107) |

## What reviewers say

### Study Guard

[App page](https://appshunter.io/ios/app/study-guard-study-and-focus/id6744607430)

This app transforms social media habits into a learning tool. It uses flashcard mastery to unlock social media access, ensuring focused study sessions. Create custom flashcards or generate them automatically from notes and PDFs.

**Highlights:** Social media leverage for motivation, Flashcard accountability for phone access, Custom flashcard creation, AI flashcard generator from notes/PDFs, Social media blocking during study, Progress tracking and insights, Unlimited flashcard sets

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Guard (Weekly) | $4.99 | per 7 days |
| Study Guard Plus | $5.99 | per month |
| Pro Plan (Yearly) | $19.99 | per year |
| Study Guard Plus Yearly | $24.99 | per year |
| Study Guard (Yearly) | $34.99 | per year |
| Study Guard (Lifetime) | $79.99 | one-time |


### F2S

[App page](https://appshunter.io/ios/app/f2s-feynman-2-scroll/id6758620924)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is Study Guard free?

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

### Is F2S free?

F2S is free to download, with in-app purchases available.

### Do Study Guard or F2S have ads?

F2S shows ads; Study Guard does not.

### Which is updated more often, Study Guard or F2S?

Study Guard ships an update fortnightly, and F2S every 3 weeks. Most recently, Study Guard was updated on September 26, 2026 and F2S on September 10, 2026.

---

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