# Index vs Full Stack Interview

The clearest difference is price: Index at Free against Full Stack Interview's $0.90. Index also leads on update cadence (fortnightly vs every 6 weeks). Full Stack Interview's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On review sentiment, ads and in-app purchases there is nothing between them.

Index is free to download; Full Stack Interview costs $0.90 up front. Index sells 3 in-app purchases, starting at $5.99 per month and Full Stack Interview sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Index ships an update fortnightly, Full Stack Interview every 6 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Index | Full Stack Interview |
| --- | --- | --- |
| Price | **Free** | $0.90 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/index-ai-flashcard-creator/id6754000722/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 | **Fortnightly** | Every 6 weeks |
| Monetization | **Freemium** | Paid |
| Size | 23 MB | 68 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruixue Sun](https://appshunter.io/developer/1840975983) | [平 何](https://appshunter.io/developer/1630512266) |

## What reviewers say

### Index

[App page](https://appshunter.io/ios/app/index-ai-flashcard-creator/id6754000722)

Instantly create flashcards from any topic, PDF, or notes using AI. Import existing decks and study with intelligent pacing, avoiding overwhelming daily loads. Track progress with streaks and forecasts, all within a user-friendly interface.

**Highlights:** AI flashcard generation, PDF and note import, Anki deck import, Intelligent daily card pacing, FSRS-5 spaced repetition, Cross-device sync, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Index Pro Monthly | $5.99 | per month |
| Index Pro Yearly | $35.99 | per year |
| Index Pro Lifetime | $69.99 | one-time |


### Full Stack Interview

[App page](https://appshunter.io/ios/app/full-stack-interview/id6761838506)

Prepare for technical interviews with a comprehensive question bank covering front-end, back-end, and mobile development. Access core knowledge, answering strategies, and practical skills to boost your success rate in recruitment and job-hopping interviews.

**Highlights:** Multi-platform question bank (Java, iOS, Android, Vue, Flutter, mini programs), Interview guide with core knowledge and skills, Classic questions from top companies, Offline access for practice, Suitable for front-end, back-end, and mobile developers

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $0.29 | one-time |
| 3个月会员 | $0.59 | one-time |
| 6个月会员 | $0.89 | one-time |
| 1年会员 | $1.49 | one-time |
| 5年会员 | $5.99 | one-time |
| 永久会员 | $28.99 | one-time |


## Frequently asked questions

### Is Index free?

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

### Is Full Stack Interview free?

Full Stack Interview costs $0.90, and also offers in-app purchases.

### Do Index or Full Stack Interview have ads?

Neither Index nor Full Stack Interview shows ads.

### Which is updated more often, Index or Full Stack Interview?

Index ships an update fortnightly, and Full Stack Interview every 6 weeks. Most recently, Index was updated on October 1, 2026 and Full Stack Interview on October 8, 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.*