# Stift vs Card.AI

The clearest difference is in-app purchases: Stift at none against Card.AI's 6. Stift also leads on ads (none vs shown) and iOS requirement (15.5.0 vs 17.0). Card.AI's advantage is update cadence (every 4 days vs every 2 weeks). On price and device support there is nothing between them.

Both are free to download. Card.AI sells 6 in-app purchases, starting at $1.99 per month. Stift asks for nothing beyond the download.

Stift ships an update every 2 weeks, Card.AI every 4 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Stift | Card.AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/stift/id1548578344/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 117 MB | 33 MB |
| Requires iOS | **15.5.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [STIFT LTDA](https://appshunter.io/developer/1548578616) | [Joao Pedro Costa Lima](https://appshunter.io/developer/1850579569) |

## What reviewers say

### Stift

[App page](https://appshunter.io/ios/app/stift/id1548578344)

Get academic questions answered by teachers nationwide. Submit queries via text, video, photos, audio, or PDFs for a seamless learning experience. Connects students with educators for instant support.

**Highlights:** Submit questions via text, video, photos, audio, PDF, Receive answers from teachers nationwide, Connects students and educators, Intuitive and natural user experience, Academic support ecosystem

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

**In-app purchases:** none


### Card.AI

[App page](https://appshunter.io/ios/app/cardai-flashcards-com-ia/id6754859761)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Card.AI Manual Mensal | $1.99 | per month |
| Card.Ai Premium Mensal | $2.99 | per month |
| Card.AI Manual Trimestral | $5.99 | per 3 months |
| Card.Ai Premium Trimestral | $7.99 | per 3 months |
| Card.AI Manual Anual | $19.99 | per year |
| Card.Ai Premium Anual | $24.99 | per year |


## Frequently asked questions

### Is Stift free?

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

### Is Card.AI free?

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

### Do Stift or Card.AI have ads?

Card.AI shows ads; Stift does not.

### Which is updated more often, Stift or Card.AI?

Stift ships an update every 2 weeks, and Card.AI every 4 days. Most recently, Stift was updated on October 27, 2026 and Card.AI on October 26, 2026.

---

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