# FlashStacks vs Plan2Ace

The clearest difference is iOS requirement: FlashStacks at 17.6 against Plan2Ace's 26.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FlashStacks sells 3 in-app purchases, starting at $4.99 per month and Plan2Ace sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

FlashStacks ships an update every 8 days, Plan2Ace every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | FlashStacks | Plan2Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/flashstacks-flashcard-study/id6762071988/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 11 MB | 73 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Bailey Skewes](https://appshunter.io/developer/1892771018) | [Erildo Shuli](https://appshunter.io/developer/6792471636) |

## What reviewers say

### FlashStacks

[App page](https://appshunter.io/ios/app/flashstacks-flashcard-study/id6762071988)

Transform study materials into interactive Home Screen widgets. AI generates flashcards from PDFs, and spaced repetition optimizes learning. Visualize concepts with image occlusion and track progress with detailed stats.

**Highlights:** Home and Lock Screen widgets, AI-powered PDF to flashcard generation, Spaced repetition learning, Image occlusion cards, Progress tracking and stats, Customizable widget themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlashStacks Premium — Monthly | $4.99 | per month |
| Premium Special Offer | $24.99 | per year |
| FlashStacks Premium — Annual | $39.99 | per year |


### Plan2Ace

[App page](https://appshunter.io/ios/app/plan2ace-study-planner/id6792471634)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $96.00 | per year |


## Frequently asked questions

### Is FlashStacks free?

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

### Is Plan2Ace free?

Plan2Ace is free to download, with in-app purchases available.

### Do FlashStacks or Plan2Ace have ads?

Neither FlashStacks nor Plan2Ace shows ads.

### Which is updated more often, FlashStacks or Plan2Ace?

FlashStacks ships an update every 8 days, and Plan2Ace every 5 days. Most recently, FlashStacks was updated on October 31, 2026 and Plan2Ace on October 31, 2026.

---

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