# PenFill vs FlashSnapCards

The clearest difference is ads: FlashSnapCards at none against PenFill's shown. PenFill's advantage is update cadence (daily vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PenFill sells 10 in-app purchases, starting at $4.99 per month and FlashSnapCards sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PenFill ships an update daily, FlashSnapCards every 2 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PenFill | FlashSnapCards |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 months |
| Size | 41 MB | 2 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sho Handa](https://appshunter.io/developer/1895400851) | [torankirite](https://appshunter.io/developer/1883564850) |

## What reviewers say

### PenFill

[App page](https://appshunter.io/ios/app/penfill/id6763618010)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 数学モード(月額) | $4.99 | per month |
| ライフ +20 | $0.99 | one-time |
| セーブ数 +3 | $2.99 | one-time |
| ライフ +50 | $2.99 | one-time |
| セーブ数 +7 | $5.99 | one-time |
| ライフ +100 | $5.99 | one-time |
| 広告削除 | $6.99 | one-time |
| ライフ +250 | $11.99 | one-time |
| プレミアムパック | $59.99 | one-time |
| コンプリートパック | $99.99 | one-time |


### FlashSnapCards

[App page](https://appshunter.io/ios/app/flashsnapcards-flashcards/id6779014789)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is PenFill free?

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

### Is FlashSnapCards free?

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

### Do PenFill or FlashSnapCards have ads?

PenFill shows ads; FlashSnapCards does not.

### Which is updated more often, PenFill or FlashSnapCards?

PenFill ships an update daily, and FlashSnapCards every 2 months. Most recently, PenFill was updated on October 11, 2026 and FlashSnapCards 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.*