# Pure Flashcards Subtraction vs AC Camera Lite

The clearest difference is review sentiment: Pure Flashcards Subtraction at 100% against AC Camera Lite's 0%. Pure Flashcards Subtraction also leads on in-app purchases (none vs 1) and update cadence (every 12 months vs every 40 months). AC Camera Lite's advantage is price (Free vs $0.99). On ads, device support and iOS requirement there is nothing between them.

AC Camera Lite is free to download; Pure Flashcards Subtraction costs $0.99 up front. AC Camera Lite sells 1 one-off in-app purchase. Pure Flashcards Subtraction asks for nothing beyond the download.

Pure Flashcards Subtraction ships an update every 12 months, AC Camera Lite every 40 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Pure Flashcards Subtraction | AC Camera Lite |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ac-camera-lite/id1547719477/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 40 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 0 MB | 2 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [T&T United Inc.](https://appshunter.io/developer/468282934) | [NIPPON INFORMATION CO.,LTD.](https://appshunter.io/developer/396358322) |

## What reviewers say

### Pure Flashcards Subtraction

[App page](https://appshunter.io/ios/app/pure-flashcards-subtraction/id933588107)

This app offers a focused flashcard experience for learning subtraction facts. It features 126 cards covering various subtraction ranges, presented randomly for repeated practice. Designed for both classroom and home use, it requires no internet or sign-up.

**Highlights:** 126 subtraction flashcards, Random card order, Offline access, No sign-up required, Classroom and home use, Simple two-tap start

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

**In-app purchases:** none


### AC Camera Lite

[App page](https://appshunter.io/ios/app/ac-camera-lite/id1547719477)

Transform your iPhone or iPad into a document camera. Draw directly on the live camera feed, pause and hide annotations, and capture snapshots of your work. The Pro version offers advanced tracking and sharing features.

**Highlights:** Live camera feed annotation, Pause and hide annotations, Snapshot capture, Annotation history, Image sharing, Object tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proバージョン | $1.99 | one-time |


## Frequently asked questions

### Is Pure Flashcards Subtraction free?

Pure Flashcards Subtraction costs $0.99, with no in-app purchases.

### Is AC Camera Lite free?

AC Camera Lite is free to download, with in-app purchases available.

### Do Pure Flashcards Subtraction or AC Camera Lite have ads?

Neither Pure Flashcards Subtraction nor AC Camera Lite shows ads.

### Which is updated more often, Pure Flashcards Subtraction or AC Camera Lite?

Pure Flashcards Subtraction ships an update every 12 months, and AC Camera Lite every 40 months. Most recently, Pure Flashcards Subtraction was updated on October 9, 2026 and AC Camera Lite on October 16, 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.*