# Scanner Air vs 勉強タイマー

The clearest difference is price: Scanner Air at Free against 勉強タイマー's $0.99. Scanner Air also leads on update cadence (every 8 days vs every 4 weeks). 勉強タイマー's advantage is in-app purchases (none vs 14) and review sentiment (100% vs 76%). On ads, device support and iOS requirement there is nothing between them.

Scanner Air is free to download; 勉強タイマー costs $0.99 up front. Scanner Air sells 13 in-app purchases, starting at $3.99 per 7 days. 勉強タイマー asks for nothing beyond the download.

Scanner Air ships an update every 8 days, 勉強タイマー every 4 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Scanner Air | 勉強タイマー |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (5.3K ratings)](https://appshunter.io/ios/app/scanner-air-scan-documents/id1490084790/reviews)** | — |
| Number of ratings | **5.3K** | — |
| Positive reviews | 75.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 4 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 224 MB | 6 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Air Apps Systems](https://appshunter.io/developer/1316153435) | [SMART BIT K.K](https://appshunter.io/developer/1896559487) |

## What reviewers say

### Scanner Air

[App page](https://appshunter.io/ios/app/scanner-air-scan-documents/id1490084790)

Transform your phone into a powerful document scanner. Easily digitize, edit, sign, and share files like contracts, receipts, and IDs. Convert images to text and manage your documents efficiently on the go.

**Highlights:** Fast document scanning, Scan to PDF & convert, Edit and enhance scans, Digital signing (eSign), Smart file management, On-the-go sharing & printing, OCR text extraction

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Apps One - 1 Week | $3.99 | per 7 days |
| Air Apps One - 1 Week | $4.99 | per 7 days |
| Air Apps One - 1 Week | $6.99 | per 7 days |
| Air Apps One - 1 Week | $9.99 | per 7 days |
| Air Apps One Starter - 1 Week | $9.99 | per 7 days |
| Air Apps Pro - 1 Week | $9.99 | per 7 days |
| Air Apps One - 1 Week | $9.99 | per 7 days |
| Air Apps One Welcome - 1 Week | $9.99 | per 7 days |
| Air Apps One - 1 Month | $19.99 | per month |
| Air Apps Pro - 1 Month | $19.99 | per month |
| Air Apps Pro - 1 Year | $69.99 | per year |
| Air Apps One - 1 Year | $69.99 | per year |
| Air Apps One - 1 Month | $199.99 | per month |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient scanning
- 💡 Convenient for important documents
- 🚀 Accurate scanning
- 👍 Portable and accessible

**What reviewers complain about**

- 🐛 Issues with color/focus
- 💰 Subscription model concerns
- 🔒 Security/privacy worries

**Reported bugs**

- Difficulty unsubscribing
- Occasional crashes or freezes

**Requested features**

- Ability to adjust color/lighting settings
- One-time purchase option
- More transparency on subscription details


### 勉強タイマー

[App page](https://appshunter.io/ios/app/id6794773283)

A visual countdown timer that helps you manage study, work, and break times. Color bars decrease to show remaining time at a glance, with customizable skins and sound options. Works offline and requires no account.

**Highlights:** Visual countdown timer with color bars, Adjustable time settings up to 199 minutes, Large horizontal display for easy viewing, Customizable aluminum-style skins, Adjustable notification sounds and haptic feedback, Offline functionality

**In-app purchases:** none


## Frequently asked questions

### Is Scanner Air free?

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

### Is 勉強タイマー free?

勉強タイマー costs $0.99, with no in-app purchases.

### Do Scanner Air or 勉強タイマー have ads?

Neither Scanner Air nor 勉強タイマー shows ads.

### Which is updated more often, Scanner Air or 勉強タイマー?

Scanner Air ships an update every 8 days, and 勉強タイマー every 4 weeks. Most recently, Scanner Air was updated on October 31, 2026 and 勉強タイマー on October 29, 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.*