# BattAir vs Week

The clearest difference is review sentiment: Week at 100% against BattAir's 25%. Week also leads on update cadence (every 2 weeks vs monthly). BattAir's advantage is price (Free vs $0.99) and iOS requirement (11.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

BattAir is free to download; Week costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BattAir ships an update monthly, Week every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BattAir | Week |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/battair/id1546717583/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Size | 15 MB | 12 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳艾斯特创新科技有限公司](https://appshunter.io/developer/1405370693) | [Stephane DEFAYE](https://appshunter.io/developer/1782119826) |

## What reviewers say

### BattAir

[App page](https://appshunter.io/ios/app/battair/id1546717583)

This app displays and manages information for smart batteries. Users can view battery status, adjust settings, and perform firmware upgrades. It's designed for users who need detailed control over their smart battery devices.

**Highlights:** Display smart battery information, Set smart battery parameters, Smart battery firmware upgrade, Real-time battery status monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Week

[App page](https://appshunter.io/ios/app/week-week-number/id6740096485)

Easily track the current week number with this utility app. It offers multiple ways to keep the information visible, including customizable home screen widgets, app icon badges, and notification reminders. Supports various calendar systems and date formats for personalized viewing.

**Highlights:** Customizable home screen widget, App icon badge display, Notification badge, Weekly reminder for updates, Choice of calendar system, Configurable first day of the week, Adjustable date format

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

**In-app purchases:** none


## Frequently asked questions

### Is BattAir free?

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

### Is Week free?

Week costs $0.99, with no in-app purchases.

### Do BattAir or Week have ads?

Neither BattAir nor Week shows ads.

### Which is updated more often, BattAir or Week?

BattAir ships an update monthly, and Week every 2 weeks. Most recently, BattAir was updated on November 3, 2026 and Week on November 4, 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.*