# C vs BZ

The clearest difference is price: C at Free against BZ's $14.99. BZ's advantage is rating (5.0 vs 4.0) and in-app purchases (none vs 1). On ratings volume, ads, device support and iOS requirement there is nothing between them.

C is free to download; BZ costs $14.99 up front. C sells 1 one-off in-app purchase. BZ asks for nothing beyond the download.

BZ holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

C ships an update every 3 weeks, BZ every 3 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | C | BZ |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/c-time-lite/id615668212/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/bz-battery/id6807502861/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 3 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siegware](https://appshunter.io/developer/443908611) | [HGSoftware ApS](https://appshunter.io/developer/1779639581) |

## What reviewers say

### C

[App page](https://appshunter.io/ios/app/c-time-lite/id615668212)

Automatically track the time you spend at specific locations like work or school. The app uses geofencing to record your entries and exits, providing daily, monthly, and yearly summaries. You can also manually start/stop tracking and edit recorded times.

**Highlights:** Automatic time registration at places, Arrival/departure notifications, Manual start/stop tracking, Edit recorded times, Social media sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C-Time Pro Upgrade | $9.99 | one-time |


### BZ

[App page](https://appshunter.io/ios/app/bz-battery/id6807502861)

This app displays live battery data for compatible Toyota, Subaru, and Lexus electric vehicles. It shows detailed information like cell voltages, temperatures, and battery health, with options for CarPlay integration. A demo mode is available for exploration without a vehicle connection.

**Highlights:** Live charge, power, and current, Individual cell voltage monitoring, All pack temperature sensor readings, Car's reported battery health, Measured pack capacity tracking, CarPlay integration for key data, Demo mode for exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is C free?

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

### Is BZ free?

BZ costs $14.99, with no in-app purchases.

### Which has better reviews, C or BZ?

BZ is rated higher. C averages 4.0 out of 5 from 2 ratings, while BZ averages 5.0 from 4 ratings.

### Do C or BZ have ads?

Neither C nor BZ shows ads.

### Which is updated more often, C or BZ?

C ships an update every 3 weeks, and BZ every 3 days. Most recently, C was updated on November 1, 2026 and BZ on October 31, 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.*