# BatteryNow vs Big Clock

The clearest difference is review sentiment: BatteryNow at 67% against Big Clock's 0%. BatteryNow also leads on rating (4.0 vs 3.3) and in-app purchases (none vs 3). Big Clock's advantage is price (Free vs $0.99) and ratings volume (3 vs 1). On update cadence and device support there is nothing between them.

Big Clock is free to download; BatteryNow costs $0.99 up front. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days. BatteryNow asks for nothing beyond the download.

BatteryNow holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 67% of BatteryNow's written reviews are positive against 0% of Big Clock's.

BatteryNow ships an update every 4 months, Big Clock every 3 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | BatteryNow | Big Clock |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/batterynow-big-digital-clock/id460872951/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 9 MB | 66 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [Kevin Ghori](https://appshunter.io/developer/1639082610) |

## What reviewers say

### BatteryNow

[App page](https://appshunter.io/ios/app/batterynow-big-digital-clock/id460872951)

This app provides real-time and historical battery monitoring with graphical data. It also features a large, customizable digital clock display with multiple color options and dark mode support.

**Highlights:** Real-time battery monitoring, Historical battery trend graphs, Large digital clock display, Customizable clock colors, Dark mode support, Battery percentage color indicators

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

**In-app purchases:** none


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-digital-display/id1553856417)

This utility app displays the current day, time, and date in a large, full-screen digital format. It offers customization options for clock digit color and includes integrated alarm, timer, and stopwatch functionalities with advanced settings like repetition and lap tracking.

**Highlights:** Full-screen digital clock display, Customizable digit colors, Multiple alarm settings, Countdown timer, Stopwatch with lap feature, Display day and date

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Digital Clock Weekly Plan | $4.99 | per 7 days |
| Big Digital Clock Monthly Plan | $9.99 | per month |
| Big Digital Clock Yearly Plan | $49.99 | per year |


## Frequently asked questions

### Is BatteryNow free?

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

### Is Big Clock free?

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

### Which has better reviews, BatteryNow or Big Clock?

BatteryNow is rated higher. BatteryNow averages 4.0 out of 5 from 1 ratings, while Big Clock averages 3.3 from 3 ratings.

### Do BatteryNow or Big Clock have ads?

Big Clock shows ads; BatteryNow does not.

### Which is updated more often, BatteryNow or Big Clock?

BatteryNow ships an update every 4 months, and Big Clock every 3 months. Most recently, BatteryNow was updated on October 17, 2026 and Big Clock on October 3, 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.*