# BatteryNow ! Big Digital Clock vs Ring Sizer

The clearest difference is in-app purchases: BatteryNow ! Big Digital Clock at none against Ring Sizer's 2. Ring Sizer's advantage is ads (none vs shown) and update cadence (weekly vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ring Sizer sells 2 in-app purchases, starting at $9.99 per year. BatteryNow ! Big Digital Clock asks for nothing beyond the download.

BatteryNow ! Big Digital Clock ships an update every 9 months, Ring Sizer weekly. The most recent releases landed on October 2, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | BatteryNow ! Big Digital Clock | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 9 MB | 9 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kazuhiko kuroda](https://appshunter.io/developer/460872954) | [Heinz Meier](https://appshunter.io/developer/1824697405) |

## What reviewers say

### BatteryNow ! Big Digital Clock

[App page](https://appshunter.io/ios/app/batterynow-big-digital-clock/id622404130)

Monitor your device's battery life with real-time and trend graphs. Features a large, customizable digital clock with color options and dark mode support. Track battery percentage changes over time.

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

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

**In-app purchases:** none


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-size-finder/id6787279321)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hush Pro Yearly | $9.99 | per year |
| Hush Pro Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is BatteryNow ! Big Digital Clock free?

BatteryNow ! Big Digital Clock is free to download, with no in-app purchases.

### Is Ring Sizer free?

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

### Do BatteryNow ! Big Digital Clock or Ring Sizer have ads?

BatteryNow ! Big Digital Clock shows ads; Ring Sizer does not.

### Which is updated more often, BatteryNow ! Big Digital Clock or Ring Sizer?

BatteryNow ! Big Digital Clock ships an update every 9 months, and Ring Sizer weekly. Most recently, BatteryNow ! Big Digital Clock was updated on October 2, 2026 and Ring Sizer on October 23, 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.*