# CommaSurf vs Battery Day

The clearest difference is update cadence: Battery Day at every 5 months against CommaSurf's every 20 months. CommaSurf's advantage is price ($1.99 vs $2.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

CommaSurf costs $1.99 and Battery Day $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CommaSurf ships an update every 20 months, Battery Day every 5 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CommaSurf | Battery Day |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/battery-day/id6444242509/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 months** |
| Monetization | — | Paid |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Viktor Sengel](https://appshunter.io/developer/498792670) | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) |

## What reviewers say

### CommaSurf

[App page](https://appshunter.io/ios/app/commasurf-watch-browser/id1664602456)

**Features:** Apple Watch app

**In-app purchases:** none


### Battery Day

[App page](https://appshunter.io/ios/app/battery-day/id6444242509)

This app provides an at-a-glance estimate of your device's battery discharge time. It offers various widgets, gauges, and charts to visualize battery level history and predict remaining usage. The app requires active widget usage to record battery consumption.

**Highlights:** Battery discharge time estimation, Variety of widgets, gauges, and charts, Battery level history visualization, Battery usage prediction, Color-coded battery usage indication, Requires active widget for data recording

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CommaSurf free?

CommaSurf costs $1.99, with no in-app purchases.

### Is Battery Day free?

Battery Day costs $2.99, with no in-app purchases.

### Do CommaSurf or Battery Day have ads?

Neither CommaSurf nor Battery Day shows ads.

### Which is updated more often, CommaSurf or Battery Day?

CommaSurf ships an update every 20 months, and Battery Day every 5 months. Most recently, CommaSurf was updated on October 27, 2026 and Battery Day on October 30, 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.*