# Charging Time vs Big Thumb Keyboard

The clearest difference is review sentiment: Charging Time at 86% against Big Thumb Keyboard's 0%. Charging Time also leads on price (Free vs $2.99) and rating (3.9 vs 1.0). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Charging Time is free to download; Big Thumb Keyboard costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Charging Time holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Charging Time has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of Charging Time's written reviews are positive against 0% of Big Thumb Keyboard's.

Charging Time ships an update every 3 weeks, Big Thumb Keyboard every 6 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Charging Time | Big Thumb Keyboard |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[3.9 (12 ratings)](https://appshunter.io/ios/app/charging-time/id6444711683/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/big-thumb-keyboard/id6752275284/reviews) |
| Number of ratings | **12** | 1 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | **Free** | Paid |
| Size | 2 MB | 44 MB |
| Requires iOS | 18.6 | **18.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [masaki individual](https://appshunter.io/developer/376549555) | [Bukdu Group, LLC](https://appshunter.io/developer/1838609866) |

## What reviewers say

### Charging Time

[App page](https://appshunter.io/ios/app/charging-time/id6444711683)

This utility app predicts how long it will take to charge your device to a specific level. It uses current charging status for accurate forecasts and allows management of charging data per charger. Receive notifications when your target charge is reached.

**Highlights:** Predict charging time to target level, Uses current charging status for forecasts, Manage charging data per charger, Notifications for target charge reached, Adjust expected charging time, Set calendar events for charging completion, Widget and Live Activity support

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

**In-app purchases:** none


### Big Thumb Keyboard

[App page](https://appshunter.io/ios/app/big-thumb-keyboard/id6752275284)

This keyboard app uses a unique gesture-based system to allow typing with a single thumb. It offers features like an 8-way swipe system, consistent button size, one-handed mode, phonetic logic, and advanced autocorrect.

**Highlights:** 8-Way Swipe System, Consistent Button Size, True One-Handed Typing, Phonetic Hangul Logic, Pro-Grade Autocorrect, Haptic Feedback, Quick Symbols & Numbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Charging Time free?

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

### Is Big Thumb Keyboard free?

Big Thumb Keyboard costs $2.99, with no in-app purchases.

### Which has better reviews, Charging Time or Big Thumb Keyboard?

Charging Time is rated higher. Charging Time averages 3.9 out of 5 from 12 ratings, while Big Thumb Keyboard averages 1.0 from 1 ratings.

### Do Charging Time or Big Thumb Keyboard have ads?

Neither Charging Time nor Big Thumb Keyboard shows ads.

### Which is updated more often, Charging Time or Big Thumb Keyboard?

Charging Time ships an update every 3 weeks, and Big Thumb Keyboard every 6 months. Most recently, Charging Time was updated on October 24, 2026 and Big Thumb Keyboard on October 9, 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.*