# Drill Assistant vs BOC Compass

The clearest difference is iOS requirement: BOC Compass at 15.0 against Drill Assistant's 17.5. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Drill Assistant | BOC Compass |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 4 MB | 180 MB |
| Requires iOS | 17.5 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Eugene Lysenko](https://appshunter.io/developer/941355435) | [中国银行股份有限公司](https://appshunter.io/developer/392493980) |

## What reviewers say

### Drill Assistant

[App page](https://appshunter.io/ios/app/drill-assistant/id6499096604)

This app helps you memorize foreign words, phrases, song lyrics, and more with customizable text-to-speech playback. It offers various learning modes, remote control via Apple Watch, and easy list management for personalized learning on the go.

**Highlights:** Customizable Text-to-Speech playback, Multiple playback modes (repeat, random, reverse), Apple Watch companion app for remote control, Intuitive editor for list management, Import/export lists in JSON format, Adjustable voice rate, pitch, and pauses

**Features:** macOS Compatibility

**In-app purchases:** none


### BOC Compass

[App page](https://appshunter.io/ios/app/boc-compass/id6504995169)

This app simplifies travel to China by offering integrated navigation, translation, and booking services. It helps users find local attractions, book transportation and tickets, and navigate without language barriers.

**Highlights:** English maps for major cities, Real-time menu and sign translation, Voice assistant for communication, Book high-speed trains and flights, Reserve attraction tickets, Foodie and shopping guides, Currency converter

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

**In-app purchases:** none


## Frequently asked questions

### Is Drill Assistant free?

Drill Assistant is free to download, with no in-app purchases.

### Is BOC Compass free?

BOC Compass is free to download, with no in-app purchases.

### Do Drill Assistant or BOC Compass have ads?

Neither Drill Assistant nor BOC Compass shows ads.

### Which is updated more often, Drill Assistant or BOC Compass?

Drill Assistant ships an update every 3 weeks, and BOC Compass every 3 weeks. Most recently, Drill Assistant was updated on October 5, 2026 and BOC Compass on September 29, 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.*