# BTS Study Buddy vs Shackleton Engage

The clearest difference is in-app purchases: Shackleton Engage at none against BTS Study Buddy's 10. Shackleton Engage also leads on review sentiment (100% vs 80%). BTS Study Buddy's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. BTS Study Buddy sells 10 one-off in-app purchases. Shackleton Engage asks for nothing beyond the download.

BTS Study Buddy ships an update monthly, Shackleton Engage every 3 weeks. Both last shipped on September 29, 2026.

## The numbers

| Metric | BTS Study Buddy | Shackleton Engage |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 30 MB | 50 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Davies Learning Solutions](https://appshunter.io/developer/1793791291) | [PK Financial Planning LLP](https://appshunter.io/developer/1798255176) |

## What reviewers say

### BTS Study Buddy

[App page](https://appshunter.io/ios/app/bts-study-buddy/id1267274169)

Prepare for your Chartered Insurance Institute (CII) exams with realistic practice tests and detailed feedback. This app simulates exam conditions, offers customized exam selection, and provides instant scoring with explanations to help you identify weak spots and pass with confidence.

**Highlights:** Realistic exam simulation, Timed practice sessions, Customized exam selection, Instant feedback and scoring, Detailed explanations, Progress tracking

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| R01 Exam 21-22 Volume 1 - 3mth | $44.99 | one-time |
| R01 Exam 21-22 Volume 2 - 3mth | $44.99 | one-time |
| R02 Exam 21-22 Volume 2 - 3mth | $44.99 | one-time |
| R02 Exam 21-22 Volume 1 - 3mth | $44.99 | one-time |
| R03 Exam 21-22 Volume 1 - 3mth | $44.99 | one-time |
| R03 Exam 21-22 Volume 2 - 3mth | $44.99 | one-time |
| R04 Exam 21-22 Volume 1 - 3mth | $44.99 | one-time |
| R04 Exam 21-22 Volume 2 - 3mth | $44.99 | one-time |
| R05 Exam 21-22 Volume 1 - 3mth | $44.99 | one-time |
| R05 Exam 21-22 Volume 2 - 3mth | $44.99 | one-time |


### Shackleton Engage

[App page](https://appshunter.io/ios/app/shackleton-engage/id1501327048)

This app helps employees understand and manage their employer-provided benefits. It offers tools for total reward statements, pension forecasting, and managing contributions. Access financial articles and savings products through your employer's subscription.

**Highlights:** Total Reward Statements, Pension forecasting and calculator, Benefit management, Financial articles and factsheets, Online savings products access

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

**In-app purchases:** none


## Frequently asked questions

### Is BTS Study Buddy free?

BTS Study Buddy is free to download, with in-app purchases available.

### Is Shackleton Engage free?

Shackleton Engage is free to download, with no in-app purchases.

### Do BTS Study Buddy or Shackleton Engage have ads?

Neither BTS Study Buddy nor Shackleton Engage shows ads.

### Which is updated more often, BTS Study Buddy or Shackleton Engage?

BTS Study Buddy ships an update monthly, and Shackleton Engage every 3 weeks. Most recently, BTS Study Buddy was updated on September 29, 2026 and Shackleton Engage 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.*