# BTS Study Buddy vs Rubies Junior

The clearest difference is in-app purchases: Rubies Junior at none against BTS Study Buddy's 10. Rubies Junior also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | BTS Study Buddy | Rubies Junior |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 40 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davies Learning Solutions](https://appshunter.io/developer/1793791291) | [RUBIES MICROFINANCE BANK LIMITED](https://appshunter.io/developer/1458430315) |

## 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 |


### Rubies Junior

[App page](https://appshunter.io/ios/app/rubies-junior/id1528977560)

**Features:** macOS Compatibility

**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 Rubies Junior free?

Rubies Junior is free to download, with no in-app purchases.

### Do BTS Study Buddy or Rubies Junior have ads?

Neither BTS Study Buddy nor Rubies Junior shows ads.

### Which is updated more often, BTS Study Buddy or Rubies Junior?

BTS Study Buddy ships an update monthly, and Rubies Junior monthly. Most recently, BTS Study Buddy was updated on June 21, 2026 and Rubies Junior on September 19, 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.*