# Vault vs BTS Study Buddy

The clearest difference is in-app purchases: Vault at none against BTS Study Buddy's 10. BTS Study Buddy's advantage is review sentiment (80% vs 52%). 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. Vault asks for nothing beyond the download.

Vault ships an update every 3 weeks, BTS Study Buddy monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vault | BTS Study Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (17 ratings)](https://appshunter.io/ios/app/vault-borderless-banking/id1218784569/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 52.3% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 30 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DEVERE GROUP LIMITED](https://appshunter.io/developer/1218784568) | [Davies Learning Solutions](https://appshunter.io/developer/1793791291) |

## What reviewers say

### Vault

[App page](https://appshunter.io/ios/app/vault-borderless-banking/id1218784569)

Manage your global finances with a low-cost money app. Instantly transfer and exchange currencies with no hidden fees. Control your money from your phone and spend worldwide with a prepaid Mastercard.

**Highlights:** Instant currency exchange, Multi-currency prepaid Mastercard, Free global money transfers, Real-time transaction notifications, Dynamic FX rate alerts, Companion cards for family, Secure touch/face ID login

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Vault free?

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

### Is BTS Study Buddy free?

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

### Do Vault or BTS Study Buddy have ads?

Neither Vault nor BTS Study Buddy shows ads.

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

Vault ships an update every 3 weeks, and BTS Study Buddy monthly. Most recently, Vault was updated on October 24, 2026 and BTS Study Buddy on October 24, 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.*