# RUB Bib vs Personal Trainer Prep for NASM

The clearest difference is in-app purchases: RUB Bib at none against Personal Trainer Prep for NASM's 4. Personal Trainer Prep for NASM's advantage is update cadence (every 3 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Personal Trainer Prep for NASM sells 4 in-app purchases, starting at $6.99 per 7 days. RUB Bib asks for nothing beyond the download.

RUB Bib ships an update every 7 months, Personal Trainer Prep for NASM every 3 months. The most recent releases landed on October 27, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RUB Bib | Personal Trainer Prep for NASM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 35 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ruhr-Universitaet Bochum](https://appshunter.io/developer/476630475) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### RUB Bib

[App page](https://appshunter.io/ios/app/rub-bib/id6456452216)

Manage your university library account seamlessly. Authenticate for borrowing, payments, and services, and keep track of loans, fees, and reservations. Access and book university library courses and events directly from your device.

**Highlights:** Digital library card, Borrow media, Manage loans and fees, Handle reservations, View courses and events, Book library courses

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

**In-app purchases:** none


### Personal Trainer Prep for NASM

[App page](https://appshunter.io/ios/app/personal-trainer-prep-for-nasm/id6779008273)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NASM CPT Weekly | $6.99 | per 7 days |
| NASM CPT Monthly | $16.99 | per month |
| NASM CPT Yearly | $39.99 | per year |
| NASM CPT Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is RUB Bib free?

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

### Is Personal Trainer Prep for NASM free?

Personal Trainer Prep for NASM is free to download, with in-app purchases available.

### Do RUB Bib or Personal Trainer Prep for NASM have ads?

Neither RUB Bib nor Personal Trainer Prep for NASM shows ads.

### Which is updated more often, RUB Bib or Personal Trainer Prep for NASM?

RUB Bib ships an update every 7 months, and Personal Trainer Prep for NASM every 3 months. Most recently, RUB Bib was updated on October 27, 2026 and Personal Trainer Prep for NASM on October 8, 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.*