# B.a.B. vs Dogl Precalculus

The clearest difference is rating: Dogl Precalculus at 4.7 against B.a.B.'s 4.0. Dogl Precalculus also leads on update cadence (every 6 months vs every 12 months) and ratings volume (17 vs 4). B.a.B.'s advantage is in-app purchases (none vs 2) and iOS requirement (13.4 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Dogl Precalculus sells 2 one-off in-app purchases. B.a.B. asks for nothing beyond the download.

Dogl Precalculus holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 4 and 17 respectively.

B.a.B. ships an update every 12 months, Dogl Precalculus every 6 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | B.a.B. | Dogl Precalculus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/bab/id1625759666/reviews) | **[4.7 (17 ratings)](https://appshunter.io/ios/app/dogl-precalculus/id6670212064/reviews)** |
| Number of ratings | 4 | **17** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 36 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPod, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nprc TV LLC](https://appshunter.io/developer/1625759668) | [Dogl](https://appshunter.io/developer/1554140183) |

## What reviewers say

### B.a.B.

[App page](https://appshunter.io/ios/app/bab/id1625759666)

Stay informed about new product releases and updates from Bearings Inc. Access helpful videos and guides on maintenance and installation.

**Highlights:** Product release notifications, Update information, Maintenance videos, Installation guides, Customer updates

**Features:** Vision Pro support

**In-app purchases:** none


### Dogl Precalculus

[App page](https://appshunter.io/ios/app/dogl-precalculus/id6670212064)

Master Precalculus with this app designed by university professors. It offers bite-sized problem-solving, personalized learning paths, and visual hints to guide you. Start with 100 free problems and unlock more weekly, with optional upgrades for unlimited access.

**Highlights:** Bite-sized problem-solving, Personalized learning paths, Visual hints for guidance, 100 free starter problems, Weekly free problem unlocks, Ad-free experience, AP Precalculus curriculum compatible

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Plan - 4 months | $0.99 | one-time |
| Unlimited Plan - 1 year | $1.99 | one-time |


## Frequently asked questions

### Is B.a.B. free?

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

### Is Dogl Precalculus free?

Dogl Precalculus is free to download, with in-app purchases available.

### Which has better reviews, B.a.B. or Dogl Precalculus?

Dogl Precalculus is rated higher. B.a.B. averages 4.0 out of 5 from 4 ratings, while Dogl Precalculus averages 4.7 from 17 ratings.

### Do B.a.B. or Dogl Precalculus have ads?

Neither B.a.B. nor Dogl Precalculus shows ads.

### Which is updated more often, B.a.B. or Dogl Precalculus?

B.a.B. ships an update every 12 months, and Dogl Precalculus every 6 months. Most recently, B.a.B. was updated on October 9, 2026 and Dogl Precalculus on October 9, 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.*