# AB Math II vs dob pro

The clearest difference is price: AB Math II at $0.99 against dob pro's $49.99. AB Math II also leads on device support (3 vs 1). dob pro's advantage is update cadence (every 3 months vs every 7 months). On ads, in-app purchases and iOS requirement there is nothing between them.

AB Math II costs $0.99 and dob pro $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AB Math II ships an update every 7 months, dob pro every 3 months. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | AB Math II | dob pro |
| --- | --- | --- |
| Price | **$0.99** | $49.99 |
| Rating | **[4.1 (33 ratings)](https://appshunter.io/ios/app/ab-math-ii-fun-games/id767539394/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 33 MB | 78 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Lehovetzki](https://appshunter.io/developer/412827944) | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) |

## What reviewers say

### AB Math II

[App page](https://appshunter.io/ios/app/ab-math-ii-fun-games/id767539394)

This app offers a mental math game designed for children aged 8 and up. It features four engaging games, a challenge mode, and progress tracking for up to four players. The full version unlocks additional difficulty levels and operations.

**Highlights:** Mental math games, Challenge mode, Player progress tracking, Multiple difficulty levels, Game Center integration

**In-app purchases:** none


### dob pro

[App page](https://appshunter.io/ios/app/dob-pro-visual-perception/id969998406)

**In-app purchases:** none


## Frequently asked questions

### Is AB Math II free?

AB Math II costs $0.99, with no in-app purchases.

### Is dob pro free?

dob pro costs $49.99, with no in-app purchases.

### Do AB Math II or dob pro have ads?

Neither AB Math II nor dob pro shows ads.

### Which is updated more often, AB Math II or dob pro?

AB Math II ships an update every 7 months, and dob pro every 3 months. Most recently, AB Math II was updated on October 10, 2026 and dob pro on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*