# Numbers up to 100 vs dob pro

The clearest difference is price: Numbers up to 100 at $3.99 against dob pro's $49.99. Numbers up to 100 also leads on iOS requirement (6.0 vs 12.0). dob pro's advantage is update cadence (every 3 months vs every 10 months). On ads, in-app purchases and device support there is nothing between them.

Numbers up to 100 costs $3.99 and dob pro $49.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Numbers up to 100 ships an update every 10 months, dob pro every 3 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Numbers up to 100 | dob pro |
| --- | --- | --- |
| Price | **$3.99** | $49.99 |
| Rating | **[1.5 (2 ratings)](https://appshunter.io/ios/app/numbers-up-to-100/id481817245/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 22 MB | 78 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Urff](https://appshunter.io/developer/415894463) | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) |

## What reviewers say

### Numbers up to 100

[App page](https://appshunter.io/ios/app/numbers-up-to-100/id481817245)

This educational tool visually represents numbers up to 100, aiding in understanding the decimal structure of the number system. It offers a clear mental model for mathematical concepts.

**Highlights:** Number visualization up to 100, Decimal structure explanation, Mental number representation, Educational tool for math

**Features:** macOS Compatibility

**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 Numbers up to 100 free?

Numbers up to 100 costs $3.99, with no in-app purchases.

### Is dob pro free?

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

### Do Numbers up to 100 or dob pro have ads?

Neither Numbers up to 100 nor dob pro shows ads.

### Which is updated more often, Numbers up to 100 or dob pro?

Numbers up to 100 ships an update every 10 months, and dob pro every 3 months. Most recently, Numbers up to 100 was updated on October 7, 2026 and dob pro on September 29, 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.*