# Number Board vs GravyLensing

The clearest difference is update cadence: GravyLensing at every 2 months against Number Board's every 76 months. Number Board's advantage is iOS requirement (12.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Number Board ships an update every 76 months, GravyLensing every 2 months. The most recent releases landed on August 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Number Board | GravyLensing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/number-board/id512475388/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 76 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 61 MB | 7 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [suhail hanif](https://appshunter.io/developer/512475451) | [WILLIAM JOSEPH ROPER](https://appshunter.io/developer/6783065797) |

## What reviewers say

### Number Board

[App page](https://appshunter.io/ios/app/number-board/id512475388)

This app provides interactive number boards to foster a love for mathematics. It helps children as young as three develop number familiarity and hand-eye coordination, while older children can enhance their speed and accuracy in math. Daily practice through a unique approach aims to improve mastery of math and logic skills for all ages.

**Highlights:** Seven different number boards, Develops number sequences, Improves addition and subtraction, Enhances multiplication and division, Teaches fractions and percentages, Multi-sensory skill development, Tracks best three scores

**Features:** macOS Compatibility

**In-app purchases:** none


### GravyLensing

[App page](https://appshunter.io/ios/app/gravylensing/id6783065795)

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Board free?

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

### Is GravyLensing free?

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

### Do Number Board or GravyLensing have ads?

Neither Number Board nor GravyLensing shows ads.

### Which is updated more often, Number Board or GravyLensing?

Number Board ships an update every 76 months, and GravyLensing every 2 months. Most recently, Number Board was updated on August 3, 2026 and GravyLensing on September 10, 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.*