# NAPD vs MathsBolt

The clearest difference is in-app purchases: NAPD at none against MathsBolt's 3. MathsBolt's advantage is ads (none vs shown) and update cadence (every 2 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. MathsBolt sells 3 one-off in-app purchases. NAPD asks for nothing beyond the download.

NAPD ships an update every 7 months, MathsBolt every 2 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | NAPD | MathsBolt |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 51 MB | 118 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NATIONAL ASSOCIATION OF PRINCIPALS AND DEPUTY PRINCIPALS (NAPD) COMPANY LIMITED BY GUARANTEE](https://appshunter.io/developer/1535036464) | [MathsBolt Limited](https://appshunter.io/developer/1535064140) |

## What reviewers say

### NAPD

[App page](https://appshunter.io/ios/app/napd/id1535036462)

**Features:** macOS Compatibility

**In-app purchases:** none


### MathsBolt

[App page](https://appshunter.io/ios/app/mathsbolt/id1535064138)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Student License | $4.99 | one-time |
| Add Five Students | $23.99 | one-time |
| Thirty Student Licenses | $139.99 | one-time |


## Frequently asked questions

### Is NAPD free?

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

### Is MathsBolt free?

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

### Do NAPD or MathsBolt have ads?

NAPD shows ads; MathsBolt does not.

### Which is updated more often, NAPD or MathsBolt?

NAPD ships an update every 7 months, and MathsBolt every 2 months. Most recently, NAPD was updated on October 20, 2026 and MathsBolt on October 3, 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.*