# Physics Dictionary Offline vs CHMS BSB mySchoolBoard

The clearest difference is ads: CHMS BSB mySchoolBoard at none against Physics Dictionary Offline's shown. CHMS BSB mySchoolBoard also leads on update cadence (every 2 months vs every 38 months) and iOS requirement (11.0 vs 15.0). On price, 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.

Physics Dictionary Offline ships an update every 38 months, CHMS BSB mySchoolBoard every 2 months. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Physics Dictionary Offline | CHMS BSB mySchoolBoard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chms-bsb-myschoolboard/id1582422081/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 9 MB | 137 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Putranto](https://appshunter.io/developer/1097285857) | [Sanjan Piya](https://appshunter.io/developer/1503313696) |

## What reviewers say

### Physics Dictionary Offline

[App page](https://appshunter.io/ios/app/physics-dictionary-offline/id1523781509)

**Features:** Vision Pro support

**In-app purchases:** none


### CHMS BSB mySchoolBoard

[App page](https://appshunter.io/ios/app/chms-bsb-myschoolboard/id1582422081)

This app connects parents with their children's school, providing updates on events, assignments, and progress reports. It also features attendance tracking, bus route monitoring, and a library system.

**Highlights:** Event and program updates, Assignment tracking, Progress reports, Attendance monitoring, Bus route and GPS tracking, School calendar and notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physics Dictionary Offline free?

Physics Dictionary Offline is free to download, with no in-app purchases.

### Is CHMS BSB mySchoolBoard free?

CHMS BSB mySchoolBoard is free to download, with no in-app purchases.

### Do Physics Dictionary Offline or CHMS BSB mySchoolBoard have ads?

Physics Dictionary Offline shows ads; CHMS BSB mySchoolBoard does not.

### Which is updated more often, Physics Dictionary Offline or CHMS BSB mySchoolBoard?

Physics Dictionary Offline ships an update every 38 months, and CHMS BSB mySchoolBoard every 2 months. Most recently, Physics Dictionary Offline was updated on October 29, 2026 and CHMS BSB mySchoolBoard on November 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.*