# Forem Notes vs Math Sphere

The clearest difference is iOS requirement: Math Sphere at 13.0 against Forem Notes's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Forem Notes ships an update monthly, Math Sphere every 3 weeks. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Forem Notes | Math Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/forem-notes-notebook/id1506197148/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 71 MB | 25 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Forem Software](https://appshunter.io/developer/1434537804) | [otsuki hayato](https://appshunter.io/developer/1828600192) |

## What reviewers say

### Forem Notes

[App page](https://appshunter.io/ios/app/forem-notes-notebook/id1506197148)

Capture notes, organize tasks, and set reminders with this simple and elegant app. Features include color coding, folders, tags, real-time collaboration, and progress tracking to boost productivity. Secure your data with biometric locks and access notes from your home screen.

**Highlights:** Instant note capture, Task and list organization, Customizable reminders, Real-time collaboration, Password and biometric security, Home screen widgets, Progress tracking

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

**In-app purchases:** none


### Math Sphere

[App page](https://appshunter.io/ios/app/math-sphere/id6749747366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Forem Notes free?

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

### Is Math Sphere free?

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

### Do Forem Notes or Math Sphere have ads?

Neither Forem Notes nor Math Sphere shows ads.

### Which is updated more often, Forem Notes or Math Sphere?

Forem Notes ships an update monthly, and Math Sphere every 3 weeks. Most recently, Forem Notes was updated on September 27, 2026 and Math Sphere on September 22, 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.*