# Modus Research vs Submax

The clearest difference is in-app purchases: Modus Research at none against Submax's 1. Modus Research also leads on iOS requirement (12.0 vs 15.6). Submax's advantage is update cadence (every 2 days vs every 7 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Submax sells 1 in-app purchase, starting at $3.99 per year. Modus Research asks for nothing beyond the download.

Modus Research ships an update every 7 months, Submax every 2 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Modus Research | Submax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 73 MB | 24 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modus Health Llc](https://appshunter.io/developer/1420572411) | [The University of Kansas](https://appshunter.io/developer/726307325) |

## What reviewers say

### Modus Research

[App page](https://appshunter.io/ios/app/modus-research/id1539982424)

**Features:** macOS Compatibility

**In-app purchases:** none


### Submax

[App page](https://appshunter.io/ios/app/submax/id6744069857)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TBRS Submax Yearly Subscription | $3.99 | per year |


## Frequently asked questions

### Is Modus Research free?

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

### Is Submax free?

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

### Do Modus Research or Submax have ads?

Neither Modus Research nor Submax shows ads.

### Which is updated more often, Modus Research or Submax?

Modus Research ships an update every 7 months, and Submax every 2 days. Most recently, Modus Research was updated on October 13, 2026 and Submax on October 6, 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.*