# Subs4Me vs Systems Study

The clearest difference is iOS requirement: Subs4Me at 15.6 against Systems Study's 17.6. 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Subs4Me | Systems Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 27 MB | 4 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Diane Ventura](https://appshunter.io/developer/1507445908) | [Craig Miller](https://appshunter.io/developer/1818444319) |

## What reviewers say

### Subs4Me

[App page](https://appshunter.io/ios/app/subs4me/id1507445910)

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

**In-app purchases:** none


### Systems Study

[App page](https://appshunter.io/ios/app/systems-study/id6769199221)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subs4Me free?

Subs4Me is free to download, with no in-app purchases.

### Is Systems Study free?

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

### Do Subs4Me or Systems Study have ads?

Neither Subs4Me nor Systems Study shows ads.

### Which is updated more often, Subs4Me or Systems Study?

Subs4Me ships an update every 2 months, and Systems Study every 2 months. Most recently, Subs4Me was updated on September 25, 2026 and Systems Study on October 16, 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.*