# The Reference App vs Senumi

The clearest difference is in-app purchases: The Reference App at none against Senumi's 2. The Reference App also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Senumi's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Senumi sells 2 one-off in-app purchases. The Reference App asks for nothing beyond the download.

The Reference App ships an update fortnightly, Senumi weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Reference App | Senumi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Size | 48 MB | 238 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Dailey Kluck](https://appshunter.io/developer/1864229691) | [瑞辉 杨](https://appshunter.io/developer/6810997614) |

## What reviewers say

### The Reference App

[App page](https://appshunter.io/ios/app/the-reference-app/id6757085288)

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

**In-app purchases:** none


### Senumi

[App page](https://appshunter.io/ios/app/senumi-note-the-moment/id6811001127)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Senumi Full Access | $2.49 | one-time |
| Senumi Full Access | $4.99 | one-time |


## Frequently asked questions

### Is The Reference App free?

The Reference App is free to download, with no in-app purchases.

### Is Senumi free?

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

### Do The Reference App or Senumi have ads?

The Reference App shows ads; Senumi does not.

### Which is updated more often, The Reference App or Senumi?

The Reference App ships an update fortnightly, and Senumi weekly. Most recently, The Reference App was updated on October 30, 2026 and Senumi on October 31, 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.*