# SelfNote vs Spatial Proof

The clearest difference is in-app purchases: Spatial Proof at none against SelfNote's 3. Spatial Proof also leads on update cadence (every 8 days vs monthly) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. SelfNote sells 3 in-app purchases, starting at $1.99 per month. Spatial Proof asks for nothing beyond the download.

SelfNote ships an update monthly, Spatial Proof every 8 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SelfNote | Spatial Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/selfnote-email-note-to-self/id6447319493/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Freemium | — |
| Size | 23 MB | 36 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Makai Labs Srl](https://appshunter.io/developer/1680964982) | [Iogut](https://appshunter.io/developer/1752517217) |

## What reviewers say

### SelfNote

[App page](https://appshunter.io/ios/app/selfnote-email-note-to-self/id6447319493)

Capture ideas, reminders, and links by sending them directly to your email inbox. Supports text, audio, photos, and drawings, with extensions for seamless sharing from other apps. New features include Apple Watch integration and home screen widgets for quick access.

**Highlights:** Send notes via email, Attach text, audio, photos, drawings, Browser extensions for quick sharing, Apple Watch app for wrist capture, Home screen widgets for quick actions, On-device AI for subject lines and categorization, Speech-to-text dictation

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly - Unlimited access | $1.99 | per month |
| Unlimited access | $9.99 | per year |
| Pro Lifetime | $29.99 | one-time |


### Spatial Proof

[App page](https://appshunter.io/ios/app/spatial-proof/id6755893174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SelfNote free?

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

### Is Spatial Proof free?

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

### Do SelfNote or Spatial Proof have ads?

Neither SelfNote nor Spatial Proof shows ads.

### Which is updated more often, SelfNote or Spatial Proof?

SelfNote ships an update monthly, and Spatial Proof every 8 days. Most recently, SelfNote was updated on October 10, 2026 and Spatial Proof on October 1, 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.*