# tetrify vs Surface Energy App

The clearest difference is in-app purchases: Surface Energy App at none against tetrify's 5. tetrify's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 15.1). On price, update cadence and ads there is nothing between them.

Both are free to download. tetrify sells 4 in-app purchases, starting at $1.99 per month. Surface Energy App asks for nothing beyond the download.

tetrify ships an update every 5 days, Surface Energy App every 10 days. The most recent releases landed on October 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | tetrify | Surface Energy App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (58 ratings)](https://appshunter.io/ios/app/tetrify-text-yourself-notes/id6447967703/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 137 MB | 48 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [tetr, LLC](https://appshunter.io/developer/1683133408) | [Rokswood Efabshop Limited](https://appshunter.io/developer/1737970294) |

## What reviewers say

### tetrify

[App page](https://appshunter.io/ios/app/tetrify-text-yourself-notes/id6447967703)

Capture to-dos, ideas, and track habits using a familiar texting interface. Turn any text into organized notes and reminders without complex menus. Designed for quick thought capture and personalized organization.

**Highlights:** Instant capture through chat, Smart Spaces for notes, tasks, journal, habits, Privacy-first and local data storage, Familiar chat interface, Cross-device sync via iCloud, Export notes to other apps

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tetrify Pro | $1.99 | per month |
| tetrify Pro | $14.99 | per year |
| tetrify Pro | $14.99 | one-time |
| tetrify Offline | $19.99 | one-time |


### Surface Energy App

[App page](https://appshunter.io/ios/app/surface-energy-app/id6745168826)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is tetrify free?

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

### Is Surface Energy App free?

Surface Energy App is free to download, with no in-app purchases.

### Do tetrify or Surface Energy App have ads?

Neither tetrify nor Surface Energy App shows ads.

### Which is updated more often, tetrify or Surface Energy App?

tetrify ships an update every 5 days, and Surface Energy App every 10 days. Most recently, tetrify was updated on October 1, 2026 and Surface Energy App on September 11, 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.*