# Time Spiral vs Obius

The clearest difference is update cadence: Obius at weekly against Time Spiral's monthly. Time Spiral's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Time Spiral sells 3 in-app purchases, starting at $1.99 per month and Obius sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Time Spiral ships an update monthly, Obius weekly. The most recent releases landed on September 19, 2026 and July 29, 2026 respectively.

## The numbers

| Metric | Time Spiral | Obius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Freemium |
| Size | 42 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ismail Mujanovic](https://appshunter.io/developer/1881291297) | [Demetri Hodges](https://appshunter.io/developer/1886797794) |

## What reviewers say

### Time Spiral

[App page](https://appshunter.io/ios/app/time-spiral-daily-planner/id6759858283)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Spiral Pro Monthly | $1.99 | per month |
| Time Spiral Pro Annual | $12.99 | per year |
| Time Spiral Pro Lifetime | $34.99 | one-time |


### Obius

[App page](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821)

This app offers a visual workspace for organizing notes and ideas. It allows for reusable content blocks, color-coded sections for intent, and AI-powered features for content generation and semantic search. It prioritizes privacy with local-first storage and end-to-end encryption.

**Highlights:** Visual workspace for notes and ideas, Reusable content blocks (Loops), Color-coded sections by intent, AI-powered content generation and search, Version history and snapshots, Offline functionality and end-to-end encryption

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Obius Pro Founder | $4.99 | per month |
| Obius Pro Monthly | $9.99 | per month |
| Pro Annual | $79.99 | per year |
| Power Pack | $9.99 | one-time |


## Frequently asked questions

### Is Time Spiral free?

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

### Is Obius free?

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

### Do Time Spiral or Obius have ads?

Neither Time Spiral nor Obius shows ads.

### Which is updated more often, Time Spiral or Obius?

Time Spiral ships an update monthly, and Obius weekly. Most recently, Time Spiral was updated on September 19, 2026 and Obius on July 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*