# Ikiru vs Optimum Angle

The clearest difference is review sentiment: Optimum Angle at 100% against Ikiru's 54%. Optimum Angle also leads on rating (5.0 vs 3.9) and price ($3.99 vs $4.99). Ikiru's advantage is update cadence (every 3 weeks vs every 6 months) and ratings volume (101 vs 1). On ads, in-app purchases, monetization model and chart position there is nothing between them.

Ikiru costs $4.99 and Optimum Angle $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Optimum Angle holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Ikiru has 101 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of Ikiru's written reviews are positive against 100% of Optimum Angle's.

Ikiru ships an update every 3 weeks, Optimum Angle every 6 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ikiru | Optimum Angle |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | [3.9 (101 ratings)](https://appshunter.io/ios/app/ikiru/id1111565046/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimum-angle/id6651824465/reviews)** |
| Number of ratings | **101** | 1 |
| Positive reviews | 54.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Monetization | Paid | Paid |
| Best chart rank | **#149** | #195 |
| Size | 62 MB | 93 MB |
| Requires iOS | **11.1** | 15 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Rhoades](https://appshunter.io/developer/359564371) | [John Dickinson](https://appshunter.io/developer/1763955570) |

## What reviewers say

### Ikiru

[App page](https://appshunter.io/ios/app/ikiru/id1111565046)

**Currently charting:** #149 Top Paid · Productivity (US App Store)

Organize your life with this versatile app for creating lists, taking notes, and setting reminders. It helps you focus on what's important with a beautiful, user-friendly design and powerful features like nested lists and due dates.

**Highlights:** Create nested lists, Set due dates and reminders, Add photos to list items, Sort list items dynamically, Sync data via iCloud, Protect data with Touch ID/passcode, View items on Apple Watch

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Stable and reliable
- 👍 Useful for organizing lists and notes
- 👍 Intuitive and easy to use
- 👍 Syncs well across devices
- 👍 Handy for tracking tasks and reminders

**What reviewers complain about**

- 🐛 Sync issues and data loss
- 🐛 Crashes and bugs after updates
- 🔍 Limited search functionality
- 💡 Lack of formatting options
- 💡 Monochrome icons not as visually appealing

**Reported bugs**

- Reminders not working properly
- Syncing issues causing data loss
- Crashes after iOS updates
- Inability to disable Face ID lock

**Requested features**

- Add more formatting options (bold, italic, etc.)
- Improve search to allow searching within sublists
- Provide more customization options for themes and icons
- Add location-based reminders
- Implement better backup and restore functionality


### Optimum Angle

[App page](https://appshunter.io/ios/app/optimum-angle/id6651824465)

**Currently charting:** #195 Top Paid · Productivity (US App Store)

This app provides precise drive shaft angle measurements for mechanics, engineers, and automotive enthusiasts. It simplifies workflows and enhances performance with an intuitive interface and advanced algorithms for accurate adjustments.

**Highlights:** Precision drive shaft angle measurement, Intuitive user interface, Advanced measurement algorithms, Performance optimization, Simplified workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is Ikiru free?

Ikiru costs $4.99, with no in-app purchases.

### Is Optimum Angle free?

Optimum Angle costs $3.99, with no in-app purchases.

### Which has better reviews, Ikiru or Optimum Angle?

Optimum Angle is rated higher. Ikiru averages 3.9 out of 5 from 101 ratings, while Optimum Angle averages 5.0 from 1 ratings.

### Do Ikiru or Optimum Angle have ads?

Neither Ikiru nor Optimum Angle shows ads.

### Which is updated more often, Ikiru or Optimum Angle?

Ikiru ships an update every 3 weeks, and Optimum Angle every 6 months. Most recently, Ikiru was updated on October 13, 2026 and Optimum Angle on October 10, 2026.

### Which is more popular, Ikiru or Optimum Angle?

Ikiru currently peaks at #149 in the App Store charts, and Optimum Angle at #195. Chart position reflects recent download velocity rather than total install base.

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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.*