# Opus One vs Green Thumbometer

The clearest difference is review sentiment: Opus One at 66% against Green Thumbometer's 0%. Opus One also leads on price (Free vs $2.99) and rating (4.7 vs 2.0). Green Thumbometer's advantage is in-app purchases (none vs 2). On ads and iOS requirement there is nothing between them.

Opus One is free to download; Green Thumbometer costs $2.99 up front. Opus One sells 2 in-app purchases, starting at $4.99 per month. Green Thumbometer asks for nothing beyond the download.

Opus One holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Opus One has 973 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 66% of Opus One's written reviews are positive against 0% of Green Thumbometer's.

Opus One ships an update every 3 weeks, Green Thumbometer every 3 months. The most recent releases landed on October 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Opus One | Green Thumbometer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.7 (973 ratings)](https://appshunter.io/ios/app/opus-one-digital-planner/id941852977/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/green-thumbometer/id1501761092/reviews) |
| Number of ratings | **973** | 1 |
| Positive reviews | **65.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Subscription | **Paid** |
| Size | 187 MB | 11 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PISO 13, Inc.](https://appshunter.io/developer/940653452) | [Forrest Anderson](https://appshunter.io/developer/1356423799) |

## What reviewers say

### Opus One

[App page](https://appshunter.io/ios/app/opus-one-digital-planner/id941852977)

This app helps you manage tasks and notes with a paperlike interface. Organize your day with daily task lists, schedules, and notes, and use a master task section to capture all your to-dos. Features include drag-and-drop reordering, event integration, and customizable notes.

**Highlights:** Master Task section, Daily Task lists with status, priority, and notes, Daily Schedule and Event integration, Daily Notes with customizable text formatting, Drag and drop task reordering, Cloud synchronization, Sketch drawing canvas

**Features:** Family Sharing, Siri integration, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Opus One Pro | $4.99 | per month |
| Opus One Professional | $39.99 | per year |

**What reviewers like**

- 🚀 Life changing
- 👍 Great app and support
- 👍 Integrates well with iPhone
- 👍 Keeps me organized and efficient
- 👍 Seamless sync across devices

**What reviewers complain about**

- 🐛 Sync issues and reliability problems
- 🐛 Lost data and app crashes
- 🔒 Concerns about free trial sign-ups
- 🔒 Difficult to cancel subscription
- 👎 Lacks weekly/monthly views

**Reported bugs**

- Sync issues between devices
- App crashes and data loss
- Keyboard not working on iPad
- Distorted font in calendar view

**Requested features**

- Add weekly and monthly views
- Improve Apple Pencil support
- Add project management features
- Integrate with more calendar/task apps
- Provide better training and tutorials


### Green Thumbometer

[App page](https://appshunter.io/ios/app/green-thumbometer/id1501761092)

This app helps gardeners plan and track their tasks with customizable monthly checklists, a gardening journal, and a shopping list. It provides seasonal task guidance based on hemisphere and includes a map to find local gardening stores.

**Highlights:** Customizable monthly gardening checklists, Gardening journal with notes and photos, In-app shopping list, Gardening store locator map, Seasonal task customization by hemisphere, Task sharing and integration with other apps

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Opus One free?

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

### Is Green Thumbometer free?

Green Thumbometer costs $2.99, with no in-app purchases.

### Which has better reviews, Opus One or Green Thumbometer?

Opus One is rated higher. Opus One averages 4.7 out of 5 from 973 ratings, while Green Thumbometer averages 2.0 from 1 ratings.

### Do Opus One or Green Thumbometer have ads?

Neither Opus One nor Green Thumbometer shows ads.

### Which is updated more often, Opus One or Green Thumbometer?

Opus One ships an update every 3 weeks, and Green Thumbometer every 3 months. Most recently, Opus One was updated on October 18, 2026 and Green Thumbometer on September 27, 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.*