# Owl Decide vs ComboReduce

The clearest difference is in-app purchases: Owl Decide at none against ComboReduce's 2. Owl Decide also leads on ratings volume (9 vs 1) and iOS requirement (9.3 vs 15.6). ComboReduce's advantage is rating (5.0 vs 4.6) and update cadence (every 2 months vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. ComboReduce sells 2 in-app purchases, starting at $1.99 per month. Owl Decide asks for nothing beyond the download.

ComboReduce holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Owl Decide has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of Owl Decide's written reviews are positive against 100% of ComboReduce's.

Owl Decide ships an update every 14 months, ComboReduce every 2 months. The most recent releases landed on October 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Owl Decide | ComboReduce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (9 ratings)](https://appshunter.io/ios/app/owl-decide/id1123860591/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/comboreduce/id6757107116/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | **Free** | Freemium |
| Size | 20 MB | 3 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Baydin Inc.](https://appshunter.io/developer/1121758661) | [Didier ALCARAZ](https://appshunter.io/developer/1864570434) |

## What reviewers say

### Owl Decide

[App page](https://appshunter.io/ios/app/owl-decide/id1123860591)

This app helps users make decisions with various random selection tools. Features include yes/no answers, picking one option from a list with weighted choices, generating random numbers within a range, rolling multiple dice, and using a spinner to select from a circular list.

**Highlights:** Yes or No decision maker, Weighted choice picker, Random number generator, Multi-dice roller, Circular spinner tool

**Features:** Vision Pro support

**In-app purchases:** none


### ComboReduce

[App page](https://appshunter.io/ios/app/comboreduce/id6757107116)

This tool helps organize and generate number grids for lotteries. It uses predefined combinatorial systems to reduce the number of grids based on your selected numbers. You can also check results against real draws.

**Highlights:** 5-number and 6-number formats, Select base numbers, Generate grids with predefined systems, Check results against real draws, Organize lottery numbers

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $17.99 | per year |


## Frequently asked questions

### Is Owl Decide free?

Owl Decide is free to download, with no in-app purchases.

### Is ComboReduce free?

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

### Which has better reviews, Owl Decide or ComboReduce?

ComboReduce is rated higher. Owl Decide averages 4.6 out of 5 from 9 ratings, while ComboReduce averages 5.0 from 1 ratings.

### Do Owl Decide or ComboReduce have ads?

Neither Owl Decide nor ComboReduce shows ads.

### Which is updated more often, Owl Decide or ComboReduce?

Owl Decide ships an update every 14 months, and ComboReduce every 2 months. Most recently, Owl Decide was updated on October 22, 2026 and ComboReduce on October 9, 2026.

---

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