# Calivora vs Delta Number Deduce

Calivora and Delta Number Deduce are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calivora ships an update weekly, Delta Number Deduce every 2 weeks. Both last shipped on October 26, 2026.

## The numbers

| Metric | Calivora | Delta Number Deduce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/delta-number-deduce/id6809697249/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free |
| Size | 63 MB | 16 MB |
| Requires iOS | **15** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Chase Frederick Montclair](https://appshunter.io/developer/6807738526) | [Willa Balingit](https://appshunter.io/developer/6809697251) |

## What reviewers say

### Calivora

[App page](https://appshunter.io/ios/app/calivora/id6807738523)

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

**In-app purchases:** none


### Delta Number Deduce

[App page](https://appshunter.io/ios/app/delta-number-deduce/id6809697249)

Engage your mind with dynamic numerical puzzles. Discover hidden patterns, fill in missing numbers, and optimize your strategy to earn stars. This game offers a variety of difficulty levels to sharpen your deductive reasoning skills.

**Highlights:** Numerical difference matrix puzzles, Procedural puzzle generation, Star rating system, Real-time validation, Customizable difficulty, Local save functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Calivora free?

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

### Is Delta Number Deduce free?

Delta Number Deduce is free to download, with no in-app purchases.

### Do Calivora or Delta Number Deduce have ads?

Neither Calivora nor Delta Number Deduce shows ads.

### Which is updated more often, Calivora or Delta Number Deduce?

Calivora ships an update weekly, and Delta Number Deduce every 2 weeks. Most recently, Calivora was updated on October 26, 2026 and Delta Number Deduce on October 26, 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.*