# Number Pairing vs Greenleaf Concentration

The clearest difference is update cadence: Greenleaf Concentration at every 10 days against Number Pairing's every 19 months. Greenleaf Concentration also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Number Pairing costs $0.99 and Greenleaf Concentration $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Pairing ships an update every 19 months, Greenleaf Concentration every 10 days. The most recent releases landed on August 31, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | Number Pairing | Greenleaf Concentration |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 10 days** |
| Size | 4 MB | 45 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Jim Haungs](https://appshunter.io/developer/1498282259) | [Greenleaf Creations HB](https://appshunter.io/developer/1788975182) |

## What reviewers say

### Number Pairing

[App page](https://appshunter.io/ios/app/number-pairing/id6444369672)

**Features:** Vision Pro support

**In-app purchases:** none


### Greenleaf Concentration

[App page](https://appshunter.io/ios/app/greenleaf-concentration/id6740215912)

**In-app purchases:** none


## Frequently asked questions

### Is Number Pairing free?

Number Pairing costs $0.99, with no in-app purchases.

### Is Greenleaf Concentration free?

Greenleaf Concentration costs $0.99, with no in-app purchases.

### Do Number Pairing or Greenleaf Concentration have ads?

Neither Number Pairing nor Greenleaf Concentration shows ads.

### Which is updated more often, Number Pairing or Greenleaf Concentration?

Number Pairing ships an update every 19 months, and Greenleaf Concentration every 10 days. Most recently, Number Pairing was updated on August 31, 2026 and Greenleaf Concentration on August 12, 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.*