# Reeft Abcus vs HarborForge

Reeft Abcus and HarborForge 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.

Reeft Abcus ships an update fortnightly, HarborForge every 11 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Reeft Abcus | HarborForge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Size | 50 MB | 43 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoi Le Thang](https://appshunter.io/developer/6786999190) | [Tran Thi Tam](https://appshunter.io/developer/6788561465) |

## What reviewers say

### Reeft Abcus

[App page](https://appshunter.io/ios/app/reeft-abcus/id6786999188)

**Features:** macOS Compatibility

**In-app purchases:** none


### HarborForge

[App page](https://appshunter.io/ios/app/harborforge/id6788561463)

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

**In-app purchases:** none


## Frequently asked questions

### Is Reeft Abcus free?

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

### Is HarborForge free?

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

### Do Reeft Abcus or HarborForge have ads?

Neither Reeft Abcus nor HarborForge shows ads.

### Which is updated more often, Reeft Abcus or HarborForge?

Reeft Abcus ships an update fortnightly, and HarborForge every 11 days. Most recently, Reeft Abcus was updated on October 4, 2026 and HarborForge on October 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.*