# Reeft Abcus vs CitrusEcho

Reeft Abcus and CitrusEcho 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, CitrusEcho every 2 weeks. The most recent releases landed on September 17, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | Reeft Abcus | CitrusEcho |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Size | 50 MB | 56 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hoi Le Thang](https://appshunter.io/developer/6786999190) | [Ngoc Le Thi Phuong](https://appshunter.io/developer/6796221499) |

## What reviewers say

### Reeft Abcus

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

**Features:** macOS Compatibility

**In-app purchases:** none


### CitrusEcho

[App page](https://appshunter.io/ios/app/citrusecho/id6796221497)

**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 CitrusEcho free?

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

### Do Reeft Abcus or CitrusEcho have ads?

Neither Reeft Abcus nor CitrusEcho shows ads.

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

Reeft Abcus ships an update fortnightly, and CitrusEcho every 2 weeks. Most recently, Reeft Abcus was updated on September 17, 2026 and CitrusEcho on August 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.*