# CostX vs Eiko

The clearest difference is rating: Eiko at 5.0 against CostX's 4.5. Eiko also leads on in-app purchases (none vs 2). CostX's advantage is update cadence (every 4 weeks vs every 15 months) and ratings volume (8 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

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

Eiko holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: CostX has 8 ratings behind it against 1, so its average is the more settled of the two.

CostX ships an update every 4 weeks, Eiko every 15 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | CostX | Eiko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/costx-work-and-cost-estimate/id1645196187/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eiko-nimble-accounter/id6476780702/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 14 MB | 32 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [皓 李](https://appshunter.io/developer/621375881) | [Nikita Volkonskiy](https://appshunter.io/developer/1621578556) |

## What reviewers say

### CostX

[App page](https://appshunter.io/ios/app/costx-work-and-cost-estimate/id1645196187)

This app helps you break down and visualize projects, costs, and products. Create Work, Cost, and Product Breakdown Structures with customizable views and efficient data entry. Easily share and integrate information with other applications.

**Highlights:** Work, Cost, and Product Breakdown Structures (WBS, CBS, PBS), Multiple views: graphical, list, columns, Intuitive data entry and manipulation, Drag-and-drop functionality, Copy and paste support, Customizable attribute fields, Efficient information sharing

**Features:** Vision Pro support

**In-app purchases (2)**

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


### Eiko

[App page](https://appshunter.io/ios/app/eiko-nimble-accounter/id6476780702)

This app offers a visually appealing and user-friendly way to manage personal finances and small business accounting. It simplifies tracking income and expenses with an intuitive interface and vibrant colors, making financial management a straightforward and engaging experience.

**Highlights:** Intuitive interface, Income and expense tracking, Visually appealing design, Personal finance management, Small business accounting, Mobile financial control

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

**In-app purchases:** none


## Frequently asked questions

### Is CostX free?

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

### Is Eiko free?

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

### Which has better reviews, CostX or Eiko?

Eiko is rated higher. CostX averages 4.5 out of 5 from 8 ratings, while Eiko averages 5.0 from 1 ratings.

### Do CostX or Eiko have ads?

Neither CostX nor Eiko shows ads.

### Which is updated more often, CostX or Eiko?

CostX ships an update every 4 weeks, and Eiko every 15 months. Most recently, CostX was updated on November 3, 2026 and Eiko on November 4, 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.*