# Costify vs Abbonix

The clearest difference is in-app purchases: Abbonix at none against Costify's 3. Abbonix also leads on ads (none vs shown). Costify's advantage is iOS requirement (18.5 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Costify sells 3 in-app purchases, starting at $3.99 per month. Abbonix asks for nothing beyond the download.

Costify ships an update fortnightly, Abbonix weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Costify | Abbonix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/costify-expense-tracker/id6751731345/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 100 MB | 46 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [MARLON JOEL PITTERS](https://appshunter.io/developer/1824808902) | [TS Innovation](https://appshunter.io/developer/1565009086) |

## What reviewers say

### Costify

[App page](https://appshunter.io/ios/app/costify-expense-tracker/id6751731345)

Easily track personal or group expenses with this app. Create multiple trackers, attach receipts, split costs, and analyze spending. Offers installment plans and currency conversion.

**Highlights:** Multiple expense trackers, Real-time expense sharing, Automatic cost splitting, Receipt and file attachments, CSV/PDF export, Spending analytics, Installment plan management

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Costify Pro Monthly | $3.99 | per month |
| Costify Pro Yearly | $22.99 | per year |
| Costify Pro Lifetime | $79.99 | one-time |


### Abbonix

[App page](https://appshunter.io/ios/app/abbonix/id6753317866)

**In-app purchases:** none


## Frequently asked questions

### Is Costify free?

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

### Is Abbonix free?

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

### Do Costify or Abbonix have ads?

Costify shows ads; Abbonix does not.

### Which is updated more often, Costify or Abbonix?

Costify ships an update fortnightly, and Abbonix weekly. Most recently, Costify was updated on October 28, 2026 and Abbonix on October 28, 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.*