# ABAOnline vs Kalkulo by gammaPlan

The clearest difference is ads: ABAOnline at none against Kalkulo by gammaPlan's shown. ABAOnline also leads on iOS requirement (9.0 vs 12.0). Kalkulo by gammaPlan's advantage is update cadence (every 6 days vs monthly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ABAOnline ships an update monthly, Kalkulo by gammaPlan every 6 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | ABAOnline | Kalkulo by gammaPlan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 6 days** |
| Size | 41 MB | 59 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FED invest](https://appshunter.io/developer/1689354226) | [Admir Malaj](https://appshunter.io/developer/1652378877) |

## What reviewers say

### ABAOnline

[App page](https://appshunter.io/ios/app/abaonline/id1500595238)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kalkulo by gammaPlan

[App page](https://appshunter.io/ios/app/kalkulo-by-gammaplan/id6743623658)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ABAOnline free?

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

### Is Kalkulo by gammaPlan free?

Kalkulo by gammaPlan is free to download, with no in-app purchases.

### Do ABAOnline or Kalkulo by gammaPlan have ads?

Kalkulo by gammaPlan shows ads; ABAOnline does not.

### Which is updated more often, ABAOnline or Kalkulo by gammaPlan?

ABAOnline ships an update monthly, and Kalkulo by gammaPlan every 6 days. Most recently, ABAOnline was updated on October 25, 2026 and Kalkulo by gammaPlan on October 25, 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.*