# eAbacus vs GeniusCalc

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

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

eAbacus ships an update every 2 weeks, GeniusCalc fortnightly. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | eAbacus | GeniusCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 14 MB | 14 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Weigan Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1896482773) | [明菊 唐](https://appshunter.io/developer/6802483393) |

## What reviewers say

### eAbacus

[App page](https://appshunter.io/ios/app/eabacus/id6768071040)

**Features:** Vision Pro support

**In-app purchases:** none


### GeniusCalc

[App page](https://appshunter.io/ios/app/geniuscalc-smart-calculator/id6802524358)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $3.99 | per month |
| Yearly VIP | $6.99 | per year |
| Lifetime VIP | $9.99 | one-time |


## Frequently asked questions

### Is eAbacus free?

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

### Is GeniusCalc free?

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

### Do eAbacus or GeniusCalc have ads?

GeniusCalc shows ads; eAbacus does not.

### Which is updated more often, eAbacus or GeniusCalc?

eAbacus ships an update every 2 weeks, and GeniusCalc fortnightly. Most recently, eAbacus was updated on October 25, 2026 and GeniusCalc on October 10, 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.*