# Scriven vs Abacus

The clearest difference is price: Abacus at Free against Scriven's $0.99. Abacus also leads on ads (none vs shown) and device support (3 vs 1). Scriven's advantage is update cadence (every 9 days vs every 3 weeks). On in-app purchases there is nothing between them.

Abacus is free to download; Scriven costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scriven ships an update every 9 days, Abacus every 3 weeks. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Scriven | Abacus |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 100 MB | 12 MB |
| Requires iOS | 18.4 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Scriven](https://appshunter.io/developer/1818261951) | [Phuc Huynh](https://appshunter.io/developer/6779869359) |

## What reviewers say

### Scriven

[App page](https://appshunter.io/ios/app/scriven/id6746739736)

**Features:** macOS Compatibility

**In-app purchases:** none


### Abacus

[App page](https://appshunter.io/ios/app/abacus-bead-math/id6780208319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scriven free?

Scriven costs $0.99, with no in-app purchases.

### Is Abacus free?

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

### Do Scriven or Abacus have ads?

Scriven shows ads; Abacus does not.

### Which is updated more often, Scriven or Abacus?

Scriven ships an update every 9 days, and Abacus every 3 weeks. Most recently, Scriven was updated on September 19, 2026 and Abacus on September 22, 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.*