# -48 Calculator vs Aiku

The clearest difference is update cadence: -48 Calculator at monthly against Aiku's every 6 months. -48 Calculator also leads on ratings volume (24 vs 6). On price, rating, review sentiment and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for -48 Calculator against 5.0 for Aiku. Both are backed by a comparable volume of ratings — 24 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

-48 Calculator ships an update monthly, Aiku every 6 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | -48 Calculator | Aiku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (24 ratings)](https://appshunter.io/ios/app/48-calculator/id6448708115/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/aiku/id6467768859/reviews) |
| Number of ratings | **24** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Free | Free |
| Size | 37 MB | 18 MB |
| Requires iOS | **17.1** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thomas McSorley](https://appshunter.io/developer/1685728168) | [Delver Sciences, LLC](https://appshunter.io/developer/1695378719) |

## What reviewers say

### -48 Calculator

[App page](https://appshunter.io/ios/app/48-calculator/id6448708115)

This app converts text into numerical values using various cipher dictionaries. It allows saving and searching phrases, calculating date differences, and analyzing public domain Bible texts and archived online posts.

**Highlights:** Text to numeric value conversion, Multiple cipher dictionaries, Save and search phrases, Date difference calculator, Analyze Bible texts, Analyze archived online posts

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

**In-app purchases:** none


### Aiku

[App page](https://appshunter.io/ios/app/aiku/id6467768859)

This app uses AI to compose unique haiku poems based on your ideas and themes. Share your generated poetry on social media. Discover new perspectives through creative writing.

**Highlights:** AI-generated haiku poems, Personalized poem composition, Unique and spontaneous creations, Social media sharing, Inspirational insights and reflection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is -48 Calculator free?

-48 Calculator is free to download, with no in-app purchases.

### Is Aiku free?

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

### Which has better reviews, -48 Calculator or Aiku?

-48 Calculator and Aiku are both rated 5.0 out of 5 on the App Store, from 24 and 6 ratings respectively.

### Do -48 Calculator or Aiku have ads?

Neither -48 Calculator nor Aiku shows ads.

### Which is updated more often, -48 Calculator or Aiku?

-48 Calculator ships an update monthly, and Aiku every 6 months. Most recently, -48 Calculator was updated on October 17, 2026 and Aiku on October 12, 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.*