# dnCalc vs Storytime AI

The clearest difference is in-app purchases: dnCalc at none against Storytime AI's 2. dnCalc also leads on review sentiment (100% vs 67%) and device support (3 vs 1). Storytime AI's advantage is update cadence (every 4 days vs fortnightly). On price and ads there is nothing between them.

Both are free to download. Storytime AI sells 2 in-app purchases, starting at $1.99 per month. dnCalc asks for nothing beyond the download.

dnCalc ships an update fortnightly, Storytime AI every 4 days. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | dnCalc | Storytime AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (5 ratings)](https://appshunter.io/ios/app/storytime-ai/id6446004918/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 17 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Devious-Monkey](https://appshunter.io/developer/388388527) | [Nathan Chan](https://appshunter.io/developer/1805236160) |

## What reviewers say

### dnCalc

[App page](https://appshunter.io/ios/app/dncalc/id1309683648)

Perform amazing mathematical "experiences" to impress friends and colleagues. This app allows you to reveal secret numbers, ages, zodiac signs, and more, all without touching a calculator. It's easy to use, requires no memorization, and can be done with your eyes closed.

**Highlights:** Reveal secret numbers, Peek at ages and zodiac signs, Calculate birth day of week, Create custom formulas, Works offline, Up to 5 participants

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

**In-app purchases:** none


### Storytime AI

[App page](https://appshunter.io/ios/app/storytime-ai/id6446004918)

Create unique, personalized stories for children with AI. Customize age-appropriateness, length, and character names. Supports multiple languages and offers various story themes or custom prompts.

**Highlights:** AI-generated stories, Personalized story elements, Adjustable age-appropriateness, Customizable story length, Multi-language support, Pre-set story themes

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription (Monthly) | $1.99 | per month |
| Subscription (Annually) | $19.99 | per year |


## Frequently asked questions

### Is dnCalc free?

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

### Is Storytime AI free?

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

### Do dnCalc or Storytime AI have ads?

Neither dnCalc nor Storytime AI shows ads.

### Which is updated more often, dnCalc or Storytime AI?

dnCalc ships an update fortnightly, and Storytime AI every 4 days. Most recently, dnCalc was updated on November 4, 2026 and Storytime AI on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*