# Calculator Plus vs Dotti.fy

The clearest difference is in-app purchases: Calculator Plus at none against Dotti.fy's 1. Calculator Plus also leads on update cadence (weekly vs every 6 weeks). Dotti.fy's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Dotti.fy sells 1 one-off in-app purchase. Calculator Plus asks for nothing beyond the download.

Calculator Plus ships an update weekly, Dotti.fy every 6 weeks. The most recent releases landed on September 11, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | Calculator Plus | Dotti.fy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dottify/id6744642502/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 14 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deep Jerajbhai Davara](https://appshunter.io/developer/1683267123) | [Dharmesh Malaviya](https://appshunter.io/developer/1477700965) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-multicalc/id6738636098)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dotti.fy

[App page](https://appshunter.io/ios/app/dottify/id6744642502)

This interactive matching game uses playful visuals and a fun soundtrack to enhance memory, focus, and color recognition. Tap to match emojis, colors, numbers, letters, or symbols quickly before time runs out. It offers various categories for curious minds of all ages.

**Highlights:** Emoji, Alphabet, Numbers, Colours, Symbols game modes, Interactive interface with animations, Timed gameplay for quick thinking, Confetti celebration on win, Safe for all ages, Great for early learners

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free Lifetime | $0.99 | one-time |


## Frequently asked questions

### Is Calculator Plus free?

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

### Is Dotti.fy free?

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

### Do Calculator Plus or Dotti.fy have ads?

Neither Calculator Plus nor Dotti.fy shows ads.

### Which is updated more often, Calculator Plus or Dotti.fy?

Calculator Plus ships an update weekly, and Dotti.fy every 6 weeks. Most recently, Calculator Plus was updated on September 11, 2026 and Dotti.fy on August 9, 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.*