# Calculator+ Photo Math Solver vs OTA Tools

The clearest difference is in-app purchases: OTA Tools at none against Calculator+ Photo Math Solver's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator+ Photo Math Solver sells 3 in-app purchases, starting at $4.99 per 7 days. OTA Tools asks for nothing beyond the download.

## The numbers

| Metric | Calculator+ Photo Math Solver | OTA Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (21 ratings)](https://appshunter.io/ios/app/calculator-plus-photo-math-solver/id1226646910/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Subscription | — |
| Size | 32 MB | 13 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LYKOV STUDIO LTD](https://appshunter.io/developer/1783754094) | [贵州正安娜塔莎乐器制造有限公司](https://appshunter.io/developer/1679499720) |

## What reviewers say

### Calculator+ Photo Math Solver

[App page](https://appshunter.io/ios/app/calculator-plus-photo-math-solver/id1226646910)

This app offers a straightforward yet capable calculator for daily use on iPhone and iPad. It includes all essential arithmetic functions and maintains a history of your computations. Enjoy features like saving, copying, and forwarding calculations, along with a dark theme and multitasking support.

**Highlights:** Simple and fast calculation, Calculation history, iPad version support, Multitasking (Split View), Save, copy, and forward calculations, Backspace button, Dark theme

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Премиум неделя | $4.99 | per 7 days |
| Премиум год | $29.99 | per year |
| Lifetime | $39.99 | one-time |


### OTA Tools

[App page](https://appshunter.io/ios/app/ota-tools/id6783259256)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator+ Photo Math Solver free?

Calculator+ Photo Math Solver is free to download, with in-app purchases available.

### Is OTA Tools free?

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

### Do Calculator+ Photo Math Solver or OTA Tools have ads?

Neither Calculator+ Photo Math Solver nor OTA Tools shows ads.

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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.*