# Phone Diagnostics vs Smart Calculator Plus

The clearest difference is in-app purchases: Smart Calculator Plus at none against Phone Diagnostics's 1. Phone Diagnostics's advantage is iOS requirement (12 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Phone Diagnostics | Smart Calculator Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (86 ratings)](https://appshunter.io/ios/app/phone-diagnostics/id1171677218/reviews)** | — |
| Number of ratings | **86** | — |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 1 MB |
| Requires iOS | **12** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HITEK_NOVA](https://appshunter.io/developer/1171677217) | [Hector Pedro Toledo](https://appshunter.io/developer/1701292864) |

## What reviewers say

### Phone Diagnostics

[App page](https://appshunter.io/ios/app/phone-diagnostics/id1171677218)

Easily test and check all mobile device functionalities. This app is useful before purchasing a device, sending it for repair, or after receiving it back. It also helps you locate nearby repair shops.

**Highlights:** Test device functionalities, Check hardware before buying, Verify repairs, Find local repair shops, Improve QC processes, Facilitate trade-in

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phone Diagnostics Pro | $4.99 | one-time |

**What reviewers like**

- 👍 Great for testing used phones
- 👍 Easy to use
- 👍 Free to use
- 👍 Helps identify hardware issues
- 👍 Useful for business/trade-ins

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🐛 Ads are intrusive
- 🐛 Some tests are inaccurate
- 🐛 Does not test all features
- 🐛 Can be laggy

**Reported bugs**

- Camera/microphone activity noticed after download
- Charged $149.99 at Apple Store during testing
- NFC check missing
- Repair suggested for skipped NFC test
- Memory tests missing

**Requested features**

- Add NFC/antenna tester
- Add memory tests
- Add eSIM check
- Improve 3D Touch test accuracy
- Improve multi-touch test (more than 2 fingers)


### Smart Calculator Plus

[App page](https://appshunter.io/ios/app/smart-calculator-plus/id6764471833)

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

**In-app purchases:** none


## Frequently asked questions

### Is Phone Diagnostics free?

Phone Diagnostics is free to download, with in-app purchases available.

### Is Smart Calculator Plus free?

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

### Do Phone Diagnostics or Smart Calculator Plus have ads?

Neither Phone Diagnostics nor Smart Calculator Plus 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.*