# PhoneTest.App vs TimegrapherZ

The clearest difference is price: PhoneTest.App at Free against TimegrapherZ's $2.99. PhoneTest.App also leads on update cadence (every 11 days vs every 4 months) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

PhoneTest.App is free to download; TimegrapherZ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PhoneTest.App ships an update every 11 days, TimegrapherZ every 4 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PhoneTest.App | TimegrapherZ |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/phonetestapp/id1553982012/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Free | — |
| Size | 7 MB | 20 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Lemmens](https://appshunter.io/developer/1553982014) | [Noubug Technologies Limited](https://appshunter.io/developer/1177106715) |

## What reviewers say

### PhoneTest.App

[App page](https://appshunter.io/ios/app/phonetestapp/id1553982012)

Diagnose hardware and system issues on your iPhone with comprehensive tests. Offers both quick and in-depth diagnostic modes to pinpoint problems.

**Highlights:** Hardware diagnostics, System diagnostics, Express test mode, Full test mode, Problem identification

**In-app purchases:** none


### TimegrapherZ

[App page](https://appshunter.io/ios/app/timegrapherz/id6784609633)

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

**In-app purchases:** none


## Frequently asked questions

### Is PhoneTest.App free?

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

### Is TimegrapherZ free?

TimegrapherZ costs $2.99, with no in-app purchases.

### Do PhoneTest.App or TimegrapherZ have ads?

Neither PhoneTest.App nor TimegrapherZ shows ads.

### Which is updated more often, PhoneTest.App or TimegrapherZ?

PhoneTest.App ships an update every 11 days, and TimegrapherZ every 4 months. Most recently, PhoneTest.App was updated on October 24, 2026 and TimegrapherZ on October 28, 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.*