# TrueOffset vs Mirror Timer

The clearest difference is in-app purchases: TrueOffset at none against Mirror Timer's 1. TrueOffset also leads on ads (none vs shown). Mirror Timer's advantage is update cadence (every 6 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mirror Timer sells 1 one-off in-app purchase. TrueOffset asks for nothing beyond the download.

TrueOffset ships an update fortnightly, Mirror Timer every 6 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TrueOffset | Mirror Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/trueoffset/id6757518499/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | — |
| Size | 4 MB | 5 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Bollar](https://appshunter.io/developer/1864304955) | [Reckona Inc.](https://appshunter.io/developer/1215787077) |

## What reviewers say

### TrueOffset

[App page](https://appshunter.io/ios/app/trueoffset/id6757518499)

This app precisely measures your device's clock accuracy against global time servers. It offers multiple clock faces, time scales, and audible time signals, including radio time codes. Analyze time source quality with detailed charts and compare IPv4/IPv6 responses.

**Highlights:** NTP server comparison, Multiple clock faces (analog, digital, NTP offset), UTC & TAI time scales, Audible time signals and radio time codes, Dual-stack IPv4/IPv6 comparison, Flexible time source selection, Quality analytics charts

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

**In-app purchases:** none


### Mirror Timer

[App page](https://appshunter.io/ios/app/mirror-timer/id6794647877)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is TrueOffset free?

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

### Is Mirror Timer free?

Mirror Timer is free to download, with in-app purchases available.

### Do TrueOffset or Mirror Timer have ads?

Mirror Timer shows ads; TrueOffset does not.

### Which is updated more often, TrueOffset or Mirror Timer?

TrueOffset ships an update fortnightly, and Mirror Timer every 6 days. Most recently, TrueOffset was updated on October 31, 2026 and Mirror Timer on October 25, 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.*