# Angle Todo vs Atomic Clock

The clearest difference is update cadence: Angle Todo at every 4 days against Atomic Clock's every 6 weeks. Angle Todo also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Angle Todo sells 4 in-app purchases, starting at $0.99 per month and Atomic Clock sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Angle Todo ships an update every 4 days, Atomic Clock every 6 weeks. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Angle Todo | Atomic Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 9 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [国龙 赵](https://appshunter.io/developer/1600931443) | [家宝 戴](https://appshunter.io/developer/1826395838) |

## What reviewers say

### Angle Todo

[App page](https://appshunter.io/ios/app/angle-todo/id1601760271)

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $0.99 | per month |
| Monthly VIP For Family | $1.49 | per month |
| Yearly VIP | $10.99 | per year |
| Monthly VIP For Family | $16.99 | per year |


### Atomic Clock

[App page](https://appshunter.io/ios/app/atomic-clock-precision-time/id6760377377)

This utility provides highly accurate time synchronization using NTP, displaying precise time with millisecond detail. It allows comparison with network time, shows sync offset and latency, and offers various clock styles with customization options. It's designed for users needing a reliable, precise reference clock.

**Highlights:** NTP-based time synchronization, Millisecond time detail, Local time and UTC display, Device offset and network latency indicators, Automatic sync, Multiple clock styles, Customizable colors and night mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AtomicClock Pro Monthly | $5.99 | per month |
| AtomicClock Pro Monthly | $19.99 | per year |


## Frequently asked questions

### Is Angle Todo free?

Angle Todo is free to download, with in-app purchases available.

### Is Atomic Clock free?

Atomic Clock is free to download, with in-app purchases available.

### Do Angle Todo or Atomic Clock have ads?

Neither Angle Todo nor Atomic Clock shows ads.

### Which is updated more often, Angle Todo or Atomic Clock?

Angle Todo ships an update every 4 days, and Atomic Clock every 6 weeks. Most recently, Angle Todo was updated on October 16, 2026 and Atomic Clock on October 6, 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.*