# Interval Timer with graph vs Digital Link

The clearest difference is update cadence: Digital Link at every 5 weeks against Interval Timer with graph's every 85 months. Interval Timer with graph's advantage is iOS requirement (10.3 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval Timer with graph ships an update every 85 months, Digital Link every 5 weeks. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Interval Timer with graph | Digital Link |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (50 ratings)](https://appshunter.io/ios/app/digital-link/id936249854/reviews)** |
| Number of ratings | — | **50** |
| Positive reviews | — | 43.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 85 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 71 MB |
| Requires iOS | **10.3** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TAKUMI TATEISHI](https://appshunter.io/developer/602060943) | [Competition Electronics](https://appshunter.io/developer/936249853) |

## What reviewers say

### Interval Timer with graph

[App page](https://appshunter.io/ios/app/interval-timer-with-graph/id602060940)

**Features:** macOS Compatibility

**In-app purchases:** none


### Digital Link

[App page](https://appshunter.io/ios/app/digital-link/id936249854)

Control your chronograph and manage velocity data wirelessly from your smartphone or tablet. Ideal for testing shooting loads and skills for speed and consistency.

**Highlights:** Wireless chronograph control, Velocity data collection, Modern user interface, Smartphone/tablet connectivity, Load testing, Shooting skill analysis

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and operate
- 🚀 Calculates and displays data well
- 💡 Good for load development
- 👍 User interface is friendly and functional
- 👍 Works great on iPhone and iPad

**What reviewers complain about**

- 🐛 Constantly losing connection
- 🐛 App crashes or freezes
- 🐛 Not compatible with latest iOS updates
- 🐛 Digital link not supported
- 🐛 Bluetooth not supported

**Reported bugs**

- Digital link not supported
- Bluetooth not supported
- Constantly losing connection
- Edit function not working
- Backup file corrupt

**Requested features**

- Update for latest iOS versions
- Support for Bluetooth
- Ability to print reports from iPhone
- Dark mode option
- Organize shot data by gun/caliber/load


## Frequently asked questions

### Is Interval Timer with graph free?

Interval Timer with graph is free to download, with no in-app purchases.

### Is Digital Link free?

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

### Do Interval Timer with graph or Digital Link have ads?

Neither Interval Timer with graph nor Digital Link shows ads.

### Which is updated more often, Interval Timer with graph or Digital Link?

Interval Timer with graph ships an update every 85 months, and Digital Link every 5 weeks. Most recently, Interval Timer with graph was updated on October 15, 2026 and Digital Link on October 19, 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.*