# InterFit Timer vs LightNeedle

The clearest difference is update cadence: LightNeedle at fortnightly against InterFit Timer's every 17 months. 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.

InterFit Timer ships an update every 17 months, LightNeedle fortnightly. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | InterFit Timer | LightNeedle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Fortnightly** |
| Size | 25 MB | 23 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [爱华 刘](https://appshunter.io/developer/1797362038) | [志超 杨](https://appshunter.io/developer/1835421899) |

## What reviewers say

### InterFit Timer

[App page](https://appshunter.io/ios/app/interfit-timer-workout-timer/id6742210663)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### LightNeedle

[App page](https://appshunter.io/ios/app/lightneedle-glp-1-tracker/id6759474081)

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

**In-app purchases:** none


## Frequently asked questions

### Is InterFit Timer free?

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

### Is LightNeedle free?

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

### Do InterFit Timer or LightNeedle have ads?

Neither InterFit Timer nor LightNeedle shows ads.

### Which is updated more often, InterFit Timer or LightNeedle?

InterFit Timer ships an update every 17 months, and LightNeedle fortnightly. Most recently, InterFit Timer was updated on September 19, 2026 and LightNeedle on September 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.*