# ISC NIRScan vs Live Timekeeper｜Visual Timer

The clearest difference is in-app purchases: ISC NIRScan at none against Live Timekeeper｜Visual Timer's 5. ISC NIRScan also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). Live Timekeeper｜Visual Timer's advantage is update cadence (daily vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Live Timekeeper｜Visual Timer sells 5 in-app purchases, starting at $0.99 per month. ISC NIRScan asks for nothing beyond the download.

ISC NIRScan ships an update every 2 months, Live Timekeeper｜Visual Timer daily. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ISC NIRScan | Live Timekeeper｜Visual Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 38 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [He Yi Hsieh](https://appshunter.io/developer/1081259026) | [kentaro hirahara](https://appshunter.io/developer/1895391848) |

## What reviewers say

### ISC NIRScan

[App page](https://appshunter.io/ios/app/isc-nirscan/id1414155482)

**Features:** macOS Compatibility

**In-app purchases:** none


### Live Timekeeper｜Visual Timer

[App page](https://appshunter.io/ios/app/live-timekeepervisual-timer/id6799938897)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads – Monthly | $0.99 | per month |
| Support S | $1.00 | one-time |
| Remove Ads | $5.99 | one-time |
| Support M | $10.00 | one-time |
| Support L | $100.00 | one-time |


## Frequently asked questions

### Is ISC NIRScan free?

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

### Is Live Timekeeper｜Visual Timer free?

Live Timekeeper｜Visual Timer is free to download, with in-app purchases available.

### Do ISC NIRScan or Live Timekeeper｜Visual Timer have ads?

Live Timekeeper｜Visual Timer shows ads; ISC NIRScan does not.

### Which is updated more often, ISC NIRScan or Live Timekeeper｜Visual Timer?

ISC NIRScan ships an update every 2 months, and Live Timekeeper｜Visual Timer daily. Most recently, ISC NIRScan was updated on September 15, 2026 and Live Timekeeper｜Visual Timer on September 22, 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.*