# Precise Timestamp vs InstantLog

The clearest difference is in-app purchases: Precise Timestamp at none against InstantLog's 1. Precise Timestamp also leads on ads (none vs shown) and ratings volume (7 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. InstantLog sells 1 one-off in-app purchase. Precise Timestamp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Precise Timestamp against 5.0 for InstantLog. That said, the two scores are not equally well evidenced: Precise Timestamp has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Precise Timestamp ships an update every 5 weeks, InstantLog every 2 months. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Precise Timestamp | InstantLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/precise-timestamp/id6463294734/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/instantlog-quick-timestamp/id6757126092/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 8 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Chris Gillin](https://appshunter.io/developer/1565599090) | [WEI-LUN HUANG](https://appshunter.io/developer/1540087284) |

## What reviewers say

### Precise Timestamp

[App page](https://appshunter.io/ios/app/precise-timestamp/id6463294734)

Capture events with unparalleled accuracy, down to the tenth of a second. Synchronize with NTP servers for precise timekeeping and view detailed sync information. Organize events with descriptions and toggle between absolute and relative time displays.

**Highlights:** NTP server synchronization, Tenth-of-a-second accuracy, Absolute and relative time modes, Event descriptions, Event sorting and grouping, Sync time details

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

**In-app purchases:** none


### InstantLog

[App page](https://appshunter.io/ios/app/instantlog-quick-timestamp/id6757126092)

Effortlessly capture important moments with a single tap. Log time for work, study, or routines, add notes, and organize entries with custom tags. Offers smart auto-fill and history viewing for easy management.

**Highlights:** One-tap time logging, Custom time entry, Quick tags for categorization, Smart auto-fill notes, History view with search and filters, CSV export (Premium), Backup and restore (Premium), Home screen widgets, Apple Watch support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstantLog - Quick Timestamp | $1.99 | one-time |


## Frequently asked questions

### Is Precise Timestamp free?

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

### Is InstantLog free?

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

### Which has better reviews, Precise Timestamp or InstantLog?

Precise Timestamp and InstantLog are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Precise Timestamp or InstantLog have ads?

InstantLog shows ads; Precise Timestamp does not.

### Which is updated more often, Precise Timestamp or InstantLog?

Precise Timestamp ships an update every 5 weeks, and InstantLog every 2 months. Most recently, Precise Timestamp was updated on September 17, 2026 and InstantLog on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*