# Date Check vs Pool Log

The clearest difference is in-app purchases: Date Check at none against Pool Log's 2. Date Check also leads on rating (5.0 vs 4.7) and iOS requirement (8.0 vs 26.0). Pool Log's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (6 vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Pool Log sells 2 in-app purchases, starting at $0.99 per month. Date Check asks for nothing beyond the download.

Date Check holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively.

Date Check ships an update every 4 months, Pool Log every 2 weeks. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Date Check | Pool Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/date-check/id1036715653/reviews)** | [4.7 (6 ratings)](https://appshunter.io/ios/app/pool-log/id6744295287/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 26 MB | 11 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Salted Apps](https://appshunter.io/developer/1036715652) | [Michael Holloway](https://appshunter.io/developer/877302832) |

## What reviewers say

### Date Check

[App page](https://appshunter.io/ios/app/date-check/id1036715653)

Easily calculate future or past dates by adding or subtracting any number of days and/or weeks. This tool is useful for anyone needing to determine specific future or past dates, from medical professionals to everyday users.

**Highlights:** Calculate future dates, Calculate past dates, Add days and weeks, Subtract days and weeks, Customizable start date, Switch between add/subtract modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Pool Log

[App page](https://appshunter.io/ios/app/pool-log/id6744295287)

This app provides precise chemical dosing instructions for pools and spas based on your test results. It tracks multiple water bodies, integrates local weather data, and offers advanced features like SLAM mode for algae and CSI calculations. All data is stored locally for privacy.

**Highlights:** Precise chemical dosing instructions, Manages multiple pools and spas, Weather-aware test result tracking, SLAM mode for algae treatment, Calcite Saturation Index (CSI) calculation, Chemical addition logging, Maintenance task tracking

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Annual Plan | $7.99 | per year |


## Frequently asked questions

### Is Date Check free?

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

### Is Pool Log free?

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

### Which has better reviews, Date Check or Pool Log?

Date Check is rated higher. Date Check averages 5.0 out of 5 from 2 ratings, while Pool Log averages 4.7 from 6 ratings.

### Do Date Check or Pool Log have ads?

Neither Date Check nor Pool Log shows ads.

### Which is updated more often, Date Check or Pool Log?

Date Check ships an update every 4 months, and Pool Log every 2 weeks. Most recently, Date Check was updated on October 2, 2026 and Pool Log on September 30, 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.*