# Pool vs Life Time Left

The clearest difference is review sentiment: Life Time Left at 67% against Pool's 21%. Life Time Left also leads on price (Free vs $4.99) and rating (4.6 vs 4.1). Pool's advantage is in-app purchases (none vs 3) and ratings volume (630 vs 18). On ads and device support there is nothing between them.

Life Time Left is free to download; Pool costs $4.99 up front. Life Time Left sells 3 in-app purchases, starting at $2.99 per 7 days. Pool asks for nothing beyond the download.

Life Time Left holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: Pool has 630 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 21% of Pool's written reviews are positive against 67% of Life Time Left's.

Pool ships an update every 5 weeks, Life Time Left weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Pool | Life Time Left |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.1 (630 ratings)](https://appshunter.io/ios/app/pool-calculator/id412876581/reviews) | **[4.6 (18 ratings)](https://appshunter.io/ios/app/life-time-left-4k-weeks/id6751210937/reviews)** |
| Number of ratings | **630** | 18 |
| Positive reviews | 21.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free** | Subscription |
| Size | 17 MB | 43 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pool and Spa Resources, LLC](https://appshunter.io/developer/1358030201) | [Edwing H Santos Mena](https://appshunter.io/developer/1851857999) |

## What reviewers say

### Pool

[App page](https://appshunter.io/ios/app/pool-calculator/id412876581)

This app simplifies swimming pool and hot tub chemistry maintenance by performing all necessary calculations. It provides clear instructions on chemical dosages to maintain balanced, clear water, eliminating the need for complex charts and formulas.

**Highlights:** Chemical dosage calculations, Pool volume calculation, Chemical effects analysis, Customizable chemical ranges, Offline functionality

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Useful pool chemistry calculator
- 🚀 Makes pool maintenance easy
- 👍 Provides chemical dosage recommendations
- 🔍 Helpful 'Effects' tool to understand chemical impacts

**What reviewers complain about**

- 🐛 Accuracy issues with certain chemical calculations
- 🔍 Confusing or outdated chemical names
- 🔍 Limited customization options
- 🐛 Crashes and compatibility issues with newer iOS versions

**Reported bugs**

- App crashes on launch for many users
- Keyboard issues preventing data entry
- Incorrect chemical effect information (e.g. soda ash)
- Volume calculation not updating properly

**Requested features**

- Ability to save and track test history
- Support for multiple pools/spas
- Metric-only unit support
- More detailed chemical dosage information (e.g. weight-based)


### Life Time Left

[App page](https://appshunter.io/ios/app/life-time-left-4k-weeks/id6751210937)

Visualize your life in weeks and cultivate mindfulness with a simple Stoic journal. Track weeks spent and remaining, and jot down quick thoughts with mood tags to foster calm and focus.

**Highlights:** Life calendar with weeks spent and left, Quick journal entries with mood tags, Pattern spotting and momentum building, Minimalist grid for quick glances, Privacy-focused with on-device data

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per 7 days |
| Pro | $9.99 | per month |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Pool free?

Pool costs $4.99, with no in-app purchases.

### Is Life Time Left free?

Life Time Left is free to download, with in-app purchases available.

### Which has better reviews, Pool or Life Time Left?

Life Time Left is rated higher. Pool averages 4.1 out of 5 from 630 ratings, while Life Time Left averages 4.6 from 18 ratings.

### Do Pool or Life Time Left have ads?

Neither Pool nor Life Time Left shows ads.

### Which is updated more often, Pool or Life Time Left?

Pool ships an update every 5 weeks, and Life Time Left weekly. Most recently, Pool was updated on November 7, 2026 and Life Time Left on November 5, 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.*