# HTReminder vs UNTILL

The clearest difference is review sentiment: UNTILL at 100% against HTReminder's 0%. UNTILL also leads on rating (5.0 vs 3.6) and in-app purchases (none vs 6). HTReminder's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. HTReminder sells 6 in-app purchases, starting at $1.99 per month. UNTILL asks for nothing beyond the download.

UNTILL holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 5 and 15 respectively. Written reviews point the same way: 0% of HTReminder's written reviews are positive against 100% of UNTILL's.

HTReminder ships an update every 6 days, UNTILL every 10 days. Both last shipped on November 9, 2026.

## The numbers

| Metric | HTReminder | UNTILL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/htreminder/id6755663309/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/untill/id6759238411/reviews)** |
| Number of ratings | 5 | **15** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Freemium | **Free** |
| Size | 96 MB | 75 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [enoch bryant](https://appshunter.io/developer/1848621858) | [Untill, LLC](https://appshunter.io/developer/1781782217) |

## What reviewers say

### HTReminder

[App page](https://appshunter.io/ios/app/htreminder/id6755663309)

This app uses AI to scan and read your pool or hot tub water test strips, providing instant chemical level readings. It logs all your tests, offers chemical suggestions, and sets maintenance reminders to keep your water balanced and clean.

**Highlights:** AI Test Strip Scanner, Chemical Suggestions, Maintenance Reminders, Water Chemistry History, Multiple Pool/Tub Management, Chemical Inventory Tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Consumer Monthly | $1.99 | per month |
| Professional Basic Monthly | $9.99 | per month |
| Consumer Yearly | $19.99 | per year |
| Professional Plus Monthly | $19.99 | per month |
| Professional Basic Yearly | $99.99 | per year |
| Professional Plus Yearly | $199.00 | per month |


### UNTILL

[App page](https://appshunter.io/ios/app/untill/id6759238411)

This app gamifies and rewards users for spending time away from their screens. It offers solo and group modes, where uninterrupted offline time earns points. The core loop encourages users to disconnect and reconnect with others.

**Highlights:** Gamified unscreening, Solo and group modes, Earn points for offline time, SYNC with other users, HOST SYNC sessions, Focus on human connection

**In-app purchases:** none


## Frequently asked questions

### Is HTReminder free?

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

### Is UNTILL free?

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

### Which has better reviews, HTReminder or UNTILL?

UNTILL is rated higher. HTReminder averages 3.6 out of 5 from 5 ratings, while UNTILL averages 5.0 from 15 ratings.

### Do HTReminder or UNTILL have ads?

Neither HTReminder nor UNTILL shows ads.

### Which is updated more often, HTReminder or UNTILL?

HTReminder ships an update every 6 days, and UNTILL every 10 days. Most recently, HTReminder was updated on November 9, 2026 and UNTILL on November 9, 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.*