# H2O vs Follow Through EF

The clearest difference is in-app purchases: Follow Through EF at none against H2O's 6. Follow Through EF also leads on rating (5.0 vs 4.5) and review sentiment (100% vs 85%). H2O's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (175 vs 2). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. H2O sells 4 in-app purchases, starting at $1.99 per month. Follow Through EF asks for nothing beyond the download.

Follow Through EF holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: H2O has 175 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of H2O's written reviews are positive against 100% of Follow Through EF's.

H2O ships an update every 3 days, Follow Through EF every 3 weeks. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | H2O | Follow Through EF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (175 ratings)](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/follow-through-ef/id6806524830/reviews)** |
| Number of ratings | **175** | 2 |
| Positive reviews | 84.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | Free |
| Size | 48 MB | 45 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Lunarbits LLC](https://appshunter.io/developer/6799532918) | [Christina Cummins](https://appshunter.io/developer/6806524832) |

## What reviewers say

### H2O

[App page](https://appshunter.io/ios/app/h2o-water-tracker/id1161140846)

This application helps you monitor your daily water consumption to ensure you stay adequately hydrated. It offers a visually appealing interface with features for quickly logging intake and reviewing your progress.

**Highlights:** Log water intake quickly, Preset water amounts, Weekly intake graph, Full history of entries, HealthKit integration, Intuitive interface

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| H2O Pro Monthly | $1.99 | per month |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Yearly | $9.99 | per year |
| H2O Pro Lifetime | $19.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 💰 Free to use
- 🚫 Ad-free experience
- ✨ Clean and minimalist design
- 🚀 Quick and easy logging

**What reviewers complain about**

- 🐛 App crashes when accessing settings
- 🐛 App shuts off when accessing settings
- 🐛 Graph feature not working
- 💡 Missing reminder notifications
- 💡 Cannot edit previous day's entries

**Reported bugs**

- App crashes when accessing settings
- App shuts off when accessing settings
- Graph feature not working
- App closes when goal is reached
- Glitches when reaching goal

**Requested features**

- Add reminder notifications
- Allow editing of previous day's entries
- Add metric units (ml/L)
- Add widget support
- Add export to HealthKit option


### Follow Through EF

[App page](https://appshunter.io/ios/app/follow-through-ef/id6806524830)

This app helps adults with executive functioning challenges, including NVLD and ADHD, track their progress over 13-week sprints. It monitors core actions, biological standards like sleep and nutrition, and engagement with accountability partners to provide a weekly performance score.

**Highlights:** 13-week performance sprints, Track core actions and personal targets, Monitor biological standards (sleep, nutrition, movement), Track engagement with accountability partners, Weekly Green, Yellow, Red performance scores, Designed for NVLD, ADHD, and executive functioning challenges

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

**In-app purchases:** none


## Frequently asked questions

### Is H2O free?

H2O is free to download, with in-app purchases available.

### Is Follow Through EF free?

Follow Through EF is free to download, with no in-app purchases.

### Which has better reviews, H2O or Follow Through EF?

Follow Through EF is rated higher. H2O averages 4.5 out of 5 from 175 ratings, while Follow Through EF averages 5.0 from 2 ratings.

### Do H2O or Follow Through EF have ads?

Neither H2O nor Follow Through EF shows ads.

### Which is updated more often, H2O or Follow Through EF?

H2O ships an update every 3 days, and Follow Through EF every 3 weeks. Most recently, H2O was updated on November 1, 2026 and Follow Through EF on October 26, 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.*