# Bloom vs Heightometer

The clearest difference is review sentiment: Heightometer at 100% against Bloom's 33%. Heightometer also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (9.0 vs 15.0). Bloom's advantage is price (Free vs $0.99) and rating (4.7 vs 3.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Bloom is free to download; Heightometer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bloom holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews complicate that: 33% of Bloom's written reviews are positive against 100% of Heightometer's, so the app with the better star average is not the one people write more warmly about.

Bloom ships an update every 2 months, Heightometer every 2 days. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Bloom | Heightometer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/bloom-ai-hydration-estimator/id1487508527/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/heightometer-height-predictor/id1620546792/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Paid |
| Size | 200 MB | 43 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Algorithmic Mashup, Inc.](https://appshunter.io/developer/1487508526) | [Kartik Khatana](https://appshunter.io/developer/1664325011) |

## What reviewers say

### Bloom

[App page](https://appshunter.io/ios/app/bloom-ai-hydration-estimator/id1487508527)

This application uses AI to estimate your hydration level from a selfie. It also allows you to log blood glucose levels and sync with the Health app. Maintain optimal hydration for better health and performance.

**Highlights:** AI hydration estimation from selfies, Blood glucose logging, Health app integration, On-device AI processing, Hydration reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### Heightometer

[App page](https://appshunter.io/ios/app/heightometer-height-predictor/id1620546792)

This application uses scientific and mathematical calculations based on a child's growth rate to predict their approximate future height. It provides future height estimates in both inches and centimeters for children aged 8 to 18.

**Highlights:** Future height prediction, Growth rate analysis, Scientific calculations, Mathematical formulas, Height in inches and centimeters, Child age range 8-18

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

**In-app purchases:** none


## Frequently asked questions

### Is Bloom free?

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

### Is Heightometer free?

Heightometer costs $0.99, with no in-app purchases.

### Which has better reviews, Bloom or Heightometer?

Bloom is rated higher. Bloom averages 4.7 out of 5 from 6 ratings, while Heightometer averages 3.0 from 4 ratings.

### Do Bloom or Heightometer have ads?

Neither Bloom nor Heightometer shows ads.

### Which is updated more often, Bloom or Heightometer?

Bloom ships an update every 2 months, and Heightometer every 2 days. Most recently, Bloom was updated on September 28, 2026 and Heightometer on October 11, 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.*