# Zones for Training vs Simple Insights

The clearest difference is update cadence: Simple Insights at every 2 days against Zones for Training's every 4 weeks. Zones for Training's advantage is ratings volume (19K vs 5) and iOS requirement (17.6 vs 26.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Zones for Training sells 1 one-off in-app purchase and Simple Insights sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Zones for Training against 4.8 for Simple Insights. That said, the two scores are not equally well evidenced: Zones for Training has 19K ratings behind it against 5, so its average is the more settled of the two.

Zones for Training ships an update every 4 weeks, Simple Insights every 2 days. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Zones for Training | Simple Insights |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (19K ratings)](https://appshunter.io/ios/app/zones-for-training/id1139688415/reviews) | [4.8 (5 ratings)](https://appshunter.io/ios/app/simple-insights/id6745983613/reviews) |
| Number of ratings | **19K** | 5 |
| Positive reviews | 69.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 40 MB | 56 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Flask LLP](https://appshunter.io/developer/736602874) | [SV Disrupt LLC](https://appshunter.io/developer/1751430565) |

## What reviewers say

### Zones for Training

[App page](https://appshunter.io/ios/app/zones-for-training/id1139688415)

This app helps you optimize your workouts by monitoring exercise intensity and visualizing it through heart rate zones. It supports over 70 workout types and provides detailed insights into your performance, all accessible on your Apple Watch and iPhone.

**Highlights:** Real-time exercise intensity and heart rate monitoring, Time spent in four heart rate zones, Total workout dashboard from Apple Health, Heart rate zone alerts via Apple Watch taps, Recovery heart rate measurement, Detailed workout data and insights, Widget support for workout summaries

**Features:** Siri integration, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO | $7.99 | one-time |

**What reviewers like**

- 👍 Seamless integration with Apple Watch
- 👍 Helpful for daily stats and weekly/monthly comparisons
- 👍 Motivating haptic feedback on Apple Watch
- 👍 Well-designed app with nice interface
- 👍 Useful for getting fit

**What reviewers complain about**

- 🐛 No after-sale support/service
- 🐛 Inconsistent heart rate tracking
- 🐛 Widgets not working after update
- 🐛 Pauses workout when taking screenshots or using Siri
- 🐛 Glitches causing data loss

**Reported bugs**

- Heart rate not recording properly
- Workout data not syncing correctly
- Workouts pausing unexpectedly
- Inability to delete or edit past workouts
- Inconsistent calorie/distance tracking

**Requested features**

- Ability to edit past workouts
- Option to customize moderate and vigorous intensity zones
- Widgets for active score and zone time
- Ability to set zone-specific goals
- Option to disable zone change vibrations


### Simple Insights

[App page](https://appshunter.io/ios/app/simple-insights/id6745983613)

This app transforms your health and workout data into actionable coaching insights using on-device processing. It provides trend alerts, weekly reports, daily recommendations, and AI-powered answers to your health-related questions.

**Highlights:** AI-powered health coaching, Trend anomaly alerts, Weekly intelligence reports, Daily morning briefings, Natural language AI queries, Apple Health integration, On-device processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simple Insights Monthly | $2.99 | per month |
| Simple Insights Premium Monthly | $4.99 | per month |
| Simple Insights Annual | $29.99 | per year |
| Simple Insights Premium Annual | $39.99 | per year |


## Frequently asked questions

### Is Zones for Training free?

Zones for Training is free to download, with in-app purchases available.

### Is Simple Insights free?

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

### Which has better reviews, Zones for Training or Simple Insights?

Zones for Training and Simple Insights are both rated 4.8 out of 5 on the App Store, from 19K and 5 ratings respectively.

### Do Zones for Training or Simple Insights have ads?

Neither Zones for Training nor Simple Insights shows ads.

### Which is updated more often, Zones for Training or Simple Insights?

Zones for Training ships an update every 4 weeks, and Simple Insights every 2 days. Most recently, Zones for Training was updated on September 24, 2026 and Simple Insights on September 16, 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.*