# ION ENERGY vs Defect Tracking

The clearest difference is iOS requirement: ION ENERGY at 12.0 against Defect Tracking's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ION ENERGY ships an update every 6 weeks, Defect Tracking every 3 weeks. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ION ENERGY | Defect Tracking |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 37 MB | 32 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Ion Energy Corporation Limited](https://appshunter.io/developer/1575227495) | [AP (THAILAND) PUBLIC COMPANY LIMITED](https://appshunter.io/developer/1049624952) |

## What reviewers say

### ION ENERGY

[App page](https://appshunter.io/ios/app/ion-energy/id1575227493)

**Features:** macOS Compatibility

**In-app purchases:** none


### Defect Tracking

[App page](https://appshunter.io/ios/app/defect-tracking/id6502435987)

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

**In-app purchases:** none


## Frequently asked questions

### Is ION ENERGY free?

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

### Is Defect Tracking free?

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

### Do ION ENERGY or Defect Tracking have ads?

Neither ION ENERGY nor Defect Tracking shows ads.

### Which is updated more often, ION ENERGY or Defect Tracking?

ION ENERGY ships an update every 6 weeks, and Defect Tracking every 3 weeks. Most recently, ION ENERGY was updated on September 8, 2026 and Defect Tracking on September 22, 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.*