# Define139 Metabolic Mapping vs Last Cycle Challenge

Define139 Metabolic Mapping and Last Cycle Challenge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Define139 Metabolic Mapping ships an update every 4 weeks, Last Cycle Challenge fortnightly. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Define139 Metabolic Mapping | Last Cycle Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 45 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GG Quesenberry, Inc](https://appshunter.io/developer/1767788317) | [SMARTEDU HOLDINGS (PTY) LTD](https://appshunter.io/developer/1824056463) |

## What reviewers say

### Define139 Metabolic Mapping

[App page](https://appshunter.io/ios/app/define139-metabolic-mapping/id6673904775)

**Features:** macOS Compatibility

**In-app purchases:** none


### Last Cycle Challenge

[App page](https://appshunter.io/ios/app/last-cycle-challenge/id6748042175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Define139 Metabolic Mapping free?

Define139 Metabolic Mapping is free to download, with no in-app purchases.

### Is Last Cycle Challenge free?

Last Cycle Challenge is free to download, with no in-app purchases.

### Do Define139 Metabolic Mapping or Last Cycle Challenge have ads?

Neither Define139 Metabolic Mapping nor Last Cycle Challenge shows ads.

### Which is updated more often, Define139 Metabolic Mapping or Last Cycle Challenge?

Define139 Metabolic Mapping ships an update every 4 weeks, and Last Cycle Challenge fortnightly. Most recently, Define139 Metabolic Mapping was updated on October 4, 2026 and Last Cycle Challenge 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.*