# Complex Fit vs AIM

The clearest difference is in-app purchases: Complex Fit at none against AIM's 2. Complex Fit also leads on ads (none vs shown) and update cadence (every 9 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. AIM sells 2 in-app purchases, starting at $7.99 per month. Complex Fit asks for nothing beyond the download.

Complex Fit ships an update every 9 days, AIM every 6 weeks. The most recent releases landed on May 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Complex Fit | AIM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (16 ratings)](https://appshunter.io/ios/app/aim-routine-and-mood-tracker/id6608984281/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 110 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Digital real marketing LLC](https://appshunter.io/developer/1641709517) | [Elena Gukasova](https://appshunter.io/developer/1761203279) |

## What reviewers say

### Complex Fit

[App page](https://appshunter.io/ios/app/complex-fit/id1660929120)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIM

[App page](https://appshunter.io/ios/app/aim-routine-and-mood-tracker/id6608984281)

Monitor your mood, daily habits, and routines to foster positive changes. Log emotions, complete tasks, and build consistent routines. Explore articles and quizzes to understand yourself better and improve your quality of life.

**Highlights:** Habit tracking and progress monitoring, Daily mood logging and visualization, Personal journaling for emotional insight, Knowledge library with articles and quizzes, Routine building and self-improvement tools

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Annual Subscription | $19.99 | per year |


## Frequently asked questions

### Is Complex Fit free?

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

### Is AIM free?

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

### Do Complex Fit or AIM have ads?

AIM shows ads; Complex Fit does not.

### Which is updated more often, Complex Fit or AIM?

Complex Fit ships an update every 9 days, and AIM every 6 weeks. Most recently, Complex Fit was updated on May 16, 2026 and AIM on September 18, 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.*