# Stacks Timer vs AI Lie Detector

The clearest difference is review sentiment: Stacks Timer at 80% against AI Lie Detector's 0%. Stacks Timer also leads on in-app purchases (none vs 17) and iOS requirement (8.0 vs 15.0). AI Lie Detector's advantage is update cadence (every 5 weeks vs every 11 months) and rating (4.3 vs 4.0). On price, ads and device support there is nothing between them.

Both are free to download. AI Lie Detector sells 17 in-app purchases, starting at $3.49 per 7 days. Stacks Timer asks for nothing beyond the download.

AI Lie Detector holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 10 and 44 respectively. Written reviews complicate that: 80% of Stacks Timer's written reviews are positive against 0% of AI Lie Detector's, so the app with the better star average is not the one people write more warmly about.

Stacks Timer ships an update every 11 months, AI Lie Detector every 5 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stacks Timer | AI Lie Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (10 ratings)](https://appshunter.io/ios/app/stacks-timer/id501180699/reviews) | **[4.3 (44 ratings)](https://appshunter.io/ios/app/ai-lie-detector-truth-test/id6502961125/reviews)** |
| Number of ratings | 10 | **44** |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 37 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Codedcognition Ltd](https://appshunter.io/developer/1796647737) | [Firat Caliskan](https://appshunter.io/developer/1731312726) |

## What reviewers say

### Stacks Timer

[App page](https://appshunter.io/ios/app/stacks-timer/id501180699)

This app provides a simple and intuitive way to time speed stacking sessions. It records your best scores, calculates average times, and offers tutorials for beginners and experienced stackers alike. Share your achievements on social media.

**Highlights:** Speed stacking timing, Score saving, Average time calculation, Stacking tutorials, Social media sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Lie Detector

[App page](https://appshunter.io/ios/app/ai-lie-detector-truth-test/id6502961125)

This entertainment app uses AI to analyze photos and generate playful, surprising results for fun. Upload images or use your camera to see entertaining interpretations of facial cues, perfect for sharing with friends and sparking laughter. It's designed purely for amusement and does not offer scientific lie detection.

**Highlights:** Image-based AI analysis, Playful and surprising results, Shareable with friends, Magic 8 Ball feature, Sound effects, Flashlight and screen light tools

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.49 | per 7 days |
| Weekly | $3.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Lie Detector Premium Weekly | $6.99 | per 7 days |
| Lie Detector Premium Weekly | $6.99 | per 7 days |
| Lie Detector Premium Weekly | $7.99 | per 7 days |
| Lie Detector Premium Weekly | $7.99 | per 7 days |
| Lie Detector Premium Weekly | $8.99 | per 7 days |
| Lie Detector Premium Weekly | $8.99 | per 7 days |
| Monthly | $9.99 | per month |
| Monthly | $11.99 | per month |
| Yearly | $19.99 | per year |
| Yearly | $29.99 | per year |
| Lie Detector Premium Yearly | $49.99 | per year |
| Lie Detector Premium Yearly | $49.99 | per year |
| Lifetime Premium | $59.99 | one-time |
| Lifetime Premium | $99.99 | one-time |


## Frequently asked questions

### Is Stacks Timer free?

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

### Is AI Lie Detector free?

AI Lie Detector is free to download, with in-app purchases available.

### Which has better reviews, Stacks Timer or AI Lie Detector?

AI Lie Detector is rated higher. Stacks Timer averages 4.0 out of 5 from 10 ratings, while AI Lie Detector averages 4.3 from 44 ratings.

### Do Stacks Timer or AI Lie Detector have ads?

Neither Stacks Timer nor AI Lie Detector shows ads.

### Which is updated more often, Stacks Timer or AI Lie Detector?

Stacks Timer ships an update every 11 months, and AI Lie Detector every 5 weeks. Most recently, Stacks Timer was updated on October 15, 2026 and AI Lie Detector on October 24, 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.*