| Core Identity |
| Developer | Jatisari Inovasi Studio | ZOOMO Inc. | Aexol Studio | Ca Li Sa | Tue Nguyen Minh | BEGAMOB GLOBAL LIMITED | Infotoo International Limited | LIIP Studio | Orange View | Robust Research And Development Ltd. |
| Category | Utilities | Productivity | Utilities | Utilities | Utilities | Utilities | Lifestyle | Utilities | Utilities | Utilities |
| Platform | iOS | iOS, Android | iOS | iOS | iOS, Android | iOS | iOS, Android | iOS | iOS | iOS |
| Store Metrics |
| Rating | 3.1 / 5 | 4.0 / 5 | 3.4 / 5 | 1.7 / 5 | 4.3 / 5 | 4.6 / 5 | 1.8 / 5 | 4.5 / 5 | 5.0 / 5 | 4.8 / 5 |
| Ratings Count | 1,702 | 1 | 404 | 3 | 35,046 | 3,025 | 12 | 610 | 1 | 5 |
| Price | Free | Free | $2.99 | Free | Free | Free | Free | Free | Free | Free |
| Release Date | Jul 27, 2018 | May 29, 2015 | Sep 9, 2017 | Mar 31, 2018 | Mar 28, 2013 | Jul 29, 2024 | Nov 23, 2012 | Nov 12, 2024 | Mar 22, 2026 | Mar 13, 2026 |
| Last Updated | Dec 12, 2025 | Oct 20, 2024 | Mar 2, 2019 | Apr 2, 2018 | Jan 2, 2026 | Mar 31, 2026 | May 11, 2026 | May 9, 2026 | Apr 29, 2026 | Apr 5, 2026 |
| Sentiment & Reviews |
| Sentiment | mixed | excellent | - | - | negative | - | negative | mixed | - | - |
| Score | 50/100 | 85/100 | - | - | 35/100 | - | 30/100 | 70/100 | - | - |
| Praises | - Ad-free and native experience
| - Simple and functional design provides a reliable tool for everyday measurement tasks
- Ad-free experience and lack of aggressive monetization build strong user trust
| - | - | - Simple and straightforward interface allows for immediate measurement without complex setup or calibration
| - | - | - Automated photo categorization
| - | - |
| Complaints | - Lack of persistent storage
- AR instability
| - Camera activation failures on specific hardware prevent the calibration feature from functioning
- Visual obstruction of the zero mark makes precise initial measurements difficult
| - | - | - Aggressive paywalling of basic measurement units like inches forces users into unwanted subscription models
| - | | - Subscription gating of basic features
| - | - |
| Requests | | - Adjusting the ruler start position to improve visibility of the first measurement
| - | - | - Implementation of a one-time purchase option instead of recurring weekly subscription fees
| - | - | - | - | - |
| Strategic Intel |
| Strengths | - Native iOS system-level integration ensures stability
- Ad-free, zero-cost model sustains brand trust
| - Clean, ad-free utility design sustains high user trust
- Calibration-by-object mechanism provides high-accuracy utility without proprietary hardware
| - | - | - Immediate, no-calibration interface lowers entry friction
- Camera-based measurement expands utility beyond screen limits
- Broad international category presence drives organic discovery
| - | - Proprietary Certi-mark visual recognition mechanism provides a verifiable security layer for brand owners.
| - AI-driven duplicate detection [version: latest]
- iCloud-specific storage management [version: latest]
| - | - On-device processing ensures user privacy
- AI-powered scanning reduces manual search time
|
| Weaknesses | - No persistent measurement history log
- 3.09-star rating indicates core accuracy frustration
| - Camera initialization failures on specific hardware
- Zero-mark label placement obscures initial measurement precision
| - | - | - Weekly subscription gate for basic units
- Inaccurate measurement results vs physical tools
- Intrusive advertising degrades measurement flow
| - | - 1.75-star iOS rating indicates severe platform-specific stability issues.
- High-friction authentication flow causes user churn.
| - Subscription-gated privacy features [pricing: subscription]
- 0.7★ rating gap vs established category leaders [metric: rating]
| - | - Subscription-gated deletion creates high churn risk
- Limited review volume hinders social proof
|
| Pricing | free | freemium | paid | free | freemium | freemium | free | subscription | free | subscription |
| Momentum | Zombie | Maintenance | Zombie | - | Maintenance | Active | Maintenance | Zombie | - | - |
| Update Cadence | 1 versions | 2 versions, ~26d avg | 5 versions | - | 2 versions, 1 majors/6mo, ~90d avg | 5 versions | 2 versions, ~1d avg | 1 versions | - | - |
