Comparison

Straighten Up and Level vs Perimeter PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Straighten Up and Level

This utility app uses your device's camera to help you perfectly align picture frames and other items. It offers a special line mode for clear edge detection and can assist with hanging items at specific angles. Calibration options ensure accurate vertical and horizontal alignment.

Highlights
  • Camera-assisted alignment
  • Line mode for edge detection
  • Specific angle hanging
  • Accelerometer calibration
  • Vertical and horizontal accuracy
Features
Read full description

Straighten up your picture frames and other things from across the room! Guide an assistant to hanging your pictures exactly square using your iOS device's camera. Use the special line mode to detect edges clearly in a cluttered view. If you want something hung at a specific angle, we can help you there too! iOS devices have very accurate accelerometers to measure vertical. Sometimes these sensors drift a bit, but no worries! The app lets you set a calibration factor to get perfect vertical and horizontal.

About

Perimeter PRO

This augmented reality tool allows users to measure outdoor spaces and create professional blueprints. It's ideal for professionals and DIYers needing precise measurements for planning, design, and sharing.

Highlights
  • Measure outdoor spaces with AR
  • Calculate area, perimeter, and volume
  • Generate detailed, editable blueprints
  • Save and organize projects
  • Export and share blueprints as PDF
Read full description

Transform the way you measure outdoor spaces with Perimeter, the ultimate augmented reality tool for professionals and DIY enthusiasts alike. Whether you’re a landscaper, contractor, gardener, or simply planning a home project, Perimeter makes it easy to get precise measurements and create professional blueprints. Key Features: • Measure with AR: Simply walk around any outdoor space and place markers using your device’s camera. Perimeter instantly calculates the area and perimeter with pinpoint accuracy and you can calculate volume too in multiple units by entering your desired thickness. • Generate Detailed Blueprints: Convert your measurements into detailed, editable blueprints. Perfect for planning, design, and presentations. • Save & Organize Projects: Keep all your projects organized in one place. Easily access and update your measurements and blueprints whenever needed. • Export & Share as PDF: Once your blueprint is complete, export it as a high-quality PDF. Annotate, draw, and share with clients, colleagues, or contractors in just a few taps. Who’s it for? • Gardeners & Landscapers: Plan and visualize your outdoor projects with ease. • Contractors & Builders: Get precise measurements for foundations, patios, and more. • DIY Enthusiasts: Take the guesswork out of home improvement projects. • Real Estate Professionals: Accurately measure and present property layouts. Why Choose Perimeter? • Accuracy & Simplicity: Harness the power of augmented reality for precise, real-time measurements. • Professional Output: Create industry-standard blueprints that you can print, share, and present. • Time-Saving: Streamline your workflow, from initial measurement to final presentation. Download Perimeter today and take your outdoor projects to the next level with advanced AR technology.

Screenshots

Straighten Up and Level4 screens
Perimeter PRO4 screens

Verdict

The call

The clearest difference is price: Perimeter PRO at Free against Straighten Up and Level's $0.99. Perimeter PRO also leads on review sentiment (40% vs 0%) and update cadence (every 3 days vs every 42 months). Straighten Up and Level's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Perimeter PRO is free to download; Straighten Up and Level costs $0.99 up front. Perimeter PRO sells 2 one-off in-app purchases. Straighten Up and Level asks for nothing beyond the download.

UpkeepUpdate frequency

Straighten Up and Level ships an update every 42 months, Perimeter PRO every 3 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Straighten Up and Level versus Perimeter PRO: the parameters behind the verdict, then further details
ParameterStraighten Up and LevelPerimeter PRO
Price$0.99Free — better
Rating—3.2 (9 ratings) — better
Positive reviews0.0% of reviews40.0% of reviews — better
Number of ratings—9 — better
Update frequencyEvery 42 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.0 — better
Further details — not scored
Size4 MB7 MB
Age rating4+4+
DeveloperAviametrix, LLCViszt Peter

Customer experience

Straighten Up and Level

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Perimeter PRO

All ratings8 ratings
Positive37.5%
Neutral25.0%
Negative37.5%
Written reviews5 reviews
Positive40.0%
Neutral20.0%
Negative40.0%

In-app purchases

None

Straighten Up and Level

No in-app purchases

2 purchases

Perimeter PRO

One-time2
  • Unlimited exports$4.99
  • PRO version$4.99

Questions

Is Straighten Up and Level free?
Straighten Up and Level costs $0.99, with no in-app purchases.
Is Perimeter PRO free?
Perimeter PRO is free to download, with in-app purchases available.
Do Straighten Up and Level or Perimeter PRO have ads?
Neither Straighten Up and Level nor Perimeter PRO shows ads.
Which is updated more often, Straighten Up and Level or Perimeter PRO?
Straighten Up and Level ships an update every 42 months, and Perimeter PRO every 3 days. Most recently, Straighten Up and Level was updated on October 20, 2026 and Perimeter PRO on October 24, 2026.

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