Comparison

Annotium vs Bovlog

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

Head to head
About

Annotium

Easily add annotations, measurements, and explanations to photos and screenshots. Highlight details, censor sensitive information, and export your marked-up images or PDFs for clear visual communication.

Highlights
  • Add arrows, shapes, and text
  • Measure dimensions and angles
  • Blur and pixelate sensitive information
  • Crop and combine images
  • Export as image or PDF
  • Organize annotations into projects
Features
Read full description

Turn any photo into a clear visual explanation with Annotium. Mark up a photo or a screenshot in seconds. Annotate images for site inspections, repairs, lessons, product feedback, instructions, or everyday communication. Point out what matters, add context, and share an image that's easy to understand. ANNOTATE WITH PRECISION • Add arrows, lines, shapes, and text • Highlight details with Spotlight and Loupe • Show dimensions and angles with measurement tools • Draw directly when a quick sketch works best • Snap to 0°, 45°, 90°, or 180° so every line stays straight • Align shapes on an adjustable grid, or start from a blank A4 page PROTECT AND PRESENT • Blur or pixelate private information • Censor a face, a name, a plate, or an address before you send the photo • Use Mosaic for free, and unlock Crystallize, Mezzotint, Pointillize, and Color Halftone with PRO • Erase or crop a freeform area with Lasso Select (PRO) • Crop and combine images to add more context • Organize annotations into editable projects • Export and share the result as an image or PDF TOOLS FOR EVERY DETAIL • Create lines, curves, arrows, rectangles, ovals, rounded rectangles, triangles, parallelograms, polygons, arcs, coordinate shapes, rings, and freehand drawings • Use unlimited vertices in polygons, lines, and curves • Select Multiple shapes to move, copy, or delete them together, and Group them (PRO) to keep them as one • Customize arrowheads, line styles, width, size, color, font, dash pattern, fill, and opacity • Add plain text, comic speech bubbles, pointer text, zigzag bubbles, and thought bubbles • Use hundreds of icons, insert images, and import your own fonts • Zoom and pan with precision and use a finger-following loupe • Work in portrait or landscape with automatic rotation and dark mode • Make collages or stitch multiple photos into a panorama • Add Markdown notes to every project and reopen it anytime • Generate high-resolution images, PDFs with custom templates, or editable project files MADE FOR SCREENSHOTS TOO A screenshot explains a bug, a setting, or a step far better than a paragraph does. Drop an arrow on the button, circle the error, blur the account details, and send it. Annotium keeps the screenshot markup sharp at full resolution, so nothing you point at gets lost when the image is opened on another screen. FROM QUICK MARKUP TO A FINISHED REPORT Start with one arrow. Add measurements, callouts, and notes as the job grows. When the photo set is complete, export every annotated image into a single PDF with your own template, or share the editable project file so a colleague can pick up where you stopped. BUILT FOR REAL WORK Annotium helps contractors, inspectors, technicians, teachers, students, designers, support teams, and anyone who needs to explain something visually. PRO SUBSCRIPTION You can start free with Annotium. An annual PRO subscription unlocks advanced tools and workflows and renews automatically until you cancel. PRO adds advanced shapes and callouts, technical lines, pixel effects, Lasso Select, shape grouping, voice typing with your device's available speech-recognition service, image insertion, the font catalog, notes, collage and stitching, project re-editing, plus PDF and project file export. Take the photo. Mark the detail. Communicate clearly. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://annotium.github.io/legal/privacy

About

Bovlog

Read full description

云相框是一个全新的照片管理和分享应用,帮助您将珍贵的照片时刻保存、管理和展示。通过智能相册功能,您可以轻松浏览和组织您的照片收藏,以便快速找到您想要的照片。云相框还提供自动备份功能,确保您的照片始终安全可靠。不仅如此,智能分类功能可以自动将您的照片按照人物、地点和日期等进行分类,让您更方便地找到特定的照片回忆。而且,您可以轻松地与家人、朋友和社交媒体分享您最喜欢的照片时刻,传递美好和快乐。无论是用于个人使用还是与他人分享,云相框都将成为您照片管理和享受回忆的必备工具。立即下载云相框,开始畅享全新的照片管理和分享体验!

Screenshots

Annotium4 screens
Bovlog4 screens

Verdict

The call

The clearest difference is in-app purchases: Bovlog at none against Annotium's 4. Bovlog also leads on iOS requirement (12.1 vs 15.6). Annotium's advantage is update cadence (every 2 days vs weekly). On price, ads and device support 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

Both are free to download. Annotium sells 4 in-app purchases, starting at $8.99 per year. Bovlog asks for nothing beyond the download.

UpkeepUpdate frequency

Annotium ships an update every 2 days, Bovlog weekly. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 5 level
Annotium versus Bovlog: the parameters behind the verdict, then further details
ParameterAnnotiumBovlog
PriceFreeFree
Positive reviews44.4% of reviews—
Update frequencyEvery 2 days — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.1 — better
Further details — not scored
Size40 MB76 MB
Age rating4+17+
DeveloperHoang LeShenzhen Boshite Technology

In-app purchases

4 purchases

Annotium

Subscriptions2
  • PRO$8.991 Year
  • PRO-A$12.991 Year
One-time2
  • Remove Ads$4.99
  • PREMIUM$99.99
None

Bovlog

No in-app purchases

Questions

Is Annotium free?
Annotium is free to download, with in-app purchases available.
Is Bovlog free?
Bovlog is free to download, with no in-app purchases.
Do Annotium or Bovlog have ads?
Neither Annotium nor Bovlog shows ads.
Which is updated more often, Annotium or Bovlog?
Annotium ships an update every 2 days, and Bovlog weekly. Most recently, Annotium was updated on November 12, 2026 and Bovlog on November 8, 2026.

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