Comparison

PostBuilder vs Caption Genius for Social Apps

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

Head to head
About

PostBuilder

Enhance your social media presence with custom fonts and a content planner. Preview your posts and stories before publishing, and schedule content in advance for consistent engagement across platforms. Save drafts and create perfect line breaks for captions and bios.

Highlights
  • Custom fonts for captions and bios
  • Content calendar for scheduling
  • Post and story preview
  • Perfect line break creation
  • Unlimited draft saving
  • Character counting
Read full description

PostBuilder helps you save time and makes it easy for you to post on Instagram consistently. Use custom fonts that work on Instagram, TikTok, Facebook, Twitter, and more. Schedule unlimited future Instagram stories and posts in your PostBuilder content calendar. Stand out from the crowd on Instagram with over 60 custom fonts that you can use in your captions and bio. Preview your posts directly inside PostBuilder before you post to your Instagram feed. ________________________________ ◆ How to create perfect line breaks using PostBuilder ◆ 1. Type your caption with the spaces you want in PostBuilder 2. Tap “Copy Caption” 3. Paste this into your bio or captions on Instagram, TikTok, Facebook, Twitter, or any other social media platform to automatically apply perfectly spaced out line breaks every single time 4. Preview what your captions and posts will look like before you post to Instagram with PostBuilder’s new Content Preview tool 5. Save unlimited drafts (for future posts, stories, hashtag groups, and more) ________________________________ Full List of PostBuilder Features: ● Preview posts and stories before you submit ● Unlimited scheduling for stories and posts ● Make perfect line breaks for your captions, comments, and bio ● NO MORE NOTES APP: Store an unlimited number of drafts ● Use over 60 custom fonts that work across Instagram, TikTok, iMessage, Twitter, LinkedIn, Facebook, and more ● NO INSTAGRAM LOGIN REQUIRED ● Desktop version ● Count characters while you type ________________________________ PostBuilder does NOT require you to connect your Instagram account. ________________________________ Operating since 2019 (Previously as GramSpacer) Featured #1 in the App Store for Paid Social Media ________________________________ PostBuilder is not officially associated with Instagram or Facebook. PostBuilder is an official entity under Andrew Lee Ventures LLC. Connect with us on Instagram and Twitter: @PostBuilderApp Have any questions or recommendations? Feel free to reach out to me at: Andrew@AndrewLee.Ventures Privacy Policy: postbuilderapp.com/privacy Terms of Use: postbuilderapp.com/terms-of-use

About

Caption Genius for Social Apps

Enhance your social media posts with creative captions and stylish fonts. This tool helps you craft engaging content, organize hashtags, and create clean line breaks to boost your online presence and attract more followers.

Highlights
  • Create and save unlimited captions
  • Organize customized hashtag groups
  • Access a library of text fonts and effects
  • Design creative captions with line breaks
  • Export captions to various social apps
Features
Read full description

"Write perfect captions for your social media page using Caption Genius. Create line breaks, save hashtag groups, and spice up your caption with fonts that will make you stand out from the pack. Works great to boost personal and business accounts - get more followers and likes with this indispensable tool! It's frustrating to put awkward symbols instead of creating clean line breaks. It's boring to use the default fonts for your captions. Caption Genius is here to help. Save captions, hashtag groups, and streamline your online social influence. Easily export captions to Twitter, TikTok, Facebook, or any app you wish. Design your own creative captions and let THEM show who you truly are! Caption Genius for Social Apps features: + Create, save and edit your unlimited captions + Customized hashtag groups which allows you to recall all hashtags in the group with one button click + Vast library of beautiful text fonts and effects (bold, italic, underline) + Preview section on some apps for caption DISCLAIMER: This app is not endorsed nor affiliated with Facebook Inc, or any social network platform.""Instagram"" is a term of Facebook, inc." Premium Subscriptions: - Subscribed users have unlimited use of the App and access to all of its Premium features, without ads. - Non-subscribed users can use each Premium feature once a day. - Users can subscribe to three different plans: weekly, monthly, and yearly auto-renewing subscriptions. - Payment will be charged to iTunes account at confirmation of purchase. - Subscription automatically renews unless auto-renew is disabled at least 24 hours before the end of the current period. - Account will be charged for renewal within 24-hour prior to the end of the current period, and identify the cost of renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Terms of Use: http://vulcanlabs.co/terms-of-use/ Privacy Policy: http://vulcanlabs.co/privacy-policy/ Any questions? Contact us: support@vulcanlabs.com

Screenshots

PostBuilder4 screens
Caption Genius for Social Apps4 screens

Verdict

The call

The clearest difference is review sentiment: PostBuilder at 81% against Caption Genius for Social Apps's 20%. PostBuilder also leads on ads (none vs shown) and device support (4 vs 2). Caption Genius for Social Apps's advantage is rating (4.5 vs 4.3). On price, ratings volume, update cadence and in-app purchases 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. PostBuilder sells 9 in-app purchases, starting at $2.99 per 7 days and Caption Genius for Social Apps sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Caption Genius for Social Apps holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 472 and 276 respectively. Written reviews complicate that: 81% of PostBuilder's written reviews are positive against 20% of Caption Genius for Social Apps's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. Both last shipped on September 22, 2026.

Scorecard4 real differences · 6 level
PostBuilder versus Caption Genius for Social Apps: the parameters behind the verdict, then further details
ParameterPostBuilderCaption Genius for Social Apps
PriceFreeFree
Rating4.3 (472 ratings)4.5 (276 ratings) — better
Positive reviews80.7% of reviews — better20.0% of reviews
Number of ratings472 — better276
Update frequencyEvery 4 daysEvery 4 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS13.112.1 — better
Further details — not scored
Size23 MB70 MB
Age rating4+4+
DeveloperAndrew LeeVulcan Labs Company Limited

Customer experience

PostBuilder

All ratings472 ratings
Positive81.1%
Neutral2.1%
Negative16.7%
Written reviews135 reviews
Positive80.7%
Neutral2.2%
Negative17.0%

Caption Genius for Social Apps

All ratings276 ratings
Positive86.6%
Neutral4.0%
Negative9.4%
Written reviews5 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

Bugs and requests

PostBuilder

Reported bugs

3 issues
  • Captions not formatting correctly
  • App crashing or freezing
  • Issues with linking accounts

Requested features

3 requests
  • Add auto-correct or predictive text
  • Allow using device's native keyboard
  • Improve overall stability and reliability

Caption Genius for Social Apps

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

PostBuilder

Subscriptions6
  • PostBuilder Pro - 1 Week3 Days trial$2.997 Days
  • GramSpacer Free Trial14 Days trial$4.991 Month
  • IG Caption Writer App Trial14 Days trial$4.991 Month
Show 3 more
  • PostBuilder Pro (1 Month)3 Days trial$7.991 Month
  • PostBuilder Pro (6 Months)3 Days trial$14.996 Months
  • PostBuilder Pro (Yearly)3 Days trial$34.991 Year
One-time3
  • PostBuilder Free TrialFree
  • IG Caption Writer Free TrialFree
  • Repost for IG Free TrialFree
4 purchases

Caption Genius for Social Apps

Subscriptions3
  • Weekly Premium3 Days trial$4.997 Days
  • Monthly Premium3 Days trial$7.991 Month
  • Monthly Trial3 Days trial$7.991 Month
One-time1
  • Lifetime$12.99

Questions

Is PostBuilder free?
PostBuilder is free to download, with in-app purchases available.
Is Caption Genius for Social Apps free?
Caption Genius for Social Apps is free to download, with in-app purchases available.
Which has better reviews, PostBuilder or Caption Genius for Social Apps?
Caption Genius for Social Apps is rated higher. PostBuilder averages 4.3 out of 5 from 472 ratings, while Caption Genius for Social Apps averages 4.5 from 276 ratings.
Do PostBuilder or Caption Genius for Social Apps have ads?
Caption Genius for Social Apps shows ads; PostBuilder does not.
Which is updated more often, PostBuilder or Caption Genius for Social Apps?
PostBuilder ships an update every 4 days, and Caption Genius for Social Apps every 4 days. Most recently, PostBuilder was updated on September 22, 2026 and Caption Genius for Social Apps on September 22, 2026.

Other comparisons