I build Sendhour, so read this with that in mind. In November I asked four AI assistants for Genviral alternatives. Three named Fastlane, one named Postiz, one named Buffer, and none named Sendhour. This page sorts the alternatives by the job. Facts come from each tool's own pages. Prices checked November 15, 2026.
What Genviral does well, and who should stay
Genviral calls itself "marketing automation for mobile apps that runs itself". You tell its agent, Vira, about your app, and it makes slideshows, AI UGC videos and App Store creatives and posts them to 10 networks, on a schedule or on its own. Its viral library holds over 12,000 TikTok posts, refreshed daily and ranked by engagement, and any slideshow opens as a template. The studio has 200+ templates and 30+ AI models and makes carousels in bulk, 5 to 200 at once. It has an API, a CLI and an MCP server with 33 tools and 4 permission scopes.
Creator is $29 a month ($290 a year) for 5 accounts, 200 credits and 1 team member, with no autopilot. Professional is $49 for 10 accounts, 3 workspaces, 3 members and 1 autopilot. Business is $99 for 30 accounts with unlimited workspaces and members, and Scale $199 for 100. Business and Scale also include PeekPanda Peek, which shows competitor apps' paid ads, the keywords they rank for and what went viral for them. Signing up is free with no card, but there's no free trial.
Stay with Genviral if you want slideshows made and posted every day without looking at them, or you want AI creators and App Store screenshot designs in the same tool.
Look elsewhere if you want ideas from more than TikTok, you'd rather build posts from real photos than AI, you need more than 10 accounts on a budget (Genviral's step after 10 accounts is $99 for 30), or you only need a scheduler.
What to compare
Marketing an app on short video has three parts: find a format that's already working, make your own version, and post it to every account on a schedule. Genviral does all three. Most alternatives do one or two, so decide which parts you need first. Then count accounts and people together, because several tools cap team members on their lower plans.
Sendhour: find, make and post
Like Genviral, Sendhour does all three steps. Its viral library lists public TikTok posts and YouTube Shorts doing far more views than their account usually gets, grouped by niche, so a post with 60,000 views on an account that normally gets 3,000 ranks above a big account's normal day. You can watch 5 to 80 rival accounts, depending on the plan, and see each one's posts that beat its own usual views. The studio makes your version of a post, as a slideshow built from real photos or a short video cut from real clips with a voiceover, and it can make AI images and short AI videos. It copies the structure and the hook, never the footage. Then it posts to TikTok, YouTube, Instagram, Threads, Bluesky, X and LinkedIn through each network's official API, including TikTok photo carousels.
Autopilot prepares 1 to 3 drafts each morning. Unlike Genviral's, it doesn't post on day one. Once an account's last 10 drafts went out without edits, you can let it post for that account, each post scheduled at least 2 hours ahead with an emailed cancel link. Teammates are unlimited on every plan, with roles, and a client can approve drafts from an approval link without an account. One plan holds one app for each account on it, each with its own brand profile. Each account gets its own App Store and Google Play link for its bio, and with App Store Connect connected, Sendhour shows the store visits and installs Apple counts per account. Agents work through the API, MCP server and CLI, and when Claude or ChatGPT connects you pick read only, drafts only or full posting.
I run about 15 TikTok accounts for my own apps from it, mostly photo slideshows plus some videos.
Price Starter is $29 a month ($23 billed yearly) for 5 accounts and 200 AI credits. Growth is $49 for 15 accounts, Agency $99 for 50 and Scale $199 for 100. See pricing.
Good to know No free trial, but the first payment has a 14-day money-back guarantee. It has no AI creators and doesn't post to Facebook. It posts to 7 networks against Genviral's 10.
Fastlane
Fastlane is an AI marketing platform. Its agent, Senna, learns your brand from a URL or App Store link, makes posts and ads, and launches them. It has a trending library called Radar with 25,000+ videos, 1,000+ AI creators and licensed human UGC, and it posts organically to TikTok, Instagram, YouTube Shorts and LinkedIn. It is the only tool here that launches paid ads on Meta.
Price Starter is $29 a month ($20 yearly) for 1 social account and 1 seat. Growth is $79 ($55 yearly) for 10 accounts per workspace, 3 workspaces and 3 seats. Pro is $199 ($139 yearly) for 500 accounts per workspace. 7-day trial with 50 credits.
Fits Founders who run Meta ads or want AI creators to front their videos.
Postiz
Postiz is an open-source scheduler with a hosted version. It posts to 30+ networks, and every plan has an AI copilot for captions, an API, an MCP server and a CLI. A technical team can host it for free, though you then need your own approved developer app on each network.
Price Standard is $29 a month for 5 channels and no team. Team is $39 for 10 channels, Pro $49 for 30 and Ultimate $99 for 100, each with unlimited team members. Yearly billing saves about 20%, and every plan has a 7-day trial.
Fits Teams who already make their posts and want many accounts for little money (30 for $49, 100 for $99). It has no viral library and no slideshow maker.
Spreadcast
Spreadcast is built for App Store apps. Paste your App Store link and it builds a brand kit from your icon, colors and screenshots, then designs posts with your real screens in an iPhone frame. It checks your listing daily and turns a new version or a ratings milestone into a post, which it can publish on its own or after one tap. Its FAQ lists 11 networks, and it has an MCP server.
Price Free for 1 app, with drafts and 3 downloadable posts but no publishing. Pro is $29 a month for 1 app and 10 accounts, Studio $79 for 5 apps and 50 accounts. A $19 Post Pack covers 10 posts once.
Fits App Store apps that want posts about the app itself. Google Play isn't supported yet, and it has no viral library.
Buffer
Buffer is a simple scheduler priced per channel. It auto-publishes to TikTok business profiles, YouTube Shorts, Instagram and over 10 networks in all, and has an AI Assistant for writing posts, an API, an MCP server and a CLI.
Price Free for 3 channels with 10 scheduled posts each. Essentials is $6 per channel a month for the first 10 ($5 billed yearly), with 1 user. Team, with unlimited members and approvals, is $12 per channel for the first 10. Channels past 10 cost less. 14-day trial on paid plans.
Fits Founders with a few accounts who make posts elsewhere and want a cheap queue.
Comparison table
| Tool | Viral library | Makes posts | Networks | Agent access |
|---|---|---|---|---|
| Sendhour | TikTok and YouTube Shorts, ranked against each account's usual views | Remakes a format with real photos, real clips and AI images and video | 7 | API, MCP (3 permission levels), CLI |
| Genviral | TikTok, 12,000+ posts ranked by engagement | AI slideshows in bulk, AI UGC, App Store screenshots | 10 | API, MCP (4 scopes), CLI |
| Fastlane | 25,000+ trending videos, plus brands' paid ads | AI UGC with 1,000+ AI creators, slideshows, Meta ads | 4 organic, plus Meta ads | API, MCP |
| Postiz | None | AI captions; AI images and videos on monthly quotas, images from $39 | 30+ | API, MCP, CLI |
| Spreadcast | None | Posts from your App Store listing and screenshots | 11 listed | MCP |
| Buffer | None | AI Assistant for writing and repurposing posts | Over 10 | API, MCP, CLI |
Monthly price by number of accounts, billed monthly, for one person:
| Tool | 5 accounts | 10 accounts | 25 accounts | 50 accounts |
|---|---|---|---|---|
| Sendhour | $29 (Starter) | $49 (Growth) | $99 (Agency) | $99 (Agency) |
| Genviral | $29 | $49 | $99 | $199 |
| Fastlane | $79 | $79 | $199 ($79 if split over 3 workspaces) | $199 |
| Postiz | $29 | $39 | $49 | $99 |
| Spreadcast | $29 (1 app) | $29 (1 app) | $79 (up to 5 apps) | $79 (up to 5 apps) |
| Buffer | $30 | $60 | $120 | $195 |
US dollars before tax, from each tool's own pages, checked November 15, 2026. Fastlane's Growth plan allows 10 accounts per workspace. Add people and the order changes: Genviral allows 1 team member on Creator and 3 on Professional, Postiz Standard has no team, Buffer's Team plan costs twice Essentials for the first 10 channels, and Sendhour includes unlimited teammates on every plan.
Solo developer, agency or app team
Solo developer with one app. If you don't know what to post yet, pick a tool with a library: Sendhour or Genviral at $29 for 5 accounts. If your app is on the App Store and you want posts about the app itself, Spreadcast's free plan lets you see its drafts first. If you already make the posts, Buffer is free for 3 accounts.
Agency or studio with many client apps. Count accounts, apps and people together. Genviral Business gives unlimited workspaces and members with 30 accounts for $99. Sendhour's Agency plan is 50 accounts for $99, one app per account, with unlimited teammates and client approval links. Spreadcast Studio covers 5 App Store apps on 50 accounts for $79 with 3 seats. If you only need scheduling, Postiz gives 30 accounts for $49 and 100 for $99.
App team running ads. Fastlane, because nothing else here launches Meta ads.
Where Genviral is still better
- Posting on its own from day one. Its autopilot makes and schedules up to 3 slideshows a day from the start, on Professional and up. Sendhour's posts only after an account's drafts earn it.
- AI formats. Bulk carousels, AI creators, product photos and App Store screenshot designs.
- Networks. 10, against Sendhour's 7.
- Competitor app research. On Business and Scale, competitor apps' ads and keywords as well as their viral posts.
If those matter most, stay with Genviral.
A mistake to avoid: don't switch tools for a bigger account limit before one account has a format that works. Post for a week on one or two accounts, keep what gets views, then add accounts.
Questions
Is there a free Genviral alternative?
Buffer's free plan covers 3 channels with 10 scheduled posts each, but it only schedules. Spreadcast has a free plan for one App Store app that drafts posts from your listing, and publishing needs a paid plan or a one-off pack. Genviral, Fastlane, Postiz's hosted version and Sendhour are paid. Fastlane and Postiz have 7-day trials, and Sendhour's first payment has a 14-day money-back guarantee.
Which Genviral alternative is cheapest for 25 TikTok accounts?
Postiz, at $49 a month for 30 channels, though it only schedules. Spreadcast Studio and Fastlane Growth are $79 if the accounts fit their limits (5 App Store apps; 3 workspaces of 10). Sendhour and Genviral are both $99 (50 accounts against 30), and Buffer Essentials is $120.
Which alternative has a viral library like Genviral's?
Sendhour and Fastlane. Sendhour's library covers TikTok and YouTube Shorts and ranks posts by how far they beat their own account's usual views. Fastlane's Radar holds 25,000+ trending videos and brands' paid content. Postiz, Spreadcast and Buffer have no viral library.
Can an AI agent run these tools?
All six have an MCP server. Genviral, Sendhour, Postiz and Buffer also have a command line tool. Genviral and Sendhour let you pick a permission level when an agent connects, so it can draft without publishing; in Sendhour the levels are read only, drafts only and full posting. Fastlane's sign-in connector only reads and drafts, and Spreadcast's MCP server only drafts on its free plan.