The 4 Best AI Video Generator Apps in 2026
Generating video with artificial intelligence has gone from a blurry experiment to producing clips that hold up in a real post. Two hard limits are still worth knowing before you get carried away: how long each clip can be, and the credits every attempt burns. In this guide we compare the 4 best apps for creating AI videos in 2026.
Apps for generating video with artificial intelligence
AI video generation apps covering text-to-video, animating still photos, effect templates, assisted editing and different credit systems.
Top pick
Kling AI: Generador de Vídeo
Free (with purchases) · 10M+
Best quality
4.7
521K reviews
TopApps analysis
Kling produces the most coherent frame-to-frame motion of the group and can animate a still photo as well as generate from text; it is the best rated.
Kling is one of the most capable AI video generators available on mobile: it creates clips from a text description or animates a still photo, handling motion and frame-to-frame consistency better than most. It is the highest-rated of the group.
Pros
- Among the best results in generated video
- Animates a still photo as well as creating from text
- Good motion consistency between frames
Cons
- The credits run out quickly
- Each generation takes several minutes
- Interface in English only
PixVerse: Vídeo con IA
Free (with purchases) · 50M+
Best for social media
4.5
4.5M reviews
TopApps analysis
PixVerse comes with viral effect templates you apply to one of your photos and get back a clip ready to post, with fast generation.
PixVerse is the most popular of the bunch and the most social-media-minded: viral effect templates you apply to a photo of yourself to get a clip ready to post, plus free-form generation from a text prompt.
Pros
- Ready-made effect templates for social media
- Turns a photo of you into an animated clip
- Fast generation compared with rivals
Cons
- Watermark on the free plan
- Less fine control than Kling
- Aimed squarely at viral effects, not serious video
Last updated: 2026-07-31
Runway
Free (with purchases) · 1M+
The most professional
4.2
4K reviews
TopApps analysis
Runway is the tool studios and creators use, with advanced editing such as erasing moving objects or replacing the background of a video.
Runway is the tool studios and professional creators rely on, and its mobile app opens the door to the same models: generation from text or an image, plus editing tools such as replacing a video's background or erasing moving objects.
Pros
- The same models professionals use
- Advanced editing: erase moving objects
- Generate from text or from an image
Cons
- Very limited free credits
- Expensive subscription
- Small user base on mobile
invideo AI
invideo INC · Free (with purchases) · 5M+
Best for full videos
3.8
137K reviews
TopApps analysis
invideo AI does not generate loose clips but a whole video with script, stock footage, voice-over and subtitles, starting from a single idea.
invideo AI tackles a different problem from the rest: instead of generating loose clips, it assembles a complete video from an idea, with a script, stock footage, voice-over and subtitles. It is built for informative content rather than artistic work.
Pros
- Assembles a complete video, not loose clips
- Generates script, voice-over and subtitles
- Uses licensed stock images and video
Cons
- Middling user rating
- Generic results if you do not edit afterwards
- Watermark and limits on the free plan
Frequently asked questions
How long is an AI-generated video?
Clips generated from scratch usually run between five and ten seconds, and extending them costs extra credits. That is the main limitation of the technology right now: keeping visual coherence beyond a few seconds is still hard. That is why the long AI videos going around are really lots of short clips edited together afterwards.
Can I use what I generate commercially?
It depends on the platform and the plan. Runway and invideo allow commercial use on their paid plans; the free tiers usually come with restrictions on top of a watermark. There is a second, less obvious problem: if the video reproduces a real person's face or a protected character, the tool's licence does not cover you against those rights.
What is the best free app for making AI videos?
Kling and PixVerse hand out daily free credits that refresh, enough for several generations a day. PixVerse is the most generous but adds a watermark. Runway has the tightest free credits because its model is more expensive to run.
Why does it take so long to generate the video?
Because generating video needs far more computing power than an image: every second is dozens of frames that also have to be coherent with each other. The whole process runs on servers, never on your phone, which is why there are queues at peak times. A few minutes per clip is normal.
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