Comparison

Back Loop vs KLIN

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

Head to head
About

Back Loop

Easily create boomerang-style video loops with adjustable speeds and precise loop selection. You can also reverse entire videos for unique effects. Save and share your creations directly from your device.

Highlights
  • Create boomerang video loops
  • Adjust loop speed
  • Reverse entire videos
  • Accurate loop selection
  • Automatic pitch adjustment
  • Save and share videos
Features
Read full description

Easily add boomerang loops in your videos with no definition loss. Moreover, you can also change the loop speeds to create stunning effects in your videos ! Just pick a video in your camera roll, select the part of your video you want to boomerang loop, adjust eventually the loop speed and loop number, and voila. It’s that simple! You can also reverse the entire video if you want to! Special features: - Accurately select the beginning and end of the loops - Create as many boomerang loops as you want - Adjust the loop speed from 25% to 150% of the original video speed - Automatic pitch adjustment of the audio - Reverse the entire videos - Save your boomerang looped and reversed videos in your camera roll to view and share them, send them by email or export them to other apps installed on your devices If you have any issue with the app, just send us an email at support@seb-appstore.com Check out many other great iPhone and iPad apps at www.SEB-AppStore.com

About

KLIN

Effortlessly remove unwanted noise like wind and background distractions from your videos. This app allows you to boost quiet clips, polish audio with professional tools, and export clean, loud sound quickly. It's ideal for enhancing content for social media platforms.

Highlights
  • Remove wind and background noise
  • Boost video volume
  • Mute video audio
  • Equalizers and audio filters
  • Bass boost, reverb, echo
  • Pitch adjustment
  • Compressor and limiter
Features
Read full description

Bad audio can ruin a great video. KLIN Audio helps you fix it. Remove unwanted noise, boost volume, improve clarity, and transform your sound with professional audio effects - all without compromising your original video quality. Whether you're creating Instagram Reels, TikToks, Stories, or everyday videos, KLIN Audio helps you get cleaner, louder, better-sounding audio while preserving your original video quality. CLEAN & ENHANCE AUDIO * Reduce wind and background noise in voice recordings * Increase, decrease, or mute video volume * Improve clarity with audio filters * Fine-tune your sound with 8- and 16-band equalizers * Boost bass or remove unwanted low frequencies with a high-pass filter AUDIO EFFECTS * Add depth and space with Reverb, Echo, and Stereo Delay * Create wider sound with Stereo Spread * Experiment with Ring Modulation and Pitch effects * Maximize loudness and prevent clipping with a Limiter * Choose from a growing collection of audio presets POWERFUL, EASY-TO-USE EDITOR * Preview audio changes while watching your video * See how effects change your audio waveform * Quickly turn effects on and off to compare results * Edit slow-motion videos at normal or original playback speed * Apply effects individually or combine them to create your own sound HIGH-QUALITY VIDEO EXPORT * Preserve your video's original picture quality, HDR, frame rate, and metadata * Keep video and audio perfectly synchronized * Maintain high-quality audio throughout editing and export * Import videos from Photos or Files, including videos stored in iCloud * Save your edited videos directly to Photos * Share to Instagram, TikTok, and other platforms * No watermark * Works offline From quick volume adjustments to creative sound design, KLIN Audio gives you the tools to make every video sound better. We'd love to hear what you create! Tag #klinaudio or share your before-and-after results with us. Questions or feature requests? Email: drumpads24help+klinaudioios@gmail.com Terms of Service: https://www.drumpads24.com/legal/terms-of-service Privacy Policy: https://www.drumpads24.com/legal/privacy-policy

Screenshots

Back Loop4 screens
KLIN4 screens

Verdict

The call

The clearest difference is price: KLIN at Free against Back Loop's $1.99. KLIN also leads on rating (4.7 vs 1.0) and ratings volume (532 vs 1). Back Loop's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 15.0). On 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

KLIN is free to download; Back Loop costs $1.99 up front. KLIN sells 1 in-app purchase, starting at $3.49 per month. Back Loop asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KLIN holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: KLIN has 532 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Back Loop ships an update every 31 months, KLIN every 8 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Back Loop versus KLIN: the parameters behind the verdict, then further details
ParameterBack LoopKLIN
Price$1.99Free — better
Rating1.0 (1 ratings)4.7 (532 ratings) — better
Positive reviews—37.5% of reviews
Number of ratings1532 — better
Update frequencyEvery 31 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better15.0
Further details — not scored
Size58 MB56 MB
Age rating4+4+
DeveloperSebastien BUETBeat Squad LLC

Customer experience

Back Loop

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

KLIN

All ratings519 ratings
Positive92.7%
Neutral2.9%
Negative4.4%
Written reviews32 reviews
Positive37.5%
Neutral6.3%
Negative56.3%

Bugs and requests

Back Loop

Not enough reviews yet to summarise bugs or requests.

KLIN

Reported bugs

10 issues
  • Cannot save videos
  • App crashes when saving videos
  • Video slows down after editing
  • Videos only play normally for a short duration then slow down
  • App asks to subscribe again after paying
Show 5 more
  • Cannot load asset or generate video
  • Disk full error despite having space
  • Video level becomes much lower after audio enhancement
  • Bluetooth disconnects or switching apps causes no sound
  • Premium features not accessible after payment

Requested features

5 requests
  • Fix inability to save videos
  • Improve customer support response time
  • Allow enhancement of audio recordings, not just videos
  • Fix issue where video details no longer show iPhone model
  • Address the watermark issue on exported videos

In-app purchases

None

Back Loop

No in-app purchases

1 purchases

KLIN

Subscriptions1
  • Video Sound Editor Premium3 Days trial$3.491 Month

Questions

Is Back Loop free?
Back Loop costs $1.99, with no in-app purchases.
Is KLIN free?
KLIN is free to download, with in-app purchases available.
Which has better reviews, Back Loop or KLIN?
KLIN is rated higher. Back Loop averages 1.0 out of 5 from 1 ratings, while KLIN averages 4.7 from 532 ratings.
Do Back Loop or KLIN have ads?
Neither Back Loop nor KLIN shows ads.
Which is updated more often, Back Loop or KLIN?
Back Loop ships an update every 31 months, and KLIN every 8 months. Most recently, Back Loop was updated on November 4, 2026 and KLIN on November 3, 2026.

Other comparisons