Comparison

SymPlayer vs Slo Mo

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

Head to head
About

SymPlayer

Learn movements by watching videos mirrored, as if looking in a real mirror. Adjust playback speed, loop specific sections, and use guide lines to perfect your technique. Save flipped or rotated videos from your camera roll.

Highlights
  • Mirrored video playback
  • Adjustable playback speed
  • Loop specific video ranges
  • Show/hide guide lines
  • Zoom and fit screen
  • Play from cloud storage
Features
Read full description

Master Professional Moves with Mirrored Playback! This app lets you play videos flipped left-to-right, making it easier to mimic movements without getting confused about direction. Just follow what you see as if looking in a mirror! You can also flip or rotate videos from your camera roll and save them as new files. Perfect for people who: - Need to learn idol group dances for a wedding or performance - Want to copy professional dance moves - Want to study a pro athlete’s form (like pitching) This app is made for anyone who wants to learn by watching and repeating. Give it a try — it’s free! [Features] ■ Adjustable Playback Speed Freely change video speed — slow motion or double speed are both supported. You can also adjust speed in 5-step increments, as requested by users. Perfect for dance practice, form checks, and more. Caution: Due to iOS limitations, available speeds are limited to 0.5, 0.666..., 0.8, 1.0, 1.25, 1.5, and 2.0. SymPlayer’s speed display is approximate and for reference only. ■ Loop Specific Ranges Set custom start and end points to loop only the section you want to repeat. Ideal for practicing tricky parts like guitar fingering or a swing. ■ Show/Hide Guide Lines Display vertical and horizontal guides over the video. Useful for checking positions in formation dances or comparing symmetry. ■ Zoom & Fit Screen Pinch to zoom in/out. Double-tap to fit the video to your screen. Watch movements in detail or full view — your choice. ■ Play from Google Drive & Dropbox Play videos stored in Google Drive or Dropbox. Mark favorites for offline playback (requires ad viewing). You can also play from a shared video URL. Note: Long videos may take time to load. A shared link is required for access. ■ Tag Your Videos Organize your videos with tags. You can assign multiple tags to a single video for better group management. [About in-app purchases] Please read before purchasing in-app purchases. After purchase, no matter what reason, refund can not be canceled. If you purchase, please confirm the above contents and purchase only if agreed. [About purchasing automatic subscription] As with music players, sound will be able to play even in the background. Also, all ads will be removed during the automatic subscription period. When purchasing, please confirm the following "Terms of service" and "Privacy policy" and purchase only if you agree. Terms of service) https://faboll.tattin.com/terms/symplayer/terms.html Privacy policy) https://faboll.tattin.com/terms/symplayer/privacy.html [Duration and amount of automatic subscription] - Extension 1 month ¥100(JPY) - Extension 3 month ¥280(JPY) - Extension 12 months ¥1000(JPY) [About auto-renewable] Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Payment will be charged to iTunes Account at confirmation of purchase. 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. [About the Dance Video] The dance video featured in the App Store preview was graciously provided by SUI Kagura. SUI Kagura — A Super Synchronized Dance Duo with Sincerity to Music — Formed in 2022 by choreographer Upolu and former idol Sayakichi Hanashiro, SUI Kagura is dedicated to their motto: “Sincere to the music.” They create performances that amplify sound and lyrics, shared seamlessly through stage and video. https://www.dignitive.jp/suikagura

About

Slo Mo

Easily transform your videos into captivating slow motion, fast forward, or reverse playback. Select a video, adjust its speed with a simple slider, trim it to perfection, and share your unique creations.

Highlights
  • Speed control for slow motion and fast forward
  • Reverse playback functionality
  • Multi-speed segments for dynamic ramps
  • Trim and edit video clips
  • Share to social media platforms
Features
Read full description

CHANGE THE SPEED OF ANY VIDEO Slo Mo makes it easy to create stunning slow motion, fast forward, and reverse videos. Simply pick a video, slide to adjust the speed, and share your creation. HOW IT WORKS 1. Choose a video from your library or record a new one 2. Slide the dial to set your speed 3. Trim to the perfect length 4. Export and share FEATURES Speed Control Slow down or speed up any video with precision control. Create dramatic slow motion or exciting fast forward effects. Reverse Playback Play any video backwards for fun and creative effects. Multi-Speed Segments With Slo Mo Pro, isolate different parts of your video at different speeds. Create dynamic speed ramp effects in a single clip. Trim & Edit Cut your clips to the perfect length. Remove unwanted sections with ease. Share Anywhere Save to your camera roll or share directly to Instagram, TikTok, YouTube, and more. Subscription terms: Slo Mo offers auto-renewing subscription options. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings in the App Store after purchase. Terms of Use: http://totoventures.com/terms-of-use Privacy Policy: http://totoventures.com/privacy-policy

Screenshots

SymPlayer4 screens
Slo Mo4 screens

Verdict

The call

The clearest difference is rating: SymPlayer at 5.0 against Slo Mo's 3.8. SymPlayer also leads on monetization model (free with in-app purchases vs subscription) and update cadence (every 10 days vs every 4 months). Slo Mo's advantage is ads (none vs shown) and ratings volume (2.9K vs 3). On price, in-app purchases 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. SymPlayer sells 3 in-app purchases, starting at $0.99 per month and Slo Mo sells 7 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

SymPlayer holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Slo Mo has 2.9K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of SymPlayer's written reviews are positive against 69% of Slo Mo's.

UpkeepUpdate frequency

SymPlayer ships an update every 10 days, Slo Mo every 4 months. Both last shipped on November 6, 2026.

Scorecard7 real differences · 3 level
SymPlayer versus Slo Mo: the parameters behind the verdict, then further details
ParameterSymPlayerSlo Mo
PriceFreeFree
Rating5.0 (3 ratings) — better3.8 (2.9K ratings)
Positive reviews91.3% of reviews — better68.6% of reviews
Number of ratings32.9K — better
Update frequencyEvery 10 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 — better
Further details — not scored
Size59 MB21 MB
Age rating4+4+
DeveloperMasakiyo TachikawaToto Ventures Inc.

Customer experience

SymPlayer

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews23 reviews
Positive91.3%
Neutral4.3%
Negative4.3%

Slo Mo

All ratings2,945 ratings
Positive66.0%
Neutral16.6%
Negative17.5%
Written reviews816 reviews
Positive68.6%
Neutral13.4%
Negative18.0%

Bugs and requests

SymPlayer

Not enough reviews yet to summarise bugs or requests.

Slo Mo

Reported bugs

2 issues
  • Videos sometimes save as black screen
  • Slow processing times for longer videos

Requested features

3 requests
  • Add reverse video option
  • Improve video quality after editing
  • Allow partial video speed changes

In-app purchases

3 purchases

SymPlayer

Subscriptions3
  • Extension - 1 month$0.991 Month
  • Extension - 3 months$2.493 Months
  • Extension - 12 months$8.991 Year
7 purchases

Slo Mo

Subscriptions3
  • Unlock All 1 Week Subscription3 Days trial$4.997 Days
  • 1 Month Subscription3 Days trial$8.991 Month
  • Unlock All 1 Year Subscription3 Days trial$39.991 Year
One-time4
  • isolate speed sections$1.99
  • Reverse Video$1.99
  • Speed up your video$1.99
Show 1 more
  • Unlock All$4.99

Questions

Is SymPlayer free?
SymPlayer is free to download, with in-app purchases available.
Is Slo Mo free?
Slo Mo is free to download, with in-app purchases available.
Which has better reviews, SymPlayer or Slo Mo?
SymPlayer is rated higher. SymPlayer averages 5.0 out of 5 from 3 ratings, while Slo Mo averages 3.8 from 2.9K ratings.
Do SymPlayer or Slo Mo have ads?
SymPlayer shows ads; Slo Mo does not.
Which is updated more often, SymPlayer or Slo Mo?
SymPlayer ships an update every 10 days, and Slo Mo every 4 months. Most recently, SymPlayer was updated on November 6, 2026 and Slo Mo on November 6, 2026.

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