Comparison

Scuba Dive Signals vs Currents

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

Head to head
About

Scuba Dive Signals

Access a comprehensive list of underwater hand signals for safe scuba diving communication. Includes a quiz feature to test your knowledge of signals recognized by major training agencies.

Highlights
  • List of recognized dive hand signals
  • Signals from PADI, NAUI, SSI
  • Quiz feature to test knowledge
  • Safety communication focus
  • Creative Commons licensed images
Features
Read full description

Access a handy list of dive signals to safely communicate underwater while scuba diving. This contains a list of hand signals generally recognized by the Recreational Scuba Training Council and its member agencies (PADI, NAUI, SSI, and more). Once you've studied up, you can quiz yourself on what you've learned-- the app will show a series of five dive signal descriptions and give you a choice of four different pictures-- only one will match, so choose wisely! As always, safety is paramount when scuba diving, so be sure you are your diving partners are clear on their meanings before diving. The author of this app does not assume and hereby disclaims any liability to any party for any loss, damage, or injury, including death, caused by errors or omissions, whether such errors or omissions result from negligence, accident, or any other cause. The information in this app is meant to supplement, not replace, proper scuba diving training. Scuba diving poses some inherent risk. Never dive without proper training and certification! The images used in this app are used via the Creative Commons Attribution-Share Alike licenses, and are credited as follows: Creative Commons Attribution-Share Alike 3.0 Unported license (https://creativecommons.org/licenses/by-sa/3.0/deed.en): Original author: Thomei08 Dive hand signal-cold.plain.svg Dive hand signal-look.plain.svg Dive hand signal-tink.plain.svg Dive hand signal-ear.plain.svg Original author: Peter Southwood Dive hand signal OK 1.png Dive hand signal OK 2.png Dive hand signal OK surface 1.png Dive hand signal OK surface 2.png Dive hand signal Stop.png Dive hand signal Turn Around.png Dive hand signal Which Way.png Dive hand signal Boat.png Dive hand signal Buddy up.png Dive hand signal Hold on to each other.png Dive hand signal Lead and follow.png Dive hand signal Level out.png Dive hand signal Slow down.png Dive hand signal Give me air.png Dive hand signal Emergency Out of air.png Dive hand signal Help surface 1.png Dive hand signal Dont know 1.png Dive hand signal Danger there.png Dive hand signal Pressure.png Dive hand signal Bubbles.png Dive hand signal Cut.png Dive hand signal Safety stop.png Dive hand signal Entangled.png Dive hand signal Silt.png Dive hand signal Cramps.png Dive hand signal Reserve.png Dive hand signal Time up.png Dive hand signal Fetch surface 1.png Dive hand signal Turn dive.png Dive hand signal Stuck.png Creative Commons Attribution-Share Alike 4.0 International license (https://creativecommons.org/licenses/by-sa/4.0/deed.en): Original author: Peter Southwood Dive hand signal Ascend to stop.png The licensors do not in any way endorse the author of this app or usage.

About

Currents

Log your dives effortlessly with automatic syncing from popular dive computers or quick manual entry. Discover over 5,000 dive sites and verified shops, and connect with a community for real-time safety alerts and shared experiences. Keep your certifications handy and manage gear maintenance with this comprehensive diving companion.

Highlights
  • Automatic dive computer syncing
  • Quick manual dive logging
  • Dive site and shop discovery
  • Community alerts and sharing
  • Digital certification storage
  • Gear maintenance tracking
Features
Read full description

Effortless Dive Logging for Passionate Divers Designed for divers who go below the surface more than 10 times a year, from weekend quarry dives to deep trips in the Maldives. Log faster, plan smarter, and keep your dive details and training ready wherever you dive. 1. Simplified Dive Logging - Log a dive in under 30 seconds by entering depth, site, and dive partners. - Import dive files in UDDF, Subsurface XML, or FIT format from your dive computer software or other logging apps. - Back up your logs with UDDF export, a universal format supported by most dive-logging software. 2. Reliable Dive Site and Shop Discovery - Explore 10,000+ dive sites. - Find dives by type, entry point, and skill level. 3. Save Your Favorites - Bookmark must-visit sites like Silfra Fissure and the dive shops divers trust, so your next trip takes less time to plan. 4. Real Reviews from Real Divers - Rate sites and dive shops, leave reviews, and read what other divers say, from Cozumel to local favorites. 5. Streamline Your Dive Management - Keep certifications accessible: store your PADI, SSI, or NAUI cards digitally for offline access, even on remote liveaboard trips. - Track your trends: review maximum depth, SAC rate, and dive counts over 1 month, 6 months, 1 year, or all time. - See your stats at a glance: add the No-Fly and Dive Stats widgets to your Home or Lock Screen, no need to open the app. Upgrade to Pro for more - Wireless dive computer sync: Shearwater, ScubaPro, Suunto, and 15+ other dive computers. No cables, no manual typing. Check compatibility at trycurrents.app/compatibility. - Live sync progress: watch dive computer downloads update live on your Lock Screen or Dynamic Island. - Comprehensive dive logs exports: Export in CSV and PDF. - Gear kits and service history: Track each piece of gear, create kits, and get reminders for upcoming servicing. - Dive tools: Nitrox MOD Calculator, Nitrox Best Mix Calculator, Weight Calculator, and Unit Conversion, based on your dive logs and established formulas. Learn more: Terms of Service: https://www.trycurrents.app/terms-of-service Privacy Policy: https://www.trycurrents.app/privacy-policy

Screenshots

Scuba Dive Signals4 screens
Currents4 screens

Verdict

The call

The clearest difference is rating: Scuba Dive Signals at 5.0 against Currents's 4.2. Scuba Dive Signals also leads on in-app purchases (none vs 3) and review sentiment (100% vs 75%). Currents's advantage is update cadence (every 3 days vs every 42 months). On price, ratings volume, 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

Both are free to download. Currents sells 3 in-app purchases, starting at $2.99 per month. Scuba Dive Signals asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Scuba Dive Signals holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 100% of Scuba Dive Signals's written reviews are positive against 75% of Currents's.

UpkeepUpdate frequency

Scuba Dive Signals ships an update every 42 months, Currents every 3 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
Scuba Dive Signals versus Currents: the parameters behind the verdict, then further details
ParameterScuba Dive SignalsCurrents
PriceFreeFree
Rating5.0 (3 ratings) — better4.2 (5 ratings)
Positive reviews100.0% of reviews — better75.0% of reviews
Number of ratings35 — better
Update frequencyEvery 42 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.1
Further details — not scored
Size3 MB210 MB
Age rating4+4+
DeveloperEric HamiterLatisha Besariani Hendra

Customer experience

Scuba Dive Signals

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Currents

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Scuba Dive Signals

No in-app purchases

3 purchases

Currents

Subscriptions2
  • DiverPlus PRO Monthly$2.991 Month
  • DiverPlus PRO Yearly7 Days trial$19.991 Year
One-time1
  • Lifetime Access$29.99

Questions

Is Scuba Dive Signals free?
Scuba Dive Signals is free to download, with no in-app purchases.
Is Currents free?
Currents is free to download, with in-app purchases available.
Which has better reviews, Scuba Dive Signals or Currents?
Scuba Dive Signals is rated higher. Scuba Dive Signals averages 5.0 out of 5 from 3 ratings, while Currents averages 4.2 from 5 ratings.
Do Scuba Dive Signals or Currents have ads?
Neither Scuba Dive Signals nor Currents shows ads.
Which is updated more often, Scuba Dive Signals or Currents?
Scuba Dive Signals ships an update every 42 months, and Currents every 3 days. Most recently, Scuba Dive Signals was updated on October 8, 2026 and Currents on October 24, 2026.

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