Comparison

CiiMS SOS vs Sound

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

Head to head
About

CiiMS SOS

Features
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Mobile app enhancing our Signal Tower brand linking individual security to the package. Dedicated control rooms and assist to you GPS location

About

Sound

Features
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The collected audio is classified in real time and the most highly-estimated classification results are displayed. *Categories are divided into 303 types, such as animal calls, everyday sounds, musical instruments, and sports. [lCategories] speech,shout,yell,battle_cry,children_shouting,screaming,whispering,laughter,baby_laughter,giggling,snicker,belly_laugh,chuckle_chortle,crying_sobbing,baby_crying,sigh,singing,choir_singing,yodeling,rapping,humming,whistling,breathing,snoring,gasp,cough,sneeze,nose_blowing,person_running,person_shuffling,person_walking,chewing,biting,gargling,burp,hiccup,slurp,finger_snapping,clapping,cheering,applause,booing,chatter,crowd,babble,dog,dog_bark,dog_howl,dog_bow_wow,dog_growl,dog_whimper,cat,cat_purr,cat_meow,horse_clip_clop,horse_neigh,cow_moo,pig_oink,sheep_bleat,fowl,chicken,chicken_cluck,rooster_crow,turkey_gobble,duck_quack,goose_honk,lion_roar,bird,bird_vocalization,bird_chirp_tweet,bird_squawk,pigeon_dove_coo,crow_caw,owl_hoot,bird_flapping,insect,cricket_chirp,mosquito_buzz,fly_buzz,bee_buzz,frog,frog_croak,snake_hiss,snake_rattle,whale_vocalization,coyote_howl,elk_bugle,music,plucked_string_instrument,guitar,electric_guitar,bass_guitar,acoustic_guitar,steel_guitar_slide_guitar,guitar_tapping,guitar_strum,banjo,sitar,mandolin,zither,ukulele,keyboard_musical,piano,electric_piano,organ,electronic_organ,hammond_organ,synthesizer,harpsichord,percussion,drum_kit,drum,snare_drum,bass_drum,timpani,tabla,cymbal,hi_hat,tambourine,rattle_instrument,gong,mallet_percussion,marimba_xylophone,glockenspiel,vibraphone,steelpan,orchestra,brass_instrument,french_horn,trumpet,trombone,bowed_string_instrument,violin_fiddle,cello,double_bass,wind_instrument,flute,saxophone,clarinet,oboe,bassoon,harp,bell,church_bell,bicycle_bell,cowbell,tuning_fork,chime,wind_chime,harmonica,accordion,bagpipes,didgeridoo,shofar,theremin,singing_bowl,disc_scratching,wind,wind_rustling_leaves,wind_noise_microphone,thunderstorm,thunder,water,rain,raindrop,stream_burbling,waterfall,ocean,sea_waves,gurgling,fire,fire_crackle,boat_water_vehicle,sailing,rowboat_canoe_kayak,motorboat_speedboat,car_horn,power_windows,vehicle_skidding,car_passing_by,race_car,truck,air_horn,reverse_beeps,bus,emergency_vehicle,police_siren,ambulance_siren,fire_engine_siren,motorcycle,traffic_noise,rail_transport,train,train_whistle,train_horn,railroad_car,train_wheels_squealing,subway_metro,aircraft,helicopter,airplane,bicycle,skateboard,engine,lawn_mower,chainsaw,engine_knocking,engine_starting,engine_idling,engine_accelerating_revving,door,door_bell,door_sliding,door_slam,knock,tap,squeak,drawer_open_close,dishes_pots_pans,cutlery_silverware,chopping_food,frying_food,microwave_oven,blender,water_tap_faucet,sink_filling_washing,bathtub_filling_washing,hair_dryer,toilet_flush,toothbrush,vacuum_cleaner,zipper,keys_jangling,coin_dropping,scissors,electric_shaver,typing,typewriter,typing_computer_keyboard,writing,telephone,telephone_bell_ringing,ringtone,alarm_clock,siren,civil_defense_siren,smoke_detector,foghorn,ratchet_and_pawl,clock,tick,tick_tock,sewing_machine,mechanical_fan,air_conditioner,printer,camera,hammer,saw,power_tool,drill,hedge_trimmer,gunshot_gunfire,artillery_fire,fireworks,firecracker,eruption,boom,chopping_wood,wood_cracking,glass_clink,glass_breaking,liquid_splashing,liquid_sloshing,liquid_squishing,liquid_dripping,liquid_pouring,liquid_trickle_dribble,liquid_filling_container,liquid_spraying,water_pump,boiling,underwater_bubbling,whoosh_swoosh_swish,thump_thud,basketball_bounce,slap_smack,crushing,crumpling_crinkling,tearing,beep,click,bowling_impact,playing_badminton,playing_hockey,playing_squash,playing_table_tennis,playing_tennis,playing_volleyball,rope_skipping,scuba_diving,skiing,silence

Screenshots

CiiMS SOS4 screens
Sound1 screens

Verdict

The call

The clearest difference is ads: CiiMS SOS at none against Sound's shown. Sound's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CiiMS SOS ships an update every 2 months, Sound every 2 weeks. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

Scorecard2 real differences ยท 4 level
CiiMS SOS versus Sound: the parameters behind the verdict, then further details
ParameterCiiMS SOSSound
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.6 โ€” better15.8.3
Further details โ€” not scored
Size111 MB36 MB
Age rating4+4+
DeveloperSOS-ICT (PTY) LTDHideaki Uchikoshi

In-app purchases

None

CiiMS SOS

No in-app purchases

None

Sound

No in-app purchases

Questions

Is CiiMS SOS free?
CiiMS SOS is free to download, with no in-app purchases.
Is Sound free?
Sound is free to download, with no in-app purchases.
Do CiiMS SOS or Sound have ads?
Sound shows ads; CiiMS SOS does not.
Which is updated more often, CiiMS SOS or Sound?
CiiMS SOS ships an update every 2 months, and Sound every 2 weeks. Most recently, CiiMS SOS was updated on October 3, 2026 and Sound on October 2, 2026.

Other comparisons