Hear is a list, most likely incomplete, of thing that a smart phone can replace.

If you can think of any more, email me and I will add it to the list.

Email Address: geoffreykgreig@gmail.com

No consideration is made as to how well it replaces items on the list.

The apps to perform the below functions can often be obtained by searching on the Google Play store or the Apple store.

1. - Phone
2. - Cordless Phone
3. - Speaker Phone
4. - Picture Phone
5. - Desktop computer
6. - Laptop computer
7. - Fax
8. - Compass
9. - GPS
10. - GPS data sender to other devises
11. - Car Satellite Navigation
12. - FM Radio
13. - 2 way radio
14. - Bluetooth devise
15. - Wifi Hotspot
16. - Wifi finder
17. - Wifi signal strength monitor
18. - Wifi hotspot map locations
19. - File server
20. - Wifi Tetherer
21. - USB Tetherer
22. - USB stick soreage
23. - Micro SD card reader/writer
24. - Web page server
25. - Cloud storage access
26. - Cloud Storage
27. - Gyro
28. - Level
29. - Proximity sensor
30. - Still Camera
31. - Video Camera
32. - Car DashCam
33. - Video Player
34. - Media Center
35. - Light Meter
36. - MP3 Player
37. - Music Player
38. - Music Library
39. - Music Mixer
40. - Music Composer
41. - Sound Amplifier
42. - Musical Instruments
43. - Sound Meter
44. - Sound generator
45. - Sound equalizer
46. - Queuing devise
47. - Security Camera
48. - Remote trigger for camera
49. - Remotely activated camera
50. - Flashlight
51. - Emergency flashing light
52. - Router
53. - Modem
54. - Speakers
55. - Microphone
56. - Sound recorder
57. - Dictaphone
58. - Television
59. - Remote control for Television
60. - Television channel
61. - Movie storage/player
62. - Movie review catalogue
63. - Remote control for Drone
64. - Electronic Drums
65. - Electronic Synthesizer
66. - Electric Guitar
67. - Picture Editor
68. - Video Editor
69. - Internet Browser
70. - Email Devise
71. - Electronic Organizer
72. - Clock
73. - World Clock
74. - Time converter
75. - Watch
76. - Alarm
77. - Stop watch
78. - Countdown timer
79. - Calendar
80. - Diary
81. - Photo copier
82. - Photo Storage
83. - Music Storage
84. - Video Storage
85. - Word-processor
86. - Calculator
87. - Scientific Calculator
88. - Spreadsheet
89. - Powerpoint Presenter
90. - Powerpoint creator
91. - Database manipulator
92. - Map
93. - Map creator
94. - Remote controller of a computer
95. - File manager
96. - Newspaper
97. - Launguage Translator
98. - Typewriter
99. - Voice to text converter
100. - Text to Voice converter
101. - Ruler
102. - Speedo
103. - Odomoter
104. - Position recorder
105. - Distance measurer
106. - Angle Measurer
107. - Car Diagnostics
108. - Car locator
109. - Person Tracker
110. - Electricity Meter
111. - Pulse recorder
112. - Pedometer
113. - Counter
114. - Data recorder
115. - Navigator
116. - Keyboard
117. - Foreign language keyboard
118. - Drawer
119. - Drawing board
120. - Blackboard
121. - Whiteboard
122. - Protractor
123. - Satellite locator
124. - Star Locator
125. - Planet Locator
126. - Remote garage door opener
127. - Remote lock opener
128. - Encryption coder/decoder
129. - Game Console
130. - Chess board
131. - Checkers Board
132. - OCR (Optical Character Recognition)
133. - Lock
134. - Video Store
135. - Magazine store
136. - Book Store
137. - Books
138. - Encyclopedia
139. - Dictionary
140. - Application Store
141. - Library
142. - Library card
143. - Ebook reader
144. - SMS devise
145. - Earth viewer
146. - Checklist
147. - Planer
148. - Credit Cards
149. - Shopping loyality cards
150. - Wallet
151. - Money
152. - Money Storage
153. - Currency
154. - Bitcoin
155. - Phone book
156. - Shopping List
157. - Shopping finder
158. - Shopping catalogue viewer
159. - Price lookup function
160. - Wifi analyzer
161. - Gravity sensor
162. - Movement sensor
163. - Screen recorder
164. - Screen broadcaster
165. - Graphic creator
166. - Scanner
167. - QR code reader
168. - Barcode scanner
169. - Battery monitor
170. - Magnifier
171. - Tide chart
172. - Sunrise/set chart
173. - Moon rise/set chart
174. - Thermometer
175. - Barometer
176. - Hygrometer
177. - Altimeter
178. - Multimeter
179. - TV Guide
180. - Timetable
181. - Taxi finder
182. - Taxi Booker
183. - Urber Booker
184. - Urber vehicle locater
185. - Aircraft finder
186. - Ship finder
187. - Smart Phone track oner
188. - Remote data wiper
189. - Blood pressure scanner
190. - Finger print scanner
191. - Heart rate monitor
192. - Health monitor
193. - Calories counter
194. - Dog whistle
195. - Panic alarm
196. - Bird scarer
197. - Remote switch
198. - Home automation controler
199. - Note taker
200. - Writing paper
201. - Finder of Lost items
202. - Photo
203. - Electronic photo frame
204. - Teacher
205. - Currency
206. - Home automation controller
207. - Artificial Intelligence
208. - Remote Notifier (allow to ring without answering)
209. - Freight tracker
210. - Legal Contact
211. - Text Predictor
212. - Diabetes monitor
213. - View Infrared Light
214. - Heads Up Display
215. - Contribute to Scientific research
216. - Do Not Disturb
217. - Augmented reality Viewer
218. - Virtual reality Viewer
219. - Airline boarding pass
220. - Hearing aid
221. - Hearing tester
222. - Sleep helper (play sounds from YouTube that help you sleep)
223. - Ideas finder
224. - Will
225. - cash register
226. - EFTPOS terminal
227. - Air-conditioning remote
228. - PDF printer/creator
229. - Check in recorder (COVID-19)
230. - Restaurant menu
231. - Weather forecast
232. - Rain position locator