| | Name of ionizer | IonWays Melody | IonWays Athena | Samsung Vesta | EnagicTM SD501 | Life Ionizer 7500 | Tyent 7070 |
| Overall Rating | Overall Rating |      |      |      |      |      |      |
| Price | Suggested Retail | $1695 | $2295 | $2995 | $3980 | $2497 | $2995 |
| Silver State Certified Independent Lab Performance Rating* | pH at highest setting | 10,47 | 10,54 | Not Yet Tested | 9,46 | 10.72 | 9.47 |
| ORP at highest setting | -637.1mv | -812.0 mv | Not Yet Tested | -578.7 mv | -164.7 mv | -740.1 mv |
| Flow Rate | 3 LPM | 3 LPM | 3 LPM | 8 LPM | 1.5 LPM | 1.5 LPM |
| |
| Important things to consider about the manufacturer | Manufacturer | Emco Tech | Emco Tech | EmcoTech/Samsung | EnagicTM | Unknown | Tae Young |
| How long making water ionizers? | 30 years | 30 years | 30 years | 12 years | 5 years | 4 years |
| How long in US | 14 years | 4 years | Released 2012 | 10 years | 3 years | 4 years |
| Manufacturer Assembler? | Manufacturer | Manufacturer | Manufacturer | Manufacturer | Assembler only | Assembler only |
| True R&D Capability? |  |  |  |  |  |  |
| ISO or CE Certification | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE | ISO9001 & 14001 and CE |
| Safety Certifications? |  |  |  |  |  |  |
| Verifiable (can you find them?) | royalwater.com | royalwater.com | royalwater.com | enagic.com | Unknown | Unknown |
| Category Rating | 5 | 5 | 2 | 4 | 2 | 2 |
| |
| Important things to consider about the company you will buying from | How long in Business? | Ionlife 14 years | Ionlife 14 years | Ionlife 14 years | EnagicTM USA 10 years | LifeIonizer LLC 5 year | Tyent USA 4 years |
| Warranty | Limited Lifetime | Limited Lifetime | Limited Lifetime | 5 year parts Parts & Labor | Limited Lifetime | Limited Lifetime |
| Guarantee | 60 day money back 15% restocking fee | 15 day money back 15% restocking fee | 60 day money back 15% restocking fee | 3 day full money back 20% restocking fee | 60 day money back 15% restocking fee | 60 day money back 15% restocking fee |
| Water Expertise? Can they help solve your water issue? | WQA Water expert on staff / full line of specialty filtration | WQA Water expert on staff / full line of specialty filtration | WQA Water expert on staff / full line of specialty filtration | WQA Water expert on staff | Limited Expertise / Full line of specialty filtration | None |
| Customer Support | Full office staff including customer support | Full office staff including customer support | Full office staff including customer support | Full office staff including customer support | Limited / staff size and roles unknown | Limited / staff size and roles unknown |
| Service Center |  Factory trained - Dedicated |  Factory trained - Dedicated |  Factory trained - Dedicated |  Factory trained |  Unknown |  Unknown |
| Headqrters / Warehouse | Reno NV, New Fairfield CT, Edmonton Canada | Reno NV, Vancouver BC | Reno NV, Vancouver BC | Torrance, CA | Encinitas, CA | Blackwood, N.J. |
| Category Rating | 5 | 5 | 5 | 3 | 2 | 1 |
| |
| Electrode Plate Information | Number of Electrode Plates | 5 | 5 | 9 | 7 | 7 | 7 |
| Electrode Plate design | Standard flat Plate | Mesh | Standard flat Plate | Standard flat Plate | Mesh | Mesh |
| Manufacturing process | Electroplating | Electroplating | Electroplating | Electroplating | Dipped | Dipped |
| Plate source | Emco Tech / Japan | Emco Tech / Japan | Emco Tech / Japan | EnagicTM / Japan | Unknown | Unknown / Korea |
| Category Rating | 4 | 5 | 5 | 4,5 | 3 | 3 |
| |
| Ionization features | Mineral Port? | | |  | Saline injection |  | |
| Hot Water Alarm | | |  |  | |  |
| Flow Rate Indicator |  |  |  |  |  |  |
| Can unit regulate flow? | Onboard | Onboard | Onboard | Tap only | Onboard | Tap only |
| Category Rating | 5 | 5 | 5 | 3 | 2 | 1 |
| |
| Cleaning System / frequency / convenience | Cleaning type / frequency | Automatic Post Use / each time used | DARC System / each time used | Pre/Post cleaning | Simple Reverse Polarity / 30 seconds every 15 gals | none, website says to call customer service | RTR (Real Time Refresh) automatic washing of electrolytic tank |
| Eliminates Mineral scaling on plates | Substantially |  |  |  |  |  |
| Do you have to wait while cleaning? | No | No | No | Yes | Yes | Yes |
| Category Rating | 4 | 5 | 5 | 3 | 2 | 2 |
| |
| Installation Options | How many ways can you install it? | 3 options: countertop with diverter from tap; undersink with kit; countertop with direct line | 3 options: countertop with diverter from tap; undersink with kit; countertop with direct line | 2 Options: Countertop and direct line | To tap with diverter only | Countertop | 2 options |
| Category Rating | 5 | 5 | 3 | 1 | 3 | 3 |
| |
| Filtration Features | Filtration Rating (in microns) | .1Micron / .01Micron | Dual filtration - .1Micron / .01Micron | .1M & Sediment | 5 Micron | Dual Filtration - .1Micron | Dual Filtration .1Micron |
| Filtration Media | GAC with Calcium Tourmaline Ceramic | GAC with Calcium Tourmaline Ceramic | GAC with Calcium& Kdf | GAC with Calcium | GAC with Calcium | GAC and ceramic |
| Filter Life indicator | Yes, by counter | Yes, by counter | Yes, by counter | Yes, by timer | Yes, by counter | Yes--display, no counter |
| Replacement cost | $89 / $99 | $89 / $99 | $99 | $120 | $100 | $85 (includes 2 filters) |
| Category Rating | 5 | 5 | 5 | 3 | 3 | 3 |
| |
| Electrical Power | Electrical Supply | Transformer | Transformer | Advanced SMPS | Transformer | SMPS | SMPS |
| Power Consumption | 110w / .5amps | 110w / .5amps | 250w | 230w / 2.5amps | unknown | 85w |
| Category Rating | 5 | 5 | 5 | 5 | 4 | 4 |
| |
| Other features to consider | Number of pH levels | 9 - but infinite control with Flow valve | Adjustable to 48 | Adjustable to 48 | 7 | 9 | 9 |
| Color changing Control Panel? |  |  |  | |  |  |
| PH and ORP Display? | No | No | Yes | No | No | No |
| Category Rating | 5 | 5 | 5 | 4 | 5 | 5 |