· prices checked Oct 17, 2026, 6:34 AM ET
Legacy vs Echo-Sigma
The numbers, side by side: freeze-dried & long-term food, water storage & filters, bug-out bags & kits. Built from the prices we collect every day at Legacy and Echo-Sigma. No opinions, just math.
The short answer
On cost per 2,000-calorie day, the cheapest Echo-Sigma food today is $5.78 a day vs. $12.59 for Legacy. Median: $14.05 (Legacy) vs. $6.33 (Echo-Sigma).
🥫 Freeze-Dried & Long-Term Food
| Freeze-Dried & Long-Term Food | Legacy | Echo-Sigma |
|---|---|---|
| Products tracked | 65 | 17 |
| In stock today | 25 | 17 |
| Lowest in-stock price | $20.99 | $19.99 ✓ |
| Median in-stock price | $330.00 | $114.99 ✓ |
| Brand markdowns today | 0 | 0 |
| Cheapest 2,000-kcal day | $12.59 | $5.78 ✓ |
| Median 2,000-kcal day | $14.05 | $6.33 ✓ |
| Cheapest $ per rated gallon | $0.0645 | $0.0260 ✓ |
| Longest shelf-life claim | 25 yr | 10 yr |
Cheapest Legacy freeze-dried & long-term food
- 120 Serving Breakfast Bucket - 36 lbs: $12.59/day ($330.00)
- Premium 6480 Serving Package - 1662 lbs: $12.74/day ($16,500.00)
- Premium 4320 Serving Package - 1108 lbs: $12.88/day ($11,120.00)
- Premium 2880 Serving Package - 739 lbs: $13.20/day ($7,595.00)
- Premium 2160 Serving Package - 554 lbs: $13.32/day ($5,750.00)
Cheapest Echo-Sigma freeze-dried & long-term food
- Mayday Food Bars 2400 Calorie -Case 24: $5.78/day ($166.50)
- Mayday Food Bar 1200 Calorie -Case 36: $6.87/day ($148.50)
💧 Water Storage & Filters
| Water Storage & Filters | Legacy | Echo-Sigma |
|---|---|---|
| Products tracked | 29 | 5 |
| In stock today | 18 | 5 |
| Lowest in-stock price | $14.99 ✓ | $19.99 |
| Median in-stock price | $170.00 | $34.95 ✓ |
| Brand markdowns today | 0 | 0 |
| Cheapest $ per rated gallon | $0.0645 | $0.0260 ✓ |
| Longest shelf-life claim | 50 yr | – |
Cheapest Legacy water storage & filters
- Replacement 2" Threaded Tank Cap for 30 Gallon Water Prepared Tank: $14.99
- Replacement Bulkhead Fitting for Water Tanks (2 pack): $19.99
- Replacement Food Grade Quarter Turn Ball Valve Spigot: $24.99
- Frontier Pro Ultralight Water Filter - Green Line (GRN-III-50-T): $29.99
- Camco Lead and BPA-Free Drinking Water Hose - 25 Feet: $29.99
Cheapest Echo-Sigma water storage & filters
- 2.5 Liter Hydration Bladder: $19.99
- LifeStraw Peak Series Straw: $25.99
- LifeStraw SIP: $34.95
- Echo-Sigma Hydration Runner Pack: $39.99
- 18oz Yeti Echo-Sigma Rambler Bottle with Chug Cap: $44.99
🎒 Bug-Out Bags & Kits
| Bug-Out Bags & Kits | Legacy | Echo-Sigma |
|---|---|---|
| Products tracked | 10 | 31 |
| In stock today | 3 | 31 |
| Lowest in-stock price | $29.99 | $14.95 ✓ |
| Median in-stock price | $34.99 ✓ | $289.99 |
| Brand markdowns today | 0 | 8 (median 22% off) |
| Cheapest $ per rated gallon | $0.0645 | $0.0260 ✓ |
Cheapest Legacy bug-out bags & kits
- Basic Auto Safety Kit: $29.99
- Emergency Survival Bottle: $34.99
- Premium 2-Person Bug-Out Bag: $299.00
Cheapest Echo-Sigma bug-out bags & kits
- Pocket Organizer Pouch - MOLLE: $14.95
- 1 Person One Day Survival Kit (16 Piece): $32.99
- Echo-Sigma Compact Survival Kit: $49.99
- SOG FastHawk: $54.99
- Echo-Sigma Get Home Pack: $59.99
Price history started Oct 17, 2026; week-over-week changes appear as it builds. Prices checked Oct 17, 2026, 6:34 AM ET at each brand's own store. Tax and shipping not included.
How to read this
A ✓ marks the lower number in a row. Median prices depend on what each brand sells (a brand with many small items looks "cheaper"), so for food the fair comparison is cost per 2,000-calorie day. See methods.
All Legacy prices → All Echo-Sigma prices → More comparisons →
Questions people ask
Which is cheaper, Legacy or Echo-Sigma?
On cost per 2,000-calorie day, the cheapest Echo-Sigma food today is $5.78 a day vs. $12.59 for Legacy. Median: $14.05 (Legacy) vs. $6.33 (Echo-Sigma). Prices change daily, and this page updates with them.
How many Legacy and Echo-Sigma products do you track?
113 from Legacy (53 in stock today) and 98 from Echo-Sigma (98 in stock), checked once a day at each brand's own store.
Is this a quality review?
No. We compare prices and the specs each brand publishes. We don't test products or take money from brands for placement.