The Contour Next One is a Bluetooth-enabled blood glucose meter from Ascensia Diabetes Care known for high accuracy, a large color-coded target range light, and a free companion app. It is one of the most accurate fingerstick meters sold in the U.S., with 95% of results falling within 8.4 mg/dL or 8.4% of laboratory values. It requires a tiny 0.6 microliter blood sample and gives a result in 5 seconds.
What the Contour Next One Does
Like all blood glucose meters, the Contour Next One measures capillary blood glucose from a fingertip sample. What sets it apart is the combination of accuracy, Second-Chance sampling (which lets you add more blood within 60 seconds), a smartLIGHT target-range indicator, and pairing with the free Contour Diabetes app. The meter is used widely for both type 1 and type 2 diabetes, and can also be used by people with prediabetes who need to spot-check fasting glucose.
Accuracy: How It Compares
The FDA requires blood glucose meters to meet ISO 15197:2013 standards — 95% of readings within 15 mg/dL (below 100 mg/dL) or 15% (at or above 100 mg/dL). The Contour Next One performs at roughly half that allowable error.
| Meter | % Within 10 mg/dL or 10% | Sample Size | Test Time |
|---|---|---|---|
| Contour Next One | ~97% | 0.6 µL | 5 seconds |
| Accu-Chek Guide | ~95% | 0.6 µL | 4 seconds |
| OneTouch Verio Reflect | ~92% | 0.4 µL | 5 seconds |
| ReliOn Platinum | ~90% | 0.5 µL | 5 seconds |
Lab comparisons published by Ascensia and independent reviewers consistently place the Contour Next One at or near the top of the accuracy rankings. According to the American Diabetes Association, meter accuracy matters most during suspected hypoglycemia and when adjusting insulin doses.
Setting Up the Meter
The Contour Next One arrives pre-loaded with a CR2032 battery and a basic quickstart guide. First-time setup takes about 3 minutes:
- Press and hold the center (OK) button for 2 seconds to power on.
- Set the time and date using the up and down arrows.
- Choose mg/dL (U.S.) or mmol/L (most other countries) — this usually cannot be changed later.
- Download the Contour Diabetes app and pair via Bluetooth by selecting “Pair Meter” and following the prompts.
- Insert a Contour Next test strip gray-end-first; the meter powers on automatically.
Taking Your First Reading
Wash your hands with warm soap and water, dry thoroughly, and use a fresh lancet. Prick the side of the fingertip (less nerve endings than the pad), squeeze gently to form a droplet, and touch it to the yellow end of the strip. The meter displays the result in 5 seconds and the smartLIGHT shows green (in range), yellow (high), or red (low) based on your personal targets.
Using the Contour Diabetes App
The free Contour Diabetes app for iOS and Android automatically receives readings from the meter via Bluetooth. Key features include:
- Pattern detection: Flags repeated highs or lows at the same time of day.
- Meal and event tagging: Log carbs, insulin, exercise, or illness next to each reading.
- My Patterns reports: 14- or 30-day PDF summaries to share with your clinician.
- Remote sharing: Caregivers can receive notifications for out-of-range readings.
- Reminders: Customizable nudges for fasting, post-meal, or bedtime checks.
The app works alongside, not against, CGM data. If you wear a Dexcom G7 or FreeStyle Libre, the Contour Next One is often used for confirmation checks and calibration scenarios. See our broader guide to diabetes treatment and monitoring for how these tools fit together.
Test Strip Cost and Insurance
Contour Next test strips are the meter’s main ongoing expense. They are sold in boxes of 50 or 100 at most pharmacies and online retailers. Without insurance, a box of 100 typically costs $30-$45; with insurance copays, it can drop below $15. Many manufacturers offer savings cards that cap strip costs at $15-$25 for eligible commercial insurance patients.
Medicare Part B covers Contour Next strips as durable medical equipment when prescribed for diabetes, typically requiring a prescription that documents testing frequency. Mail-order DME suppliers often negotiate lower per-strip rates than retail pharmacies.
Second-Chance Sampling Explained
Second-Chance sampling is the Contour Next One’s signature feature. If your first blood drop is too small, a partial fill icon flashes and you have up to 60 seconds to apply more blood to the same strip — no error code, no wasted strip. Over a year of daily testing, this can save 10-20% of strips, which matters for anyone paying out-of-pocket.
Who Should Consider the Contour Next One
- Insulin users who need accurate dose adjustments, especially at low glucose values.
- People with hand tremor, neuropathy, or low vision who benefit from the smartLIGHT indicator and large display.
- Anyone with gestational diabetes following a strict 4-times-daily testing schedule.
- Prediabetes patients doing occasional fasting or post-meal checks alongside periodic A1C testing.
- Caregivers monitoring a parent or partner remotely through the app.
Limitations and Safety Notes
Fingerstick meters show a single moment in time; they do not reveal overnight trends or post-meal spikes between checks. If you need continuous data, a CGM such as the Dexcom G7 or FreeStyle Libre 3 Plus is a better fit. The Contour Next One is also not approved for use on newborns, arterial samples, or critically ill patients.
Hematocrit extremes (below 20% or above 60%), severe dehydration, and certain interfering substances (high-dose vitamin C, some dialysis solutions with icodextrin) can skew any meter reading. If a result does not match how you feel, repeat the test or call your care team.
The Bottom Line
The Contour Next One is a strong choice for people who want high accuracy, low blood-sample volume, smartphone integration, and forgiveness when blood drops are small. It is especially well-suited to insulin users, pregnant patients with gestational diabetes, and anyone who benefits from a visual in-range indicator. Ongoing strip cost is the main trade-off, but coupons and mail-order DME can bring it down.
Before switching meters, confirm that your insurance formulary covers Contour Next test strips and discuss your monitoring schedule with your clinician. For broader context on glucose targets and interpretation, see our overview of A1C levels.
Sources
- Ascensia Diabetes Care. Contour Next One product information and clinical accuracy summary.
- International Organization for Standardization. ISO 15197:2013 — Blood-glucose monitoring systems.
- American Diabetes Association. Standards of Care in Diabetes 2025 — Glucose Monitoring.
- Centers for Disease Control and Prevention. Monitor Your Blood Sugar.
