# zerospike: Diabetes Log — Glucose, insulin & meal log

> Glucose, insulin & meal log (iPhone/iPad app by Muhammed Bozkurt.)

- Source: https://appshunter.io/ios/app/zerospike-diabetes-log/id6778782351 (this page in markdown: same URL + `.md`)
- Developer: [Muhammed Bozkurt](https://appshunter.io/developer/1808955530)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.4 · 64 MB
- Languages: American English, French (France), German (Germany), European Spanish, Turkish
- Released: 2026-06-17
- Data updated: 2026-08-18
- User reviews in markdown: https://appshunter.io/ios/app/zerospike-diabetes-log/id6778782351/reviews.md

## What is zerospike?

zerospike is a private logbook for people living with diabetes. Record glucose, meals and insulin in one place. No account needed; your health records stay on your device.

LOG IN SECONDS
- Record glucose in mg/dL or mmol/L with period tags: fasting, pre-meal, post-meal (2h) and bedtime
- Log insulin doses and meals in a few taps
- Food database of 500+ items with barcode scanning, carb counts, quick add and favorites
- Tap "I started eating" to start a post-meal timer, shown live on your dashboard

REVIEW YOUR HISTORY
- Color-coded journal and a daily chart
- Insights (Pro): time in range, ambulatory glucose profile (AGP), estimated A1C (GMI), plus 30 and 90 day trends and a weekly digest
- Doctor-ready PDF report for any date range you choose
- Meal response: see the 3-hour course after a meal; compare with past attempts of the same food (Pro)

INJECTION SITE ROTATION
- A body map of the injections you have logged
- See the point you have not used for the longest time
- Neutral notes on typical absorption speed by body region

STAY ON ROUTINE
- Post-meal countdown on the iOS Live Activity, plus a home-screen and lock-screen widget that shows your last reading and next reminder
- Apple Watch: last reading and the post-meal timer, with watch-face complications
- Reminders at times you choose

MORE
- Multiple profiles for caregivers and family
- Apple Health (Pro): read your glucose readings into the journal; optionally write what you log back to Health
- Available in Turkish, English, German, Spanish and French

zerospike is a personal tracking logbook. It is not medical advice and not a medical device. Always decide treatment with your healthcare team.

Pro plans: monthly, yearly (7-day free trial) or a one-time lifetime purchase.

Privacy Policy: https://greeneyeapp.com/en/legal/zerospike-privacy
Terms of Use (EULA): https://greeneyeapp.com/en/legal/zerospike-terms

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| zerospike Pro Monthly | $4.99 | per month |
| zerospike Pro Annual | $29.99 | per year |
| zerospike Pro Annual | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| zerospike Pro Lifetime | $79.99 | one-time |



## Version history (last 5 releases)

### 1.6.1 — 2026-08-13

You now pick the time when logging an injection, and insulin type sits above the dose.
Choosing bolus lets you mark it as Before meal or Correction. Basal fills in the amount saved in Settings.
Active insulin is estimated from the insulin you select in Settings.
The injection site map is back: one silhouette, darker where you inject more, tap to zoom.
Fixed the Food tab going blank while scrolling, and screens no longer jump while loading.

### 1.6.0 — 2026-08-10

• Pick the time yourself when logging an injection
• Insulin type now sits above the dose; bolus can be marked Before meal or Correction
• Basal fills in the daily amount from Settings, still editable
• Active insulin now follows the insulin you select in Settings
• Injection site map is back: one silhouette, darker where you inject more, tap to zoom
• Fixed the Food tab going blank while scrolling

### 1.5.1 — 2026-08-03

In this version:
• Food catalog nearly doubled; barcode scans now bring multilingual names and categories
• Redesigned food tab with cleaner, simpler screens
• A new getting-started guide for first-time users
• Injection history grouped by day; the rotation suggestion now skips your last used spot
• Number inputs rebuilt: tap any value to type it
• Optional daily logging reminder
• Apple Health sync now reflects edits and deletions
• Refreshed widgets, Dynamic Island and iPad layouts, plus many fixes

### 1.5.0 — 2026-07-27

- Meal response: the 3-hour course after a meal, with past-attempt comparison (Pro)
- Apple Watch app: last reading and the post-meal timer, with complications
- Write to Apple Health: optionally write the readings you log back to Health
- Visual polish and bug fixes

### 1.4.1 — 2026-07-19

• Edit any entry: glucose, meals, insulin and notes can now be corrected after logging
• Pen inventory stays accurate when an injection is edited
• Permission dialogs now appear in your language
• Small fixes and polish

## Apps similar to zerospike

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Fitness Exercises: Lightweight](https://appshunter.io/ios/app/fitness-exercises-lightweight/id1580231861) | 4.8 (119) | Free | Health & Fitness |
| [SugarStop: Quit sugar tracker](https://appshunter.io/ios/app/sugarstop-quit-sugar-tracker/id6777425752) | 5.0 (1) | Free | Health & Fitness |
| [Staying Fit at 50+](https://appshunter.io/ios/app/staying-fit-at-50-plus/id1659694776) | 1.0 (1) | Free | Health & Fitness |
| [Sağlığım Cepte](https://appshunter.io/ios/app/saglgm-cepte/id1446919166) | 4.0 (15) | Free | Health & Fitness |

## More apps by Muhammed Bozkurt

- [SoulLens: AI Face Analyzer](https://appshunter.io/ios/app/soullens-ai-face-analyzer/id6744700178)
- [Combina](https://appshunter.io/ios/app/combina/id6747253602)
- [zerogram: Pack Weight Tracker](https://appshunter.io/ios/app/zerogram-pack-weight-tracker/id6777978381)
- [zerobrew: Coffee Brew Log](https://appshunter.io/ios/app/zerobrew-coffee-brew-log/id6778383960)
- [Statura: Posture Test & Plan](https://appshunter.io/ios/app/statura-posture-test-and-plan/id6787974562)

All apps by Muhammed Bozkurt: https://appshunter.io/developer/1808955530

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*