Comparison

Blood sugar diary App vs Spotter

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Blood sugar diary App

Track your blood sugar levels with an insulin diary, recording glucose readings, insulin units, and comments. Customize event texts, export data as CSV, and view statistics. A subscription unlocks all features and removes ads.

Highlights
  • Record blood sugar and insulin units
  • Customize event texts
  • Export data as CSV
  • View blood glucose statistics
  • Database backup
  • Dark Mode support
Features
Read full description

This is the first version of our blood sugar diary for free in and it already offers you a lot of features. If you have any suggestions for improvement then please let us know first, instead of making a bad review. Features: - With the insulin diary you can record your blood sugar at different times of the day with the insulin units as well as write a comment. - The blood sugar (glucose) can be stored either in mmol/l or mg/dl. - You can customize the texts for the insulin events like "2 hours before lunch" in the settings to your own text. Also you have 6 free fields - Your insulin data can be printed or exported as CSV and you and import the CSV file in Excel - Also you can send the CSV file as email attachment - A statistic of blood glucose data (even after event) can also be displayed. For example whether in the morning or in the evening. - A backup of the database can be saved. - Dark Mode supported Further features and improvements will follow. With a subscription all features of the application will be unlocked: Features like export data as CSV, view statistic, make screenshots etc. Also all advertisements are disabled (if there where any before) The price of subscription varies in different regions. The information on the current price for your region can be found inside the app or on its product page in the App Store Please read below about the auto-renewing subscription nature of this product: Payment will be charged to iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal.Subscriptions may be managed by the user and auto-renewal may be turned off by going to the users Account Settings after purchase.Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Please read our Terms of Use & Conditions before choose a subscription Link : https://aboutpolicies.blogspot.com/2021/01/terms-of-use-conditions-for-insulin.html Privacy Policy : https://aboutpolicies.blogspot.com/2019/11/datenschutz-insulin-tagebuch.html

About

Spotter

This app helps you plan, track, and monitor your gym workouts. Gain insights into your progress with graphs and personal records to achieve your fitness goals. It offers an intuitive iOS-centric design for a seamless user experience.

Highlights
  • Workout planning
  • Exercise tracking (reps, weight)
  • Progress monitoring with graphs
  • Personal records
  • Unlimited custom exercises (PRO)
  • Unlimited workout history (PRO)
Features
Read full description

The gym tracker iOS has been missing. An advanced training tool to help you ensure you’re continuously making progress in the gym. Get deeper insights into how you’re improving your lifts week by week and month by month to help you reach your goals. With an iOS centric design it has the feel and functionality of an app made by Apple themselves! Spotter helps you: - Plan: Create all your workout routines to do when you’re at the gym - Track: When you’re at the gym input all the data related to your exercises, e.g. the number of reps and weight - Monitor & Progress: The app offers graphs and personal records to see how you’re improving in the gym and perhaps where you can make improvements. The app is fully usable without purchase for a limited number of workouts, after which you have to make a one off payment to continue using the app. No subscriptions at all. Features for Spotter PRO: - Unlimited workouts: Keep track of every single workout you do in the gym - Unlimited workout history: Get access to unlimited graph and workout history to see how you’ve progressed - Unlimited custom exercises: Can’t find an exercise you’re looking for? Create your own! - Personal records: Keep track of your achievements through your gym career, e.g. estimated 1 rep max For support contact us at contactus.spotterapp@gmail.com. Log your workouts with Spotter and take your gym experience to the next level.

Screenshots

Blood sugar diary App4 screens
Spotter4 screens

Verdict

The call

The clearest difference is review sentiment: Spotter at 100% against Blood sugar diary App's 50%. Spotter also leads on ads (none vs shown) and update cadence (every 6 days vs monthly). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Blood sugar diary App sells 2 in-app purchases, starting at $0.99 per month and Spotter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Blood sugar diary App ships an update monthly, Spotter every 6 days. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Blood sugar diary App versus Spotter: the parameters behind the verdict, then further details
ParameterBlood sugar diary AppSpotter
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings—5 — better
Update frequencyMonthlyEvery 6 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size18 MB14 MB
Age rating4+4+
DeveloperFrank ZanderTharuka Devendra

Customer experience

Blood sugar diary App

Written reviews8 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Spotter

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Blood sugar diary App

Subscriptions2
  • Monthly Payment$0.991 Month
  • Yearly payment$9.491 Year
1 purchases

Spotter

One-time1
  • Spotter PRO$11.99

Questions

Is Blood sugar diary App free?
Blood sugar diary App is free to download, with in-app purchases available.
Is Spotter free?
Spotter is free to download, with in-app purchases available.
Do Blood sugar diary App or Spotter have ads?
Blood sugar diary App shows ads; Spotter does not.
Which is updated more often, Blood sugar diary App or Spotter?
Blood sugar diary App ships an update monthly, and Spotter every 6 days. Most recently, Blood sugar diary App was updated on October 24, 2026 and Spotter on October 30, 2026.

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