t vs iSage Rx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
t
Explore the features of an insulin pump's touchscreen interface without needing a prescription. This app is ideal for individuals with diabetes, their caregivers, or healthcare professionals to understand pump functionality.
- Explore touchscreen interface
- Demonstrates pump features
- No prescription required
- Educational tool
- Mobile device compatible
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The t:simulator™ App is an easy way to explore the simple touchscreen interface of the t:slim X2™ Insulin Pump from Tandem Diabetes Care, no prescription or insurance verification required! Whether you’re a person living with diabetes, a relative or caregiver, or a healthcare provider, we make it simple to explore the t:slim X2 Pump’s features on your mobile device. THIS APPLICATION IS FOR DEMONSTRATION PURPOSES ONLY. IT SHOULD NOT BE USED FOR THERAPY DECISIONS. Due to the variety of sizes of compatible devices, the t:simulator App may not display the pump at actual size. Actual size is 2” x 3.13”. Please refer to the Technical Specifications in the Resources section of the app for more detailed information.
iSage Rx
This app assists individuals with type 2 diabetes in managing their basal insulin therapy. It helps users track blood sugar levels, receive recommended insulin doses, and adhere to their prescribed treatment plan in collaboration with their healthcare provider.
- Basal insulin titration guidance
- Blood sugar level tracking
- Recommended insulin dosage
- Dose adjustment reminders
- Healthcare provider monitoring
- Type 2 diabetes management
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If you’re taking basal insulin for type 2 diabetes, iSage Rx helps you work together with your healthcare provider to follow your prescribed plan and reach your target blood sugar range. With iSage Rx, you simply enter your blood sugar levels, receive your recommended dose of basal insulin, and develop a routine for better managing your type 2 diabetes. • iSage Rx allows doctors to monitor starting doses and blood sugar levels to make sure the care plan is being followed. • iSage Rx communicates the prescribed basal insulin dose and informs you when it’s time to adjust your dose. • With iSage Rx, you may be able to achieve greater control over your type 2 diabetes. • iSage Rx is not intended to replace the care and management provided by a healthcare professional trained in the management of diabetes. Please consult with your Healthcare Professional if you have any questions.
Screenshots
Verdict
The clearest difference is rating: iSage Rx at 4.8 against t's 3.6. t's advantage is ratings volume (116 vs 15) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iSage Rx holds the better App Store score, 4.8 against 3.6. That said, the two scores are not equally well evidenced: t has 116 ratings behind it against 15, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 13, 2026 and September 22, 2026 respectively.
| Parameter | t | iSage Rx |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (116 ratings) | 4.8 (15 ratings) — better |
| Positive reviews | 42.4% of reviews | — |
| Number of ratings | 116 — better | 15 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 31 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | Tandem Diabetes Care, Inc. | Amalgam Rx, Inc. |
Customer experience
t
iSage Rx
Bugs and requests
t
Reported bugs
13 issues- App won't open once downloaded
- Simulator crashes on launch
- App broken on iOS 12
- Simulator app broken on iOS 12
- Simulator crashes as soon as app is open
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- Simulator not working
- App crashes when opening on iPhone X
- Simulator crashes on iOS 12
- Simulator doesn't work
- App bombs on launch
- Lagging and not working properly
- Doesn't update as often
- US version installed on iPhone, needs German version
Requested features
14 requests- Actual app to control and manage the pump
- App available in Canada/Europe
- Display beep noises for alerts
- Simulate real-world issues like occlusions
- Ability to simulate changing the pump
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- Bolus from the app
- Option to change mmol/l to mg/dl
- Bluetooth control of the pump
- App to upload reports from the pump for iPad
- Integrate with Apple Watch for alerts
- Actual app that sends information to phone
- Simulate confirmation screens and alarms
- More realistic simulation of pump usage
- Display insulin on board information
iSage Rx
Not enough reviews yet to summarise bugs or requests.
In-app purchases
t
No in-app purchases
iSage Rx
No in-app purchases
