# Precision Performance Inst. vs Stelo by Dexcom

The clearest difference is review sentiment: Precision Performance Inst. at 100% against Stelo by Dexcom's 18%. Precision Performance Inst. also leads on rating (5.0 vs 2.5) and iOS requirement (13.0 vs 18.6). Stelo by Dexcom's advantage is update cadence (every 5 weeks vs every 12 months) and ratings volume (619 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Precision Performance Inst. holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Stelo by Dexcom has 619 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Precision Performance Inst.'s written reviews are positive against 18% of Stelo by Dexcom's.

Precision Performance Inst. ships an update every 12 months, Stelo by Dexcom every 5 weeks. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Precision Performance Inst. | Stelo by Dexcom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/precision-performance-inst/id1444768685/reviews)** | [2.5 (619 ratings)](https://appshunter.io/ios/app/stelo-by-dexcom/id6475610406/reviews) |
| Number of ratings | 4 | **619** |
| Positive reviews | **100.0% of reviews** | 18.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#121** |
| Size | 54 MB | 311 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Taylor Lewis](https://appshunter.io/developer/1444768684) | [DexCom, Inc.](https://appshunter.io/developer/457035738) |

## What reviewers say

### Precision Performance Inst.

[App page](https://appshunter.io/ios/app/precision-performance-inst/id1444768685)

Log your workouts, view scheduled sessions, and track your progress. This app helps you maximize your training from anywhere. Get the most out of your fitness journey.

**Highlights:** Log workouts, View scheduled workouts, Track progress, Access from anywhere, Workout analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### Stelo by Dexcom

[App page](https://appshunter.io/ios/app/stelo-by-dexcom/id6475610406)

**Currently charting:** #121 Top Free · Health & Fitness (US App Store)

Easily track your glucose levels 24/7 without fingersticks or a prescription. Gain personalized insights to understand how diet and exercise impact your health. This app empowers you to build healthier habits and take control of your well-being.

**Highlights:** 24/7 glucose tracking, No fingersticks required, Personalized health insights, Diet and exercise personalization, Form healthy habits, No prescription needed

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy sensor setup
- 👍 Intuitive app interface
- 🔍 Helpful for understanding glucose trends
- 💡 Integrates with Apple Health

**What reviewers complain about**

- 🐛 Sensor accuracy issues
- 🔍 Limited data history and analysis
- 🤖 Lack of human customer support
- 🔍 Inability to calibrate sensor
- 🔍 Inconsistent Apple Watch integration

**Reported bugs**

- Sensor session ending prematurely
- Inconsistent data syncing with Apple Health
- App freezing and crashing issues

**Requested features**

- Ability to view and export historical glucose data
- Option to customize glucose target ranges
- Integration with more fitness/nutrition apps
- Improved Apple Watch support with complications
- Enhanced meal and activity tracking features


## Frequently asked questions

### Is Precision Performance Inst. free?

Precision Performance Inst. is free to download, with no in-app purchases.

### Is Stelo by Dexcom free?

Stelo by Dexcom is free to download, with no in-app purchases.

### Which has better reviews, Precision Performance Inst. or Stelo by Dexcom?

Precision Performance Inst. is rated higher. Precision Performance Inst. averages 5.0 out of 5 from 4 ratings, while Stelo by Dexcom averages 2.5 from 619 ratings.

### Do Precision Performance Inst. or Stelo by Dexcom have ads?

Neither Precision Performance Inst. nor Stelo by Dexcom shows ads.

### Which is updated more often, Precision Performance Inst. or Stelo by Dexcom?

Precision Performance Inst. ships an update every 12 months, and Stelo by Dexcom every 5 weeks. Most recently, Precision Performance Inst. was updated on October 1, 2026 and Stelo by Dexcom on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*