# Síntese Proteica vs Stift

The clearest difference is rating: Síntese Proteica at 5.0 against Stift's 4.5. Stift's advantage is update cadence (every 2 weeks vs every 10 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Síntese Proteica holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Síntese Proteica ships an update every 10 months, Stift every 2 weeks. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Síntese Proteica | Stift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sintese-proteica/id464324331/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/stift/id1548578344/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 4 MB | 117 MB |
| Requires iOS | 16.0 | **15.5.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LTE-IB-UNICAMP](https://appshunter.io/developer/421224798) | [STIFT LTDA](https://appshunter.io/developer/1548578616) |

## What reviewers say

### Síntese Proteica

[App page](https://appshunter.io/ios/app/sintese-proteica/id464324331)

Learn about protein synthesis through interactive activities and step-by-step animations. This app guides users through the roles of genes, RNA, and ribosomes in creating polypeptide chains. It's designed for high school and early undergraduate biology courses.

**Highlights:** Interactive tRNA codon matching, Step-by-step animation of protein synthesis, Introduction to key biological molecules, Teacher's guide included, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Stift

[App page](https://appshunter.io/ios/app/stift/id1548578344)

Get academic questions answered by teachers nationwide. Submit queries via text, video, photos, audio, or PDFs for a seamless learning experience. Connects students with educators for instant support.

**Highlights:** Submit questions via text, video, photos, audio, PDF, Receive answers from teachers nationwide, Connects students and educators, Intuitive and natural user experience, Academic support ecosystem

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Síntese Proteica free?

Síntese Proteica is free to download, with no in-app purchases.

### Is Stift free?

Stift is free to download, with no in-app purchases.

### Which has better reviews, Síntese Proteica or Stift?

Síntese Proteica is rated higher. Síntese Proteica averages 5.0 out of 5 from 1 ratings, while Stift averages 4.5 from 2 ratings.

### Do Síntese Proteica or Stift have ads?

Neither Síntese Proteica nor Stift shows ads.

### Which is updated more often, Síntese Proteica or Stift?

Síntese Proteica ships an update every 10 months, and Stift every 2 weeks. Most recently, Síntese Proteica was updated on November 13, 2026 and Stift on November 3, 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.*