Comparison

Sola Bible App vs Protos

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

Head to head
About

Sola Bible App

Gain a deeper understanding of scripture with tools for word study, historical context, and interactive maps. Engage with a Bible chat that answers questions directly from the text and access audio versions and multiple translations. Features include offline access and a digital journal for notes.

Highlights
  • Original Greek and Hebrew word meanings
  • Historical context and cultural setting
  • Scripture-based Bible chat
  • Customizable reading plans
  • Audio Bible playback
  • Offline access to content
  • Digital journaling
Features
Read full description

Finally understand what you're reading. Sola puts the original Greek and Hebrew behind every word, the historical context behind every verse, and a Bible chat that answers your questions from Scripture, not opinions. Sola is a Bible study app built for people who want to actually understand the Bible, not just get through it. WHAT YOU GET WORD STUDY Tap any word to see its original Hebrew or Greek meaning and trace it across all of Scripture. Built-in dictionary, lexicon, and concordance. No seminary required. BIBLE CHAT Ask anything. Get answers grounded directly in Scripture, with references you can check yourself. VERSE CONTEXT & COMMENTARY Every passage comes with its historical background, cultural setting, and original audience. Know the "why" behind what you're reading. READING PLANS Plans built around your goals, your pace, and your questions — a few minutes a day. AUDIO BIBLE Listen to any chapter, any time. MULTIPLE TRANSLATIONS Read ESV, ASV, NET, and more. All free. HISTORICAL MAPS & INTERACTIVE TIMELINE See where biblical events happened and when. SMART SEARCH Find any verse, topic, theme, or keyword instantly. DIGITAL JOURNAL Write notes tied directly to specific passages. OFFLINE ACCESS Access downloaded content even when you're offline. Whether you've been studying the Bible for years or opening it for the first time, Sola meets you where you are and helps you go deeper. Join thousands of readers who finally feel like they understand what they're reading. SUBSCRIPTION DETAILS Sola Premium is available as an auto-renewable subscription, offered monthly or annually. Pricing is shown in the app before you confirm and is charged to your Apple ID account. Your subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the current period ends. You can manage or cancel your subscription in your App Store account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://www.solabibleapp.com/terms Privacy Policy: https://www.solabibleapp.com/privacy-policy

About

Protos

This app provides in-depth Bible study with integrated commentary, a dictionary, and guided notes. It aims to offer a clear, contextual understanding of scripture beyond just the text. Features include word study tools and a reading tracker for daily and serious study.

Highlights
  • Verse-by-verse commentary
  • Integrated Bible dictionary
  • Guided note-taking
  • Word study tools
  • Bible reading tracker
  • Sermon notes
Features
Read full description

Understand the Bible better. The Bible can feel confusing. Protos puts the explanation, the history, and the context right next to the verse, so you finally get what you are reading. For anyone who has read a passage and thought "wait, what does this mean?" New to the Bible, coming back to it, or years in and still hitting verses that don't add up. WHAT MAKES PROTOS DIFFERENT Most Bible apps give you the text and stop there. Protos explains it. - Verse-by-verse commentary from Tyndale and JFB, scholars Christians have trusted for over a century. Real explanations, not AI guesses. - A built-in Bible dictionary. Tap any name, place, or word to see what it meant. - Historical and cultural context, so the verse makes sense in its own world. - A short guided study every Monday, Wednesday, and Friday. Reflect with SOAP (Scripture, Observation, Application, Prayer), or go deeper with Analysis: context, key insights, original-language meaning, and related verses. - 74 plain-English guides that explain the big topics in one place. Who Jesus is, what salvation means, what the church is for, how to read the Bible well. No seminary degree required. - 8 guided reading paths for new readers and anyone working through doubt. - The Berean Standard Bible built in, plus KJV, ASV, WEB, NET and more to download free. - Word study tools that make Greek and Hebrew approachable. - Sermon Notes with one-tap verse insertion and auto-save. - Highlights and notes that sync across your devices. - A reading tracker that helps the habit stick. FREE AND PREMIUM Reading the full Bible, your highlights, notes, the daily SOAP study, and the reading tracker are free. Premium unlocks unlimited commentary, the deeper Analysis view, all 74 guides, sermon notes, and unlimited word study. Your own notes and highlights are always yours to read and keep. IF YOU TEACH OR LEAD Leading a small group, teaching Sunday school, or prepping a message? The same commentary, guides, and sermon notes help you prepare with confidence. Scripture first. Context always. Download Protos and experience Bible study that’s clear, contextual, and faithful. SUBSCRIPTION & TERMS Protos offers an optional auto-renewing subscription that unlocks the full experience, including all learning materials, guided notes, progress tracking, and more. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account at confirmation of purchase. You can manage or turn off auto-renewal anytime in your App Store account settings after purchase. Prices may vary by region. Terms of Service: https://protos-app.com/terms Privacy Policy: https://protos-app.com/privacy

Screenshots

Sola Bible App4 screens
Protos4 screens

Verdict

The call

The clearest difference is rating: Sola Bible App at 5.0 against Protos's 4.7. Protos's advantage is ratings volume (120 vs 23). On price, review sentiment, update cadence and ads 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. Sola Bible App sells 4 in-app purchases, starting at $4.99 per 7 days and Protos sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sola Bible App holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Protos has 120 ratings behind it against 23, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Sola Bible App versus Protos: the parameters behind the verdict, then further details
ParameterSola Bible AppProtos
PriceFreeFree
Rating5.0 (23 ratings) — better4.7 (120 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings23120 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size80 MB290 MB
Age rating4+4+
DeveloperSterling ScottFabio Jonathan Arifin

Customer experience

Sola Bible App

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Protos

All ratings117 ratings
Positive94.9%
Neutral3.4%
Negative1.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Sola Bible App

Subscriptions4
  • Sola Premium7 Days trial$4.997 Days
  • Sola Premium7 Days trial$9.991 Month
  • Sola Premium7 Days trial$49.991 Year
Show 1 more
  • Sola Premium3 Days trial$49.991 Year
4 purchases

Protos

Subscriptions4
  • Protos Premium (Weekly)$4.997 Days
  • Protos Premium (Monthly)$6.991 Month
  • Protos Premium (Three Months)$29.993 Months
Show 1 more
  • Protos Premium (Yearly)$59.991 Year

Questions

Is Sola Bible App free?
Sola Bible App is free to download, with in-app purchases available.
Is Protos free?
Protos is free to download, with in-app purchases available.
Which has better reviews, Sola Bible App or Protos?
Sola Bible App is rated higher. Sola Bible App averages 5.0 out of 5 from 23 ratings, while Protos averages 4.7 from 120 ratings.
Do Sola Bible App or Protos have ads?
Neither Sola Bible App nor Protos shows ads.
Which is updated more often, Sola Bible App or Protos?
Sola Bible App ships an update every 3 weeks, and Protos every 3 weeks. Most recently, Sola Bible App was updated on November 4, 2026 and Protos on November 5, 2026.

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