Comparison

Bookil vs CRM Synthesis

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

Head to head
About

Bookil

Features
Read full description

Open any PDF the way you'd read a book. Bookil is a PDF reader for iPhone and iPad built around comfortable reading. Import from Files, Safari, or any share sheet to get started. Reading Pages render cleanly in single or two-page spread. Sepia and night modes, plus contrast and film grain adjustments, let you dial in exactly how it looks. Choose from page curl, slide, crossfade, or continuous scroll for page turns. Flip your device and Bookil switches layouts automatically. Covers and chapter-end pages stay centered, just like a physical book. Zoom Double-tap to zoom in on the exact spot you tapped. Pinch to adjust from there. Double-tap again to reset. Library Group PDFs into named collections. Lock private ones with Face ID or Touch ID. Bookil tracks what you've read, what you haven't, and where you left offβ€”per book. Search, sort, filter, or select multiple books for bulk actions. Reading direction Switch between left-bound and right-bound for manga, technical books, or anything else. Export Export your full library as JSON and import it on any device. Runs on iPhone and iPad.

About

CRM Synthesis

Features
Read full description

CRM Synthesis is a CRM solution designed for the solo sales or support professional: someone who wants serious customer relationship tools without a web-service subscription, advertisements, in-app purchases, upgrade tiers, or vendor lock-in. Both the iOS and macOS versions offer full functionality. No features are held back for a separate β€œpremium” version, and there are no monthly fees. CRM Synthesis will store your data in your own iCloud account, not on any other servers. Your records and preferences will sync across your Apple devices without requiring any hosted CRM service. CRM Synthesis supports robust import and export options, including CSV and hierarchical JSON, so you can back up your data, move it between systems, or leave our product just as easily as you adopted it. CRM Synthesis supports Light Mode and Dark Mode, adjustable font scaling, general accessibility, and personalization. Basic Features CRM Synthesis supports core Customer Relationship Management workflows. You can create Organization records, related Contact records, and History records that track communication with each contact. You can also create Tasks, Opportunities, Cases and Assets. There is an email client, Apple Calendar integration, and support for both managing Notes in folder hierarchies and alternatively developing a Glossary. You can easily switch between these feature sets, and you can hide those you don’t use. Multiple Database Support CRM Synthesis lets you create separate databases for different purposes. You can use different databases for established clients and prospects, different product lines, or unrelated business efforts. Custom Properties You can customize user-defined fields for different record types, to best fit your business.

Screenshots

Bookil4 screens
CRM Synthesis4 screens

Verdict

The call

The clearest difference is price: Bookil at Free against CRM Synthesis's $4.99. Bookil also leads on iOS requirement (18.4 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Bookil is free to download; CRM Synthesis costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Bookil ships an update fortnightly, CRM Synthesis every 10 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

Scorecard2 real differences Β· 4 level
Bookil versus CRM Synthesis: the parameters behind the verdict, then further details
ParameterBookilCRM Synthesis
PriceFree β€” better$4.99
Update frequencyFortnightlyEvery 10 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.4 β€” better26.0
Further details β€” not scored
Size2 MB28 MB
Age rating4+4+
DeveloperLabee LLCOuter Planet Labs LLC

In-app purchases

None

Bookil

No in-app purchases

None

CRM Synthesis

No in-app purchases

Questions

Is Bookil free?
Bookil is free to download, with no in-app purchases.
Is CRM Synthesis free?
CRM Synthesis costs $4.99, with no in-app purchases.
Do Bookil or CRM Synthesis have ads?
Neither Bookil nor CRM Synthesis shows ads.
Which is updated more often, Bookil or CRM Synthesis?
Bookil ships an update fortnightly, and CRM Synthesis every 10 days. Most recently, Bookil was updated on October 17, 2026 and CRM Synthesis on October 11, 2026.

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