PH vs SourceLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PH
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Pattern Snap is a fully offline reasoning studio for structured pattern practice. Observe a pattern briefly, respond without timer stress, explain your thinking, then save one read-only Snap Card. Use 5 focused modes (Mirror Snap, Rule Snap, Next Snap, Odd Snap, Shift Snap), review your card library, and create linked revisions to track how your understanding improves over time.
SourceLens
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SourceLens helps you examine sources through structured cards, claim notes, quote links, comparison views, and case file packets. Write your own analysis, connect related cards, and export organized dossiers for study or review.
Screenshots
Verdict
PH and SourceLens are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | PH | SourceLens |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 33 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoang Pham Huy | Canh Nguyen Xuan |
In-app purchases
PH
No in-app purchases
SourceLens
No in-app purchases
