IQ Elementary vs SourceLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IQ Elementary
This educational app offers IQ training for elementary students through a colorful adventure game. All content is stored locally, enabling offline practice without the need for a backend or login.
- IQ training for kids
- Adventure game style
- Offline practice
- No backend or login
- Local content storage
Read full descriptionHide full description
An IQ-training app designed for elementary school students, featuring a colorful “adventure game” style. All questions, hints, badges, stickers, and quests are stored locally, allowing kids to practice completely offline — no backend or login required.
SourceLens
Read full descriptionHide full description
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
IQ Elementary 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 | IQ Elementary | SourceLens |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 23 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Ngoc Chuong Le | Canh Nguyen Xuan |
In-app purchases
IQ Elementary
No in-app purchases
SourceLens
No in-app purchases






