A+ Spelling vs CloudLabs Cobalt Cloride Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A+ Spelling
Practice spelling with custom lists or pre-made ones. Resume interrupted tests and focus on missed words. Record your own words and share lists with others.
- Customizable spelling lists
- Predefined word lists
- Resume interrupted tests
- Track missed words
- Record and share custom words
- Share lists with friends
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A+ Spelling provides an easy way to practice weekly spelling lists or brush up using predefined spelling lists. If a test is Interrupted, it can be resumed at a later time. A list of words missed on previous tests is available to help focus on more troublesome words. Record your own words, create word lists and share with friends and classmates. A large selection of pre-recorded words is available for download.
CloudLabs Cobalt Cloride Synth
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This simulation recreates a chemistry lab where you can find a bottle with chloride, a bottle with deionized water, a bottle with hydrochloric acid, a burner, two test tubes, a rack, heating clips, and three 10 ml pipettors. The objective of this practice is to determine which washing method (acid or heat) is more efficient to recover cobalt chloride for desiccators.
Screenshots
Verdict
The clearest difference is price: CloudLabs Cobalt Cloride Synth at Free against A+ Spelling's $0.99. CloudLabs Cobalt Cloride Synth also leads on iOS requirement (9.0 vs 15.0). A+ Spelling's advantage is update cadence (every 6 weeks vs every 28 months). On ads, in-app purchases and device support 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
CloudLabs Cobalt Cloride Synth is free to download; A+ Spelling costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
A+ Spelling ships an update every 6 weeks, CloudLabs Cobalt Cloride Synth every 28 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | A+ Spelling | CloudLabs Cobalt Cloride Synth |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks — better | Every 28 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Joe Blough | Jiovany Orozco |
In-app purchases
A+ Spelling
No in-app purchases
CloudLabs Cobalt Cloride Synth
No in-app purchases
Questions
Is A+ Spelling free?
Is CloudLabs Cobalt Cloride Synth free?
Do A+ Spelling or CloudLabs Cobalt Cloride Synth have ads?
Which is updated more often, A+ Spelling or CloudLabs Cobalt Cloride Synth?
Other comparisons
